Overall Green alert Tropical Cyclone for SANVU-23
Off-shore

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

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Original Message :

WTKO20 RKSL 221800
KMA TROPICAL CYCLONE ADVISORY NO. 11
NAME TD DOWNGRADED FROM 2301 SANVU
ANALYSIS
POSITION 221800UTC 10.5N 154.2E
MOVEMENT WNW 6KT
PRES/VMAX 1004HPA 29KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTKO20 RKSL 221200
KMA TROPICAL CYCLONE ADVISORY NO. 10
NAME 2301 SANVU
ANALYSIS
POSITION 221200UTC 10.3N 154.8E
MOVEMENT W 6KT
PRES/VMAX 1002HPA 33KT
FORECAST
12HR
POSITION 230000UTC 10.9N 153.7E WITHIN 25NM
PRES/VMAX 1004HPA 29KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 221200
RSMC TROPICAL CYCLONE ADVISORY
NAME TD DOWNGRADED FROM TS 2301 SANVU (2301)
ANALYSIS
PSTN 221200UTC 10N 155E
MOVE W SLOWLY
PRES 1004HPA =

>

Original Message :

WTPQ50 RJTD 220900
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 220900UTC 10.1N 155.2E FAIR
MOVE W SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 150NM NORTHEAST 90NM SOUTHWEST
FORECAST
24HF 230900UTC 11.6N 152.8E 65NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPQ30 RJTD 220600
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO.13 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10.1N, 155.5E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 1002HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 35KNOTS. THE SYSTEM IS
IN AN UNFAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE
OF DRY AIR AND INCREASED VWS. THIS HAS CAUSED THE SYSTEM TO WEAKEN
OVER THE LAST SIX HOURS. INFORMATION ON THE CURRENT INTENSITY IS
BASED ON DVORAK INTENSITY ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS MOVING SLOWLY WESTWARD ALONG THE SOUTHERN PERIPHERY
OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE
SEPARATION OF ACTIVE CONVECTIVE CLOUD CLUSTERS FROM THE CSC. WATER
VAPOR IMAGERY SHOWS DRY AIR AROUND THE SYSTEM. GPM/GMI 89 GHZ
MICROWAVE IMAGERY SHOWS THE SYSTEM HAS ACTIVE CONVECTIVE CLOUD
CLUSTERS AROUND THE CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT24. THE TRACK FORECAST IS
BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK
FORECAST CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG
NWP MODEL OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL WEAKEN UNTIL FT24 DUE TO THE INFLUENCE OF
INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL WEAKEN
TO TD INTENSITY BY FT24. THE INTENSITY FORECAST IS BASED ON A
CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 220600
KMA TROPICAL CYCLONE ADVISORY NO. 9
NAME 2301 SANVU
ANALYSIS
POSITION 220600UTC 10.3N 155.3E
MOVEMENT WNW 3KT
PRES/VMAX 1000HPA 35KT
FORECAST
12HR
POSITION 221800UTC 11.0N 154.5E WITHIN 25NM
PRES/VMAX 1004HPA 29KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 220600
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 220600UTC 10.1N 155.5E FAIR
MOVE W SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 150NM NORTHEAST 90NM SOUTHWEST
FORECAST
24HF 230600UTC 11.6N 153.0E 65NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 220600
WARNING 220600.
WARNING VALID 230600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 1002 HPA
AT 10.1N 155.5E MARSHALLS MOVING WEST SLOWLY.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTHEAST SEMICIRCLE AND 90
MILES ELSEWHERE.
FORECAST POSITION FOR 230600UTC AT 11.6N 153.0E WITH 65 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 220300
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 220300UTC 10.1N 155.8E FAIR
MOVE ALMOST STATIONARY
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 150NM NORTHEAST 90NM SOUTHWEST
FORECAST
24HF 230300UTC 11.6N 153.1E 65NM 70%
MOVE WNW 08KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 240000UTC 11.9N 150.4E 120NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN31 PGTW 220300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 01W (SANVU) WARNING NR 011//
RMKS/
1. TROPICAL DEPRESSION 01W (SANVU) WARNING NR 011
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
220000Z --- NEAR 10.1N 154.0E
MOVEMENT PAST SIX HOURS - 265 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
REPEAT POSIT: 10.1N 154.0E
---
FORECASTS:
12 HRS, VALID AT:
221200Z --- 10.4N 153.0E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 24 HR POSIT: 285 DEG/ 06 KTS
---
24 HRS, VALID AT:
230000Z --- 10.7N 151.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
220300Z POSITION NEAR 10.2N 153.7E.
22APR23. TROPICAL DEPRESSION (TD) 01W (SANVU), LOCATED APPROXIMATELY
576 NM EAST-SOUTHEAST OF ANDERSEN AFB, HAS TRACKED WESTWARD AT 08
KNOTS OVER THE PAST SIX HOURS. TD 01W HAS DE-COUPLED FROM THE AREA
OF DEEP CONVECTION OVER THE EASTERN PERIPHERY AND HAS RAPIDLY
WEAKENED. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS LOW-LEVEL
CLOUD LINES WRAPPING AROUND A BROAD, WEAK LOW-LEVEL CIRCULATION
CENTER (LLCC) BUT REVEALS NO CLOSED LLCC. DEEP CONVECTION OVER THE
EASTERN PERIPHERY HAS PERSISTED DUE TO STRONG SOUTHERLY CONVERGENCE
BUT HAS DWINDLED OVER THE PAST SIX HOURS. A 212340Z ASCAT-C BULLSEYE
SHOWS A BROAD CENTER WITH 10-15 KNOT WINDS AND ISOLATED 25 KNOT WINDS
TO THE NORTHEAST. AN EARLIER ASCAT-B IMAGE INDICATED A PATCH OF 25-30
KNOT WINDS DISPLACED OVER 120NM TO THE EAST UNDER THE DEEP CONVECTION.
IN GENERAL, SATELLITE IMAGERY AND ASCAT DATA SUPPORT THE SIGNIFICANT
DECREASE IN THE INITIAL INTENSITY TO 25 KNOTS. THE POOR, RAGGED
STRUCTURE OF THE LLCC SUPPORTS THE DECISION TO FINAL WARN THE SYSTEM.
TD 01W IS EXPECTED TO TRACK WESTWARD TO WEST-NORTHWESTWARD OVER THE
NEXT 24 HOURS WITH DISSIPATION OCCURRING IN THE NEXT 12 HOURS. DUE
TO THE MARGINAL ENVIRONMENT SPECIFICALLY THE HIGH MID-LEVEL VERTICAL
WIND SHEAR AND DRY AIR ENTRAINMENT, TD 01W IS UNLIKELY TO REGENERATE.
THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON
WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR
SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 220000Z
IS 15 FEET.//
BT
#0001
NNNN

>

Original Message :

WTPQ30 RJTD 220000
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO.12 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10.1N, 155.8E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 1000HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 40KNOTS. THE SYSTEM IS
IN AN UNFAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE
OF DRY AIR AND INCREASED VWS. THIS HAS CAUSED THE SYSTEM TO WEAKEN
OVER THE LAST SIX HOURS. INFORMATION ON THE CURRENT INTENSITY IS
BASED ON DVORAK INTENSITY ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS ALMOST STATIONARY ALONG THE SOUTHERN PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE SEPARATION OF
ACTIVE CONVECTIVE CLOUD CLUSTERS FROM THE CSC. WATER VAPOR IMAGERY
SHOWS DRY AIR AROUND THE SYSTEM.
3.TRACK FORECAST
THE SYSTEM WILL MOVE WESTWARD ALONG THE PERIPHERY OF A MID-LEVEL
SUB-TROPICAL HIGH UNTIL FT48. THE TRACK FORECAST IS BASED ON GSM
PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK FORECAST
CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG NWP MODEL
OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL WEAKEN UNTIL FT48 DUE TO THE INFLUENCE OF
INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL WEAKEN
TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON A
CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 220000
KMA TROPICAL CYCLONE ADVISORY NO. 8
NAME 2301 SANVU
ANALYSIS
POSITION 220000UTC 10.2N 155.4E
MOVEMENT WNW 3KT
PRES/VMAX 998HPA 37KT
FORECAST
12HR
POSITION 221200UTC 11.1N 154.5E WITHIN 25NM
PRES/VMAX 1000HPA 33KT
24HR
POSITION 230000UTC 11.4N 153.2E WITHIN 55NM
PRES/VMAX 1004HPA 25KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 220000
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 220000UTC 10.1N 155.8E FAIR
MOVE ALMOST STATIONARY
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
24HF 230000UTC 11.5N 153.3E 65NM 70%
MOVE WNW 07KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 240000UTC 11.9N 150.4E 120NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 220000
WARNING 220000.
WARNING VALID 230000.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 1000 HPA
AT 10.1N 155.8E MARSHALLS ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 230000UTC AT 11.5N 153.3E WITH 65 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 240000UTC AT 11.9N 150.4E WITH 120 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 212100
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 212100UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 220900UTC 10.8N 154.9E 45NM 70%
MOVE NW 06KT
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 222100UTC 11.5N 153.4E 65NM 70%
MOVE WNW 08KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 231800UTC 11.6N 151.1E 120NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 212100
WARNING ATCG MIL 01W NWP 230421192823
2023042118 01W SANVU 010 01 285 04 SATL 060
T000 103N 1553E 040 R034 045 NE QD 055 SE QD 045 SW QD 035 NW QD
T012 107N 1545E 040 R034 040 NE QD 030 SE QD 010 SW QD 020 NW QD
T024 111N 1535E 035 R034 030 NE QD 020 SE QD 000 SW QD 020 NW QD
T036 114N 1525E 030
T048 117N 1513E 030
T072 123N 1487E 025
T096 127N 1452E 020
AMP
048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 010
1. TROPICAL STORM 01W (SANVU) WARNING NR 010
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
211800Z --- NEAR 10.3N 155.3E
MOVEMENT PAST SIX HOURS - 285 DEGREES AT 04 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.3N 155.3E
---
FORECASTS:
12 HRS, VALID AT:
220600Z --- 10.7N 154.5E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
221800Z --- 11.1N 153.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 285 DEG/ 05 KTS
---
36 HRS, VALID AT:
230600Z --- 11.4N 152.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 285 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
231800Z --- 11.7N 151.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 72 HR POSIT: 285 DEG/ 07 KTS
---
72 HRS, VALID AT:
241800Z --- 12.3N 148.7E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 275 DEG/ 09 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
251800Z --- 12.7N 145.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
212100Z POSITION NEAR 10.4N 155.1E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 643 NM
EAST-SOUTHEAST OF ANDERSEN AFB, HAS TRACKED WEST-NORTHWESTWARD AT
04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 211800Z IS 16 FEET. NEXT WARNINGS AT 220300Z, 220900Z, 221500Z
AND 222100Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1574E 40
0123042012 93N1566E 40
0123042018 97N1564E 45
0123042100 99N1563E 45
0123042106 100N1561E 45
0123042112 102N1557E 40
0123042118 103N1553E 40
NNNN

>

Original Message :

WTPN31 PGTW 212100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 010
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
211800Z --- NEAR 10.3N 155.3E
MOVEMENT PAST SIX HOURS - 285 DEGREES AT 04 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.3N 155.3E
---
FORECASTS:
12 HRS, VALID AT:
220600Z --- 10.7N 154.5E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
221800Z --- 11.1N 153.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 285 DEG/ 05 KTS
---
36 HRS, VALID AT:
230600Z --- 11.4N 152.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 285 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
231800Z --- 11.7N 151.3E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 72 HR POSIT: 285 DEG/ 07 KTS
---
72 HRS, VALID AT:
241800Z --- 12.3N 148.7E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 275 DEG/ 09 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
251800Z --- 12.7N 145.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
212100Z POSITION NEAR 10.4N 155.1E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 643 NM
EAST-SOUTHEAST OF ANDERSEN AFB, HAS TRACKED WEST-NORTHWESTWARD AT
04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 211800Z IS 16 FEET. NEXT WARNINGS AT 220300Z, 220900Z, 221500Z
AND 222100Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 211800
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO.11 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10.1N, 155.9E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 998HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 45KNOTS. THE SYSTEM IS
IN A NEUTRAL ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS AND DRY AIR. THIS HAS CAUSED THE SYSTEM TO MAINTAIN ITS
INTENSITY OVER THE LAST SIX HOURS. INFORMATION ON THE CURRENT
INTENSITY IS BASED ON DVORAK INTENSITY ANALYSES AND SURFACE
OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS ALMOST STATIONARY ALONG THE SOUTHERN PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE SYSTEM HAS A
BAND WITH A CURVATURE SUGGESTING THE CSC. ANIMATED MSI SHOWS GOOD
CLOUD CHARACTERISTICS OF ANTICYCLONIC OUTFLOW. WATER VAPOR IMAGERY
SHOWS DRY AIR IN THE DIRECTION OF THE MOVEMENT. GCOM-W/AMSR2 89
GHZ MICROWAVE IMAGERY SHOWS THE SYSTEM HAS A BAND WITH CURVATURE
INDICATING THE CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE SLOWLY NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT12. THE SYSTEM WILL THEN
GRADUALLY TURN TO THE WEST ALONG THE PERIPHERY OF A MID-LEVEL
SUB-TROPICAL HIGH UNTIL FT48. THE TRACK FORECAST IS BASED ON GSM
PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK FORECAST
CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG NWP MODEL
OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL GRADUALLY WEAKEN UNTIL FT48 DUE TO THE INFLUENCE
OF INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL
WEAKEN TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON
A CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 211800
KMA TROPICAL CYCLONE ADVISORY NO. 7
NAME 2301 SANVU
ANALYSIS
POSITION 211800UTC 10.2N 155.9E
MOVEMENT N 1KT
PRES/VMAX 996HPA 39KT
FORECAST
12HR
POSITION 220600UTC 10.8N 155.1E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 221800UTC 11.3N 153.9E WITHIN 55NM
PRES/VMAX 1002HPA 33KT
36HR
POSITION 230600UTC 11.5N 152.6E WITHIN 70NM
PRES/VMAX 1006HPA 25KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 211800
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 211800UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 220600UTC 10.7N 155.1E 45NM 70%
MOVE NW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 221800UTC 11.5N 153.6E 65NM 70%
MOVE WNW 08KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 231800UTC 11.6N 151.1E 120NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 211800
WARNING 211800.
WARNING VALID 221800.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 998 HPA
AT 10.1N 155.9E MARSHALLS ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 45 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 220600UTC AT 10.7N 155.1E WITH 45 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
FORECAST POSITION FOR 221800UTC AT 11.5N 153.6E WITH 65 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 231800UTC AT 11.6N 151.1E WITH 120 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 211500
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 211500UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 220300UTC 11.1N 155.0E 40NM 70%
MOVE NW 07KT
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 221500UTC 11.4N 153.8E 57NM 70%
MOVE W 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 231200UTC 11.6N 151.9E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 211500
WARNING ATCG MIL 01W NWP 230421130541
2023042112 01W SANVU 009 01 340 03 SATL SYNP 045
T000 104N 1561E 045 R034 040 NE QD 040 SE QD 035 SW QD 040 NW QD
T012 108N 1554E 040 R034 030 NE QD 040 SE QD 010 SW QD 030 NW QD
T024 112N 1544E 035 R034 030 NE QD 020 SE QD 020 SW QD 020 NW QD
T036 116N 1535E 030
T048 118N 1524E 030
T072 124N 1499E 025
T096 131N 1469E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 009
1. TROPICAL STORM 01W (SANVU) WARNING NR 009
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
211200Z --- NEAR 10.4N 156.1E
MOVEMENT PAST SIX HOURS - 340 DEGREES AT 03 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.4N 156.1E
---
FORECASTS:
12 HRS, VALID AT:
220000Z --- 10.8N 155.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
221200Z --- 11.2N 154.4E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 05 KTS
---
36 HRS, VALID AT:
230000Z --- 11.6N 153.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 280 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
231200Z --- 11.8N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
241200Z --- 12.4N 149.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 08 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
251200Z --- 13.1N 146.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
211500Z POSITION NEAR 10.5N 155.9E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 244 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTH-NORTHWESTWARD AT 03
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211200Z IS 16 FEET. NEXT
WARNINGS AT 212100Z, 220300Z, 220900Z AND 221500Z.
//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1574E 40
0123042012 93N1566E 40
0123042018 97N1564E 45
0123042100 99N1563E 45
0123042106 101N1562E 45
0123042112 104N1561E 45

>

Original Message :

WTPN31 PGTW 211500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (SANVU) WARNING NR 009//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 009
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
211200Z --- NEAR 10.4N 156.1E
MOVEMENT PAST SIX HOURS - 340 DEGREES AT 03 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.4N 156.1E
---
FORECASTS:
12 HRS, VALID AT:
220000Z --- 10.8N 155.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
221200Z --- 11.2N 154.4E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 05 KTS
---
36 HRS, VALID AT:
230000Z --- 11.6N 153.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 280 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
231200Z --- 11.8N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
241200Z --- 12.4N 149.9E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 08 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
251200Z --- 13.1N 146.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
211500Z POSITION NEAR 10.5N 155.9E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 244 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTH-NORTHWESTWARD AT 03
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211200Z IS 16 FEET. NEXT
WARNINGS AT 212100Z, 220300Z, 220900Z AND 221500Z.
//
NNNN

>

Original Message :

WTPQ30 RJTD 211200
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO.10 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10.1N, 155.9E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 998HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 45KNOTS. THE SYSTEM IS
IN A NEUTRAL ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS AND DRY AIR. THIS HAS CAUSED THE SYSTEM TO MAINTAIN ITS
INTENSITY OVER THE LAST SIX HOURS. INFORMATION ON THE CURRENT
INTENSITY IS BASED ON DVORAK INTENSITY ANALYSES AND SURFACE
OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS ALMOST STATIONARY ALONG THE SOUTHERN PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE SYSTEM HAS A
BAND WITH A CURVATURE SUGGESTING THE CSC. ANIMATED MSI SHOWS GOOD
CLOUD CHARACTERISTICS OF ANTICYCLONIC OUTFLOW. WATER VAPOR IMAGERY
SHOWS DRY AIR IN THE DIRECTION OF THE MOVEMENT. DMSP-F18/SSMIS 89
GHZ MICROWAVE IMAGERY SHOWS THE SYSTEM HAS A BAND WITH CURVATURE
INDICATING THE CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE SLOWLY NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT12. THE SYSTEM WILL THEN
GRADUALLY TURN TO THE WEST ALONG THE PERIPHERY OF A MID-LEVEL
SUB-TROPICAL HIGH UNTIL FT48. THE TRACK FORECAST IS BASED ON GSM
PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK FORECAST
CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG NWP MODEL
OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL GRADUALLY WEAKEN UNTIL FT48 DUE TO THE INFLUENCE
OF INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL
WEAKEN TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON
A CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 211200
KMA TROPICAL CYCLONE ADVISORY NO. 6
NAME 2301 SANVU
ANALYSIS
POSITION 211200UTC 10.2N 155.9E
MOVEMENT N 2KT
PRES/VMAX 996HPA 39KT
FORECAST
12HR
POSITION 220000UTC 10.8N 155.0E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 221200UTC 11.3N 153.9E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 230000UTC 11.5N 152.7E WITHIN 70NM
PRES/VMAX 1004HPA 27KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 211200
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 211200UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 220000UTC 10.9N 155.2E 40NM 70%
MOVE NW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 221200UTC 11.3N 154.1E 57NM 70%
MOVE WNW 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 231200UTC 11.6N 151.9E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 211200
WARNING 211200.
WARNING VALID 221200.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 998 HPA
AT 10.1N 155.9E MARSHALLS ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 45 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 220000UTC AT 10.9N 155.2E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
FORECAST POSITION FOR 221200UTC AT 11.3N 154.1E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 231200UTC AT 11.6N 151.9E WITH 105 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 210900
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 210900UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 212100UTC 10.7N 155.3E 40NM 70%
MOVE NW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 220900UTC 11.2N 154.1E 57NM 70%
MOVE WNW 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 230600UTC 11.9N 151.7E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 210900
WARNING ATCG MIL 01W NWP 230421070254
2023042106 01W SANVU 008 01 335 02 SATL SYNP 035
T000 101N 1562E 045 R034 060 NE QD 045 SE QD 035 SW QD 050 NW QD
T012 105N 1555E 045 R034 060 NE QD 060 SE QD 010 SW QD 040 NW QD
T024 110N 1543E 040 R034 050 NE QD 050 SE QD 010 SW QD 030 NW QD
T036 115N 1532E 035 R034 040 NE QD 050 SE QD 020 SW QD 030 NW QD
T048 118N 1518E 030
T072 122N 1486E 025
T096 137N 1461E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 008
1. TROPICAL STORM 01W (SANVU) WARNING NR 008
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210600Z --- NEAR 10.1N 156.2E
MOVEMENT PAST SIX HOURS - 335 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 035 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.1N 156.2E
---
FORECASTS:
12 HRS, VALID AT:
211800Z --- 10.5N 155.5E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 295 DEG/ 06 KTS
---
24 HRS, VALID AT:
220600Z --- 11.0N 154.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
221800Z --- 11.5N 153.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 280 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230600Z --- 11.8N 151.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 280 DEG/ 08 KTS
---
72 HRS, VALID AT:
240600Z --- 12.2N 148.6E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 300 DEG/ 07 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250600Z --- 13.7N 146.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210900Z POSITION NEAR 10.2N 156.0E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 156 NM
NORTH-NORTHEAST OF OROLUK, HAS TRACKED NORTH-NORTHWESTWARD AT 02
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
210600Z IS 17 FEET. NEXT WARNINGS AT 211500Z, 212100Z, 220300Z
AND 220900Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1574E 40
0123042012 93N1566E 40
0123042018 97N1564E 45
0123042100 99N1563E 45
0123042106 101N1562E 45
NNNN

>

Original Message :

WTPN31 PGTW 210900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (SANVU) WARNING NR 008//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 008
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210600Z --- NEAR 10.1N 156.2E
MOVEMENT PAST SIX HOURS - 335 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 035 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.1N 156.2E
---
FORECASTS:
12 HRS, VALID AT:
211800Z --- 10.5N 155.5E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 295 DEG/ 06 KTS
---
24 HRS, VALID AT:
220600Z --- 11.0N 154.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
221800Z --- 11.5N 153.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 280 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230600Z --- 11.8N 151.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 280 DEG/ 08 KTS
---
72 HRS, VALID AT:
240600Z --- 12.2N 148.6E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 300 DEG/ 07 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250600Z --- 13.7N 146.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210900Z POSITION NEAR 10.2N 156.0E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 156 NM
NORTH-NORTHEAST OF OROLUK, HAS TRACKED NORTH-NORTHWESTWARD AT 02
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
210600Z IS 17 FEET. NEXT WARNINGS AT 211500Z, 212100Z, 220300Z
AND 220900Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 210600
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO. 9 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10.1N, 155.9E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 998HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 45KNOTS. THE SYSTEM IS
IN A FAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS, HIGH TCHP, WEAK VWS AND GOOD UPPER-LEVEL OUTFLOW. THIS
HAS CAUSED THE SYSTEM TO DEVELOP OVER THE LAST SIX HOURS.
INFORMATION ON THE CURRENT INTENSITY IS BASED ON DVORAK INTENSITY
ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS ALMOST STATIONARY ALONG THE SOUTHERN PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE SYSTEM HAS A
BAND WITH A CURVATURE SUGGESTING THE CSC. WATER VAPOR IMAGERY
SHOWS DRY AIR AROUND THE SYSTEM. GCOM-W/AMSR2 89 GHZ MICROWAVE
IMAGERY SHOWS THE SYSTEM HAS A BAND WITH CURVATURE INDICATING THE
CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE SLOWLY NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT12. THE SYSTEM WILL THEN MOVE
WEST-NORTHWESTWARD UNTIL FT48. THE TRACK FORECAST IS BASED ON GSM
PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK FORECAST
CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG NWP MODEL
OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL WEAKEN UNTIL FT48 DUE TO THE INFLUENCE OF
INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL WEAKEN
TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON A
CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 210600
KMA TROPICAL CYCLONE ADVISORY NO. 5
NAME 2301 SANVU
ANALYSIS
POSITION 210600UTC 10.1N 155.9E
MOVEMENT N 1KT
PRES/VMAX 996HPA 39KT
FORECAST
12HR
POSITION 211800UTC 10.6N 155.4E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 220600UTC 11.1N 154.2E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 221800UTC 11.5N 152.9E WITHIN 70NM
PRES/VMAX 1004HPA 27KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 210600
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 210600UTC 10.1N 155.9E FAIR
MOVE ALMOST STATIONARY
PRES 998HPA
MXWD 045KT
GUST 065KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
12HF 211800UTC 10.6N 155.4E 40NM 70%
MOVE NW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 220600UTC 11.1N 154.1E 57NM 70%
MOVE WNW 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 230600UTC 11.9N 151.7E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 210600
WARNING 210600.
WARNING VALID 220600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 998 HPA
AT 10.1N 155.9E MARSHALLS ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 45 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 211800UTC AT 10.6N 155.4E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
FORECAST POSITION FOR 220600UTC AT 11.1N 154.1E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 230600UTC AT 11.9N 151.7E WITH 105 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1008 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 210300
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 210300UTC 10.1N 155.9E FAIR
MOVE WNW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
24HF 220300UTC 11.2N 154.1E 57NM 70%
MOVE WNW SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 230000UTC 12.0N 152.1E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 210300
WARNING ATCG MIL 01W NWP 230421013311
2023042100 01W SANVU 007 01 335 02 SATL 060
T000 100N 1562E 045 R034 050 NE QD 035 SE QD 035 SW QD 040 NW QD
T012 105N 1557E 040 R034 030 NE QD 030 SE QD 010 SW QD 020 NW QD
T024 109N 1546E 035 R034 030 NE QD 040 SE QD 010 SW QD 020 NW QD
T036 114N 1535E 035 R034 040 NE QD 020 SE QD 010 SW QD 030 NW QD
T048 118N 1524E 030
T072 121N 1495E 025
T096 132N 1471E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 007
1. TROPICAL STORM 01W (SANVU) WARNING NR 007
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210000Z --- NEAR 10.0N 156.2E
MOVEMENT PAST SIX HOURS - 335 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.0N 156.2E
---
FORECASTS:
12 HRS, VALID AT:
211200Z --- 10.5N 155.7E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 06 KTS
---
24 HRS, VALID AT:
220000Z --- 10.9N 154.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
221200Z --- 11.4N 153.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 290 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230000Z --- 11.8N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 275 DEG/ 07 KTS
---
72 HRS, VALID AT:
240000Z --- 12.1N 149.5E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 295 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250000Z --- 13.2N 147.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210300Z POSITION NEAR 10.1N 156.1E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 700 NM
EAST-SOUTHEAST OF ANDERSEN AFB, HAS TRACKED NORTH-NORTHWESTWARD
AT 02 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z IS 20 FEET. NEXT
WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.
//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1574E 40
0123042012 93N1566E 40
0123042018 98N1563E 45
0123042100 100N1562E 45
NNNN

>

Original Message :

WTPN31 PGTW 210300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (SANVU) WARNING NR 007//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 007
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
210000Z --- NEAR 10.0N 156.2E
MOVEMENT PAST SIX HOURS - 335 DEGREES AT 02 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.0N 156.2E
---
FORECASTS:
12 HRS, VALID AT:
211200Z --- 10.5N 155.7E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 06 KTS
---
24 HRS, VALID AT:
220000Z --- 10.9N 154.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
221200Z --- 11.4N 153.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 290 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
230000Z --- 11.8N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 275 DEG/ 07 KTS
---
72 HRS, VALID AT:
240000Z --- 12.1N 149.5E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 295 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
250000Z --- 13.2N 147.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
210300Z POSITION NEAR 10.1N 156.1E.
21APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 700 NM
EAST-SOUTHEAST OF ANDERSEN AFB, HAS TRACKED NORTH-NORTHWESTWARD
AT 02 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z IS 20 FEET. NEXT
WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 210000
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO. 8 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 10N, 155.9E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 1000HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 40KNOTS. THE SYSTEM IS
IN A NEUTRAL ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS, HIGH TCHP, WEAK VWS, GOOD UPPER-LEVEL OUTFLOW AND DRY
AIR. THIS HAS CAUSED THE SYSTEM TO MAINTAIN ITS INTENSITY OVER THE
LAST SIX HOURS. INFORMATION ON THE CURRENT INTENSITY IS BASED ON
DVORAK INTENSITY ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS MOVING SLOWLY WEST-NORTHWESTWARD ALONG THE
SOUTHWESTERN PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED
MSI SHOWS THE SYSTEM HAS A BAND WITH A CURVATURE SUGGESTING THE
CSC. WATER VAPOR IMAGERY SHOWS DRY AIR AROUND THE SYSTEM.
DMSP-F17/SSMIS 89 GHZ MICROWAVE IMAGERY SHOWS THE SYSTEM HAS A
BAND WITH CURVATURE INDICATING THE CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE WEST-NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT48. THE TRACK FORECAST IS
BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK
FORECAST CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG
NWP MODEL OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL WEAKEN UNTIL FT48 DUE TO THE INFLUENCE OF
INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL WEAKEN
TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON A
CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 210000
KMA TROPICAL CYCLONE ADVISORY NO. 4
NAME 2301 SANVU
ANALYSIS
POSITION 210000UTC 10.0N 155.9E
MOVEMENT WNW 4KT
PRES/VMAX 998HPA 37KT
FORECAST
12HR
POSITION 211200UTC 10.6N 155.0E WITHIN 25NM
PRES/VMAX 1000HPA 35KT
24HR
POSITION 220000UTC 10.9N 154.1E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 221200UTC 11.5N 152.8E WITHIN 70NM
PRES/VMAX 1002HPA 33KT
48HR
POSITION 230000UTC 11.8N 151.6E WITHIN 80NM
PRES/VMAX 1006HPA 25KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 210000
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 210000UTC 10.0N 155.9E FAIR
MOVE WNW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
24HF 220000UTC 10.9N 154.5E 57NM 70%
MOVE WNW SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 230000UTC 12.0N 152.1E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 210000
WARNING 210000.
WARNING VALID 220000.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 1000 HPA
AT 10.0N 155.9E MARSHALLS MOVING WESTNORTHWEST SLOWLY.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 220000UTC AT 10.9N 154.5E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 230000UTC AT 12.0N 152.1E WITH 105 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1008 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 202100
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 202100UTC 09.9N 155.9E FAIR
MOVE WNW SLOWLY
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
24HF 212100UTC 11.1N 154.2E 57NM 70%
MOVE NW SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 221800UTC 11.9N 152.1E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 202100
WARNING ATCG MIL 01W NWP 230420194742
2023042018 01W SANVU 006 01 330 06 SATL 060
T000 098N 1563E 045 R034 035 NE QD 025 SE QD 030 SW QD 040 NW QD
T012 105N 1553E 040 R034 030 NE QD 020 SE QD 010 SW QD 030 NW QD
T024 109N 1543E 035 R034 030 NE QD 040 SE QD 010 SW QD 020 NW QD
T036 114N 1532E 035 R034 030 NE QD 050 SE QD 040 SW QD 030 NW QD
T048 119N 1522E 030
T072 125N 1498E 025
T096 131N 1477E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 006
1. TROPICAL STORM 01W (SANVU) WARNING NR 006
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201800Z --- NEAR 9.8N 156.3E
MOVEMENT PAST SIX HOURS - 330 DEGREES AT 06 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.8N 156.3E
---
FORECASTS:
12 HRS, VALID AT:
210600Z --- 10.5N 155.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
211800Z --- 10.9N 154.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
220600Z --- 11.4N 153.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 295 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z --- 11.9N 152.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
231800Z --- 12.5N 149.8E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241800Z --- 13.1N 147.7E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
202100Z POSITION NEAR 10.0N 156.0E.
20APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 721 NM
EAST-SOUTHEAST OF NAVSTA GUAM, HAS TRACKED NORTH-NORTHWESTWARD AT
06 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 20 FEET. NEXT
WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1574E 40
0123042012 93N1566E 40
0123042018 98N1563E 45

>

Original Message :

WTPN31 PGTW 202100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (SANVU) WARNING NR 006//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 006
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201800Z --- NEAR 9.8N 156.3E
MOVEMENT PAST SIX HOURS - 330 DEGREES AT 06 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.8N 156.3E
---
FORECASTS:
12 HRS, VALID AT:
210600Z --- 10.5N 155.3E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 290 DEG/ 05 KTS
---
24 HRS, VALID AT:
211800Z --- 10.9N 154.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
220600Z --- 11.4N 153.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 295 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221800Z --- 11.9N 152.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
231800Z --- 12.5N 149.8E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241800Z --- 13.1N 147.7E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
202100Z POSITION NEAR 10.0N 156.0E.
20APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 721 NM
EAST-SOUTHEAST OF NAVSTA GUAM, HAS TRACKED NORTH-NORTHWESTWARD AT
06 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 20 FEET. NEXT
WARNINGS AT 210300Z, 210900Z, 211500Z AND 212100Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 201800
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO. 7 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 9.9N, 156.1E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 1000HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 40KNOTS. THE SYSTEM IS
IN A FAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS, HIGH TCHP, WEAK VWS AND GOOD UPPER-LEVEL OUTFLOW. THIS
HAS CAUSED THE SYSTEM TO DEVELOP OVER THE LAST SIX HOURS.
INFORMATION ON THE CURRENT INTENSITY IS BASED ON DVORAK INTENSITY
ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS MOVING WEST-NORTHWESTWARD ALONG THE SOUTHWESTERN
PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS THE
FORMATION OF A BAND WITH A CURVATURE SUGGESTING THE CSC. ANIMATED
MSI SHOWS GOOD CLOUD CHARACTERISTICS OF ANTICYCLONIC OUTFLOW.
WATER VAPOR IMAGERY SHOWS DRY AIR AROUND THE SYSTEM.
3.TRACK FORECAST
THE SYSTEM WILL MOVE WEST-NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT48. THE TRACK FORECAST IS
BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK
FORECAST CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG
NWP MODEL OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL WEAKEN UNTIL FT48 DUE TO THE INFLUENCE OF
INTERACTION WITH DRY AIR AND INCREASED VWS. THE SYSTEM WILL WEAKEN
TO TD INTENSITY BY FT48. THE INTENSITY FORECAST IS BASED ON A
CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 201800
KMA TROPICAL CYCLONE ADVISORY NO. 3
NAME 2301 SANVU
ANALYSIS
POSITION 201800UTC 9.8N 156.2E
MOVEMENT NW 3KT
PRES/VMAX 998HPA 37KT
FORECAST
12HR
POSITION 210600UTC 10.4N 155.3E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 211800UTC 10.8N 154.2E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 220600UTC 11.2N 153.1E WITHIN 70NM
PRES/VMAX 1002HPA 33KT
48HR
POSITION 221800UTC 11.5N 152.1E WITHIN 80NM
PRES/VMAX 1004HPA 27KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 201800
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 201800UTC 09.9N 156.1E FAIR
MOVE WNW 06KT
PRES 1000HPA
MXWD 040KT
GUST 060KT
30KT 180NM NORTHEAST 120NM SOUTHWEST
FORECAST
24HF 211800UTC 10.8N 154.4E 57NM 70%
MOVE WNW SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 221800UTC 11.9N 152.1E 105NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 201800
WARNING 201800.
WARNING VALID 211800.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 1000 HPA
AT 09.9N 156.1E MARSHALLS MOVING WESTNORTHWEST 06 KNOTS.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTHEAST SEMICIRCLE AND 120
MILES ELSEWHERE.
FORECAST POSITION FOR 211800UTC AT 10.8N 154.4E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 221800UTC AT 11.9N 152.1E WITH 105 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1008 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 201500
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 201500UTC 09.7N 156.4E FAIR
MOVE NNW 07KT
PRES 1004HPA
MXWD 035KT
GUST 050KT
30KT 90NM
FORECAST
12HF 210300UTC 10.3N 154.9E 40NM 70%
MOVE WNW 08KT
PRES 1002HPA
MXWD 040KT
GUST 060KT
24HF 211500UTC 10.7N 154.3E 57NM 70%
MOVE WNW SLOWLY
PRES 1004HPA
MXWD 035KT
GUST 050KT
45HF 221200UTC 11.6N 152.6E 105NM 70%
MOVE WNW SLOWLY
PRES 1004HPA
MXWD 035KT
GUST 050KT
69HF 231200UTC 12.2N 149.9E 160NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 201500
WARNING ATCG MIL 01W NWP 230420133626
2023042012 01W SANVU 005 01 320 09 SATL SYNP 010
T000 097N 1565E 040 R034 030 NE QD 020 SE QD 025 SW QD 035 NW QD
T012 106N 1554E 040 R034 040 NE QD 030 SE QD 030 SW QD 040 NW QD
T024 110N 1545E 035 R034 040 NE QD 030 SE QD 000 SW QD 040 NW QD
T036 114N 1536E 030
T048 119N 1524E 030
T072 125N 1500E 025
T096 129N 1481E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (SANVU) WARNING NR 005
1. TROPICAL STORM 01W (SANVU) WARNING NR 005
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201200Z --- NEAR 9.7N 156.5E
MOVEMENT PAST SIX HOURS - 320 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 010 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.7N 156.5E
---
FORECASTS:
12 HRS, VALID AT:
210000Z --- 10.6N 155.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 295 DEG/ 05 KTS
---
24 HRS, VALID AT:
211200Z --- 11.0N 154.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 05 KTS
---
36 HRS, VALID AT:
220000Z --- 11.4N 153.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 295 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221200Z --- 11.9N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
231200Z --- 12.5N 150.0E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 280 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241200Z --- 12.9N 148.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
201500Z POSITION NEAR 9.9N 156.2E.
20APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 196 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 09 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
201200Z IS 18 FEET. NEXT WARNINGS AT 202100Z, 210300Z, 210900Z
AND 211500Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1571E 40
0123042012 97N1565E 40

>

Original Message :

WTPN31 PGTW 201500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (SANVU) WARNING NR 005//
RMKS/
1. TROPICAL STORM 01W (SANVU) WARNING NR 005
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
201200Z --- NEAR 9.7N 156.5E
MOVEMENT PAST SIX HOURS - 320 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 010 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.7N 156.5E
---
FORECASTS:
12 HRS, VALID AT:
210000Z --- 10.6N 155.4E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 295 DEG/ 05 KTS
---
24 HRS, VALID AT:
211200Z --- 11.0N 154.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 05 KTS
---
36 HRS, VALID AT:
220000Z --- 11.4N 153.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 295 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
221200Z --- 11.9N 152.4E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
231200Z --- 12.5N 150.0E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 280 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
241200Z --- 12.9N 148.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
201500Z POSITION NEAR 9.9N 156.2E.
20APR23. TROPICAL STORM 01W (SANVU), LOCATED APPROXIMATELY 196 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 09 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
201200Z IS 18 FEET. NEXT WARNINGS AT 202100Z, 210300Z, 210900Z
AND 211500Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 201200
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO. 6 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
TS SANVU IS LOCATED AT 9.6N, 156.6E. INFORMATION ON THE CURRENT
POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS.
POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS 1004HPA AND
MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 35KNOTS. THE SYSTEM IS
IN A NEUTRAL ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF
HIGH SSTS, HIGH TCHP, WEAK VWS, GOOD UPPER-LEVEL OUTFLOW AND DRY
AIR. THIS HAS CAUSED THE SYSTEM TO MAINTAIN ITS INTENSITY OVER THE
LAST SIX HOURS. INFORMATION ON THE CURRENT INTENSITY IS BASED ON
DVORAK INTENSITY ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS MOVING NORTH-NORTHWESTWARD ALONG THE SOUTHWESTERN
PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS CB
CLUSTERS GATHERING AROUND THE CSC AND STARTING TO FORM A CURVED
BAND. ANIMATED MSI SHOWS THE CLOUD CHARACTERISTICS OF ANTICYCLONIC
OUTFLOW ARE NOW DISTINCT. WATER VAPOR IMAGERY SHOWS DRY AIR IN THE
DIRECTION OF THE MOVEMENT.
3.TRACK FORECAST
THE SYSTEM WILL MOVE WEST-NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT72. THE TRACK FORECAST IS
BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK
FORECAST CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG
NWP MODEL OUTPUTS.
4.INTENSITY FORECAST
THE SYSTEM WILL DEVELOP UNTIL FT12 DUE TO THE INFLUENCE OF
INTERACTION WITH HIGH SSTS, HIGH TCHP, WEAK VWS AND GOOD UPPER
LEVEL OUTFLOW. THE SYSTEM WILL THEN WEAKEN UNTIL FT24 DUE TO THE
INFLUENCE OF INTERACTION WITH INCREASED VWS AND DRY AIR. THE
SYSTEM WILL THEN MAINTAIN ITS INTENSITY UNTIL FT48 DUE TO THE
INFLUENCE OF INTERACTION WITH HIGH SSTS, HIGH TCHP, INCREASED VWS
AND DRY AIR. THE SYSTEM WILL THEN WEAKEN UNTIL FT72 DUE TO THE
INFLUENCE OF INTERACTION WITH INCREASED VWS AND DRY AIR. THE
SYSTEM WILL WEAKEN TO TD INTENSITY BY FT72. THE INTENSITY FORECAST
IS BASED ON A CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 201200
KMA TROPICAL CYCLONE ADVISORY NO. 2
NAME 2301 SANVU
ANALYSIS
POSITION 201200UTC 9.4N 156.5E
MOVEMENT NW 6KT
PRES/VMAX 998HPA 37KT
FORECAST
12HR
POSITION 210000UTC 10.1N 155.6E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 211200UTC 10.6N 154.5E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 220000UTC 10.9N 153.4E WITHIN 70NM
PRES/VMAX 1000HPA 35KT
48HR
POSITION 221200UTC 11.3N 152.4E WITHIN 80NM
PRES/VMAX 1002HPA 33KT
72HR
POSITION 231200UTC 11.7N 150.5E WITHIN 110NM
PRES/VMAX 1006HPA 25KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 201200
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 201200UTC 09.6N 156.6E FAIR
MOVE NNW 07KT
PRES 1004HPA
MXWD 035KT
GUST 050KT
30KT 90NM
FORECAST
12HF 210000UTC 10.3N 155.1E 40NM 70%
MOVE WNW 08KT
PRES 1002HPA
MXWD 040KT
GUST 060KT
24HF 211200UTC 10.5N 154.5E 57NM 70%
MOVE WNW SLOWLY
PRES 1004HPA
MXWD 035KT
GUST 050KT
48HF 221200UTC 11.6N 152.6E 105NM 70%
MOVE WNW SLOWLY
PRES 1004HPA
MXWD 035KT
GUST 050KT
72HF 231200UTC 12.2N 149.9E 160NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 201200
WARNING 201200.
WARNING VALID 211200.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) 1004 HPA
AT 09.6N 156.6E MARSHALLS MOVING NORTHNORTHWEST 07 KNOTS.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 90 MILES.
FORECAST POSITION FOR 210000UTC AT 10.3N 155.1E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
FORECAST POSITION FOR 211200UTC AT 10.5N 154.5E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1004 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 221200UTC AT 11.6N 152.6E WITH 105 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1004 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 231200UTC AT 12.2N 149.9E WITH 160 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1008 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPQ50 RJTD 200900
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301)
ANALYSIS
PSTN 200900UTC 09.1N 156.7E FAIR
MOVE WNW 11KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 90NM
FORECAST
12HF 202100UTC 10.1N 155.4E 45NM 70%
MOVE NW 08KT
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 210900UTC 10.3N 154.4E 65NM 70%
MOVE W SLOWLY
PRES 1002HPA
MXWD 035KT
GUST 050KT
45HF 220600UTC 10.9N 151.7E 120NM 70%
MOVE WNW 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
69HF 230600UTC 11.6N 149.4E 180NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTPN51 PGTW 200900
WARNING ATCG MIL 01W NWP 230420065829
2023042006 01W ONE 004 01 325 14 SATL SYNP 025
T000 090N 1571E 035 R034 050 NE QD 050 SE QD 025 SW QD 005 NW QD
T012 103N 1561E 040 R034 060 NE QD 030 SE QD 010 SW QD 020 NW QD
T024 109N 1552E 035 R034 060 NE QD 060 SE QD 050 SW QD 030 NW QD
T036 114N 1541E 030
T048 119N 1528E 025
T072 125N 1504E 025
T096 128N 1481E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (ONE) WARNING NR 004
1. TROPICAL STORM 01W (ONE) WARNING NR 004
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
200600Z --- NEAR 9.0N 157.1E
MOVEMENT PAST SIX HOURS - 325 DEGREES AT 14 KTS
POSITION ACCURATE TO WITHIN 025 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
005 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.0N 157.1E
---
FORECASTS:
12 HRS, VALID AT:
201800Z --- 10.3N 156.1E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 305 DEG/ 05 KTS
---
24 HRS, VALID AT:
210600Z --- 10.9N 155.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
211800Z --- 11.4N 154.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 290 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
220600Z --- 11.9N 152.8E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
230600Z --- 12.5N 150.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 280 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
240600Z --- 12.8N 148.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
200900Z POSITION NEAR 9.3N 156.8E.
20APR23. TROPICAL STORM 01W (ONE), LOCATED APPROXIMATELY 142 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 14 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
200600Z IS 15 FEET. NEXT WARNINGS AT 201500Z, 202100Z, 210300Z
AND 210900Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
0123042006 90N1571E 35
NNNN

>

Original Message :

WTPN31 PGTW 200900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (ONE) WARNING NR 004//
RMKS/
1. TROPICAL STORM 01W (ONE) WARNING NR 004
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
200600Z --- NEAR 9.0N 157.1E
MOVEMENT PAST SIX HOURS - 325 DEGREES AT 14 KTS
POSITION ACCURATE TO WITHIN 025 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
005 NM NORTHWEST QUADRANT
REPEAT POSIT: 9.0N 157.1E
---
FORECASTS:
12 HRS, VALID AT:
201800Z --- 10.3N 156.1E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 305 DEG/ 05 KTS
---
24 HRS, VALID AT:
210600Z --- 10.9N 155.2E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 295 DEG/ 06 KTS
---
36 HRS, VALID AT:
211800Z --- 11.4N 154.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 290 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
220600Z --- 11.9N 152.8E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 285 DEG/ 06 KTS
---
72 HRS, VALID AT:
230600Z --- 12.5N 150.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 280 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
240600Z --- 12.8N 148.1E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
200900Z POSITION NEAR 9.3N 156.8E.
20APR23. TROPICAL STORM 01W (ONE), LOCATED APPROXIMATELY 142 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 14 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
200600Z IS 15 FEET. NEXT WARNINGS AT 201500Z, 202100Z, 210300Z
AND 210900Z.//
NNNN

>

Original Message :

WTPQ30 RJTD 200600
RSMC TROPICAL CYCLONE PROGNOSTIC REASONING
REASONING NO. 5 FOR TS 2301 SANVU (2301)
1.GENERAL COMMENTS
A TD PREVIOUSLY LOCATED AT 7.2N, 157.5E HAS BEEN UPGRADED TO TS
(SANVU) STATUS. TS SANVU IS LOCATED AT 9N, 157E. INFORMATION ON
THE CURRENT POSITION IS BASED ON ANIMATED MSI AND SURFACE
OBSERVATIONS. POSITIONAL ACCURACY IS FAIR. CENTRAL PRESSURE IS
1002HPA AND MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 35KNOTS.
THE SYSTEM IS IN A FAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE
INFLUENCE OF HIGH SSTS, HIGH TCHP, WEAK VWS AND GOOD UPPER-LEVEL
OUTFLOW. THIS HAS CAUSED THE SYSTEM TO DEVELOP OVER THE LAST SIX
HOURS. INFORMATION ON THE CURRENT INTENSITY IS BASED ON DVORAK
INTENSITY ANALYSES AND SURFACE OBSERVATIONS.
2.SYNOPTIC SITUATION
THE SYSTEM IS MOVING NORTHWESTWARD ALONG THE SOUTHWESTERN
PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS CB
CLUSTERS GATHERING AROUND THE CSC AND STARTING TO FORM A CURVED
BAND. ANIMATED MSI SHOWS GOOD CLOUD CHARACTERISTICS OF
ANTICYCLONIC OUTFLOW. WATER VAPOR IMAGERY SHOWS DRY AIR IN THE
DIRECTION OF THE MOVEMENT. GPM/GMI 89 GHZ MICROWAVE IMAGERY SHOWS
THE SYSTEM HAS ACTIVE CONVECTIVE CLOUD CLUSTERS AROUND THE CSC.
3.TRACK FORECAST
THE SYSTEM WILL MOVE WEST-NORTHWESTWARD ALONG THE PERIPHERY OF A
MID-LEVEL SUB-TROPICAL HIGH UNTIL FT72. THE TRACK FORECAST IS
BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK
FORECAST CONFIDENCE IS FAIR BECAUSE ALL NWP MODELS ARE IN CLOSE
AGREEMENT.
4.INTENSITY FORECAST
THE SYSTEM WILL DEVELOP UNTIL FT12 DUE TO THE INFLUENCE OF
INTERACTION WITH HIGH SSTS, HIGH TCHP, WEAK VWS AND GOOD UPPER
LEVEL OUTFLOW. THE SYSTEM WILL THEN WEAKEN UNTIL FT72 DUE TO THE
INFLUENCE OF INTERACTION WITH DRY AIR AND INCREASED VWS. THE
SYSTEM WILL WEAKEN TO TD INTENSITY BY FT72. THE INTENSITY FORECAST
IS BASED ON A CONSENSUS OF GUIDANCE DATA INCLUDING GSM.
=

>

Original Message :

WTKO20 RKSL 200600
KMA TROPICAL CYCLONE ADVISORY NO. 1
NAME 2301 SANVU
ANALYSIS
POSITION 200600UTC 9.0N 156.9E
MOVEMENT NW 15KT
PRES/VMAX 1000HPA 35KT
FORECAST
12HR
POSITION 201800UTC 9.7N 155.8E WITHIN 25NM
PRES/VMAX 998HPA 37KT
24HR
POSITION 210600UTC 10.2N 154.6E WITHIN 55NM
PRES/VMAX 1000HPA 35KT
36HR
POSITION 211800UTC 10.6N 153.6E WITHIN 70NM
PRES/VMAX 1000HPA 35KT
48HR
POSITION 220600UTC 10.9N 152.2E WITHIN 80NM
PRES/VMAX 1002HPA 33KT
72HR
POSITION 230600UTC 11.4N 149.9E WITHIN 110NM
PRES/VMAX 1004HPA 27KT
KOREA METEOROLOGICAL ADMINISTRATION.

>

Original Message :

WTPQ50 RJTD 200600
RSMC TROPICAL CYCLONE ADVISORY
NAME TS 2301 SANVU (2301) UPGRADED FROM TD
ANALYSIS
PSTN 200600UTC 09.0N 157.0E FAIR
MOVE NW 15KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
30KT 90NM
FORECAST
12HF 201800UTC 09.9N 155.5E 45NM 70%
MOVE WNW 09KT
PRES 1000HPA
MXWD 040KT
GUST 060KT
24HF 210600UTC 10.2N 154.2E 65NM 70%
MOVE W 07KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
48HF 220600UTC 10.9N 151.7E 120NM 70%
MOVE WNW 06KT
PRES 1002HPA
MXWD 035KT
GUST 050KT
72HF 230600UTC 11.6N 149.4E 180NM 70% TROPICAL DEPRESSION =

>

Original Message :

WTJP21 RJTD 200600
WARNING 200600.
WARNING VALID 210600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2301 SANVU (2301) UPGRADED FROM TROPICAL DEPRESSION
1002 HPA
AT 09.0N 157.0E MARSHALLS MOVING NORTHWEST 15 KNOTS.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 90 MILES.
FORECAST POSITION FOR 201800UTC AT 09.9N 155.5E WITH 45 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 40 KNOTS NEAR CENTER.
FORECAST POSITION FOR 210600UTC AT 10.2N 154.2E WITH 65 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 220600UTC AT 10.9N 151.7E WITH 120 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1002 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 230600UTC AT 11.6N 149.4E WITH 180 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1008 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

>

Original Message :

WTPN51 PGTW 200300
WARNING ATCG MIL 01W NWP 230420021054
2023042000 01W ONE 003A 01 350 13 SATL 020
T000 079N 1579E 035 R034 040 NE QD 035 SE QD 020 SW QD 000 NW QD
T012 093N 1572E 040 R034 040 NE QD 035 SE QD 020 SW QD 000 NW QD
T024 102N 1562E 040 R034 040 NE QD 030 SE QD 020 SW QD 020 NW QD
T036 109N 1550E 035 R034 040 NE QD 040 SE QD 020 SW QD 010 NW QD
T048 113N 1537E 030
T072 117N 1513E 025
T096 119N 1490E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL STORM 01W (ONE) WARNING NR 003 RELOCATED
1. TROPICAL STORM 01W (ONE) WARNING NR 003 RELOCATED
UPGRADED FROM TROPICAL DEPRESSION 01W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
200000Z --- NEAR 7.9N 157.9E
MOVEMENT PAST SIX HOURS - 350 DEGREES AT 13 KTS
POSITION ACCURATE TO WITHIN 020 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 7.9N 157.9E
---
FORECASTS:
12 HRS, VALID AT:
201200Z --- 9.3N 157.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 310 DEG/ 07 KTS
---
24 HRS, VALID AT:
210000Z --- 10.2N 156.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 300 DEG/ 07 KTS
---
36 HRS, VALID AT:
211200Z --- 10.9N 155.0E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 290 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
220000Z --- 11.3N 153.7E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 280 DEG/ 06 KTS
---
72 HRS, VALID AT:
230000Z --- 11.7N 151.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 275 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
240000Z --- 11.9N 149.0E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
200300Z POSITION NEAR 8.3N 157.7E.
20APR23. TROPICAL STORM 01W (ONE), LOCATED APPROXIMATELY 63 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWARD AT 13 KNOTS
OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200000Z IS 13 FEET. NEXT
WARNINGS AT 200900Z, 201500Z, 202100Z AND 210300Z.
//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 47N1592E 20
0123041912 55N1585E 25
0123041918 66N1581E 30
0123042000 79N1579E 35
NNNN

>

Original Message :

WTPN31 PGTW 200300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 01W (ONE) WARNING NR 003 RELOCATED//
RMKS/
1. TROPICAL STORM 01W (ONE) WARNING NR 003 RELOCATED
UPGRADED FROM TROPICAL DEPRESSION 01W
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
200000Z --- NEAR 7.9N 157.9E
MOVEMENT PAST SIX HOURS - 350 DEGREES AT 13 KTS
POSITION ACCURATE TO WITHIN 020 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 7.9N 157.9E
---
FORECASTS:
12 HRS, VALID AT:
201200Z --- 9.3N 157.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 310 DEG/ 07 KTS
---
24 HRS, VALID AT:
210000Z --- 10.2N 156.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 300 DEG/ 07 KTS
---
36 HRS, VALID AT:
211200Z --- 10.9N 155.0E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 290 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
220000Z --- 11.3N 153.7E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 280 DEG/ 06 KTS
---
72 HRS, VALID AT:
230000Z --- 11.7N 151.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 275 DEG/ 06 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
240000Z --- 11.9N 149.0E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
200300Z POSITION NEAR 8.3N 157.7E.
20APR23. TROPICAL STORM 01W (ONE), LOCATED APPROXIMATELY 63 NM
NORTH-NORTHWEST OF POHNPEI, HAS TRACKED NORTHWARD AT 13 KNOTS
OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200000Z IS 13 FEET. NEXT
WARNINGS AT 200900Z, 201500Z, 202100Z AND 210300Z.
2.JUSTIFICATION FOR RELOCATION: RELOCATED POSITION 70NM NORTH BASED ON
RECENT SATELLITE IMAGERY.
//
NNNN

>

Original Message :

WTPN51 PGTW 192100
WARNING ATCG MIL 01W NWP 230419193058
2023041918 01W ONE 002 01 310 09 SATL 040
T000 056N 1578E 030
T012 072N 1569E 040 R034 030 NE QD 020 SE QD 010 SW QD 010 NW QD
T024 083N 1562E 040 R034 040 NE QD 020 SE QD 000 SW QD 020 NW QD
T036 091N 1553E 035 R034 050 NE QD 030 SE QD 000 SW QD 050 NW QD
T048 097N 1542E 030
T072 104N 1521E 025
T096 109N 1502E 020
AMP
072HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
096HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL DEPRESSION 01W (ONE) WARNING NR 002
1. TROPICAL DEPRESSION 01W (ONE) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
191800Z --- NEAR 5.6N 157.8E
MOVEMENT PAST SIX HOURS - 310 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 5.6N 157.8E
---
FORECASTS:
12 HRS, VALID AT:
200600Z --- 7.2N 156.9E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 330 DEG/ 07 KTS
---
24 HRS, VALID AT:
201800Z --- 8.3N 156.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 310 DEG/ 06 KTS
---
36 HRS, VALID AT:
210600Z --- 9.1N 155.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 300 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
211800Z --- 9.7N 154.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 290 DEG/ 05 KTS
---
72 HRS, VALID AT:
221800Z --- 10.4N 152.1E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
231800Z --- 10.9N 150.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
192100Z POSITION NEAR 6.0N 157.6E.
19APR23. TROPICAL DEPRESSION 01W (ONE), LOCATED APPROXIMATELY 82
NM SOUTH-SOUTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 09
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 191800Z IS 11 FEET. NEXT
WARNINGS AT 200300Z, 200900Z, 201500Z AND 202100Z.
//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 44N1592E 20
0123041912 50N1585E 25
0123041918 56N1578E 30
NNNN

>

Original Message :

WTPN31 PGTW 192100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 01W (ONE) WARNING NR 002//
RMKS/
1. TROPICAL DEPRESSION 01W (ONE) WARNING NR 002
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
191800Z --- NEAR 5.6N 157.8E
MOVEMENT PAST SIX HOURS - 310 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 5.6N 157.8E
---
FORECASTS:
12 HRS, VALID AT:
200600Z --- 7.2N 156.9E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 330 DEG/ 07 KTS
---
24 HRS, VALID AT:
201800Z --- 8.3N 156.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 310 DEG/ 06 KTS
---
36 HRS, VALID AT:
210600Z --- 9.1N 155.3E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 300 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
211800Z --- 9.7N 154.2E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 72 HR POSIT: 290 DEG/ 05 KTS
---
72 HRS, VALID AT:
221800Z --- 10.4N 152.1E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 96 HR POSIT: 285 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
231800Z --- 10.9N 150.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
192100Z POSITION NEAR 6.0N 157.6E.
19APR23. TROPICAL DEPRESSION 01W (ONE), LOCATED APPROXIMATELY 82
NM SOUTH-SOUTHWEST OF POHNPEI, HAS TRACKED NORTHWESTWARD AT 09
KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 191800Z IS 11 FEET. NEXT
WARNINGS AT 200300Z, 200900Z, 201500Z AND 202100Z.//
NNNN

>

Original Message :

WTPN51 PGTW 191500
WARNING ATCG MIL 01W NWP 230419131118
2023041912 01W ONE 001 01 295 09 SATL SYNP 030
T000 048N 1584E 025
T012 063N 1575E 030
T024 076N 1565E 035 R034 030 NE QD 010 SE QD 000 SW QD 000 NW QD
T036 084N 1556E 035 R034 010 NE QD 010 SE QD 000 SW QD 000 NW QD
T048 091N 1545E 030
T072 099N 1529E 020
AMP
048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
SUBJ: TROPICAL DEPRESSION 01W (ONE) WARNING NR 001
1. TROPICAL DEPRESSION 01W (ONE) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
191200Z --- NEAR 4.8N 158.4E
MOVEMENT PAST SIX HOURS - 295 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 4.8N 158.4E
---
FORECASTS:
12 HRS, VALID AT:
200000Z --- 6.3N 157.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 325 DEG/ 08 KTS
---
24 HRS, VALID AT:
201200Z --- 7.6N 156.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 310 DEG/ 06 KTS
---
36 HRS, VALID AT:
210000Z --- 8.4N 155.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 305 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
211200Z --- 9.1N 154.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 72 HR POSIT: 295 DEG/ 04 KTS
---
72 HRS, VALID AT:
221200Z --- 9.9N 152.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
191500Z POSITION NEAR 5.2N 158.2E.
19APR23. TROPICAL DEPRESSION 01W (ONE), LOCATED APPROXIMATELY 127 NM
SOUTH OF POHNPEI, HAS TRACKED WEST-NORTHWESTWARD AT 09 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 191200Z IS 10 FEET.
NEXT WARNINGS AT 192100Z, 200300Z, 200900Z AND 201500Z.//
0123041800 26N1596E 15
0123041806 28N1599E 15
0123041812 30N1601E 15
0123041818 34N1600E 15
0123041900 39N1598E 20
0123041906 44N1592E 20
0123041912 48N1584E 25

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Original Message :

WTPN31 PGTW 191500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 01W (ONE) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/190121ZAPR2023//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 01W (ONE) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
191200Z --- NEAR 4.8N 158.4E
MOVEMENT PAST SIX HOURS - 295 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 030 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND SYNOPTIC DATA
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 4.8N 158.4E
---
FORECASTS:
12 HRS, VALID AT:
200000Z --- 6.3N 157.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 325 DEG/ 08 KTS
---
24 HRS, VALID AT:
201200Z --- 7.6N 156.5E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 310 DEG/ 06 KTS
---
36 HRS, VALID AT:
210000Z --- 8.4N 155.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 305 DEG/ 06 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
211200Z --- 9.1N 154.5E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 72 HR POSIT: 295 DEG/ 04 KTS
---
72 HRS, VALID AT:
221200Z --- 9.9N 152.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
191500Z POSITION NEAR 5.2N 158.2E.
19APR23. TROPICAL DEPRESSION 01W (ONE), LOCATED APPROXIMATELY 127 NM
SOUTH OF POHNPEI, HAS TRACKED WEST-NORTHWESTWARD AT 09 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 191200Z IS 10 FEET.
NEXT WARNINGS AT 192100Z, 200300Z, 200900Z AND 201500Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 190130).//
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