Overall Green Tropical Cyclone for DOLPHIN-26 in Marshall Islands from 27 Jul 2026 00:00 UTC to 29 Jul 2026 06:00 UTC

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Overall Green Tropical Cyclone for DOLPHIN-26

in Marshall Islands

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.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

29/07 03:47 WTPQ31PGUM290345

28/07 21:51 WTPQ31PGUM282150

28/07 15:56 WTPQ31PGUM281554

28/07 14:13 WTPN51PGTW281500

28/07 09:19 WTPQ31PGUM280918

28/07 03:47 WTPQ31PGUM280346

28/07 03:42 WTJP31RJTD280300

28/07 02:11 WTPN51PGTW280300

27/07 21:43 WTJP31RJTD272100

27/07 21:19 WTPQ31PGUM272117

27/07 15:45 WTJP31RJTD271500

27/07 15:36 WTPQ31PGUM271535

27/07 09:49 WTJP31RJTD270900

27/07 09:22 WTPQ31PGUM270921

27/07 03:41 WTPQ31PGUM270340

Original Message :

WTPQ31 PGUM 290345
TCPPQ1

BULLETIN
Typhoon Dolphin (12W) Advisory Number 9
National Weather Service Tiyan GU WP122026
145 PM ChST Wed Jul 29 2026

...TYPHOON DOLPHIN MOVING WEST-NORTHWEST AS IT EDGES CLOSER TO WAKE...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

However, residents of Wake Island should carefully monitor the
progress of Typhoon Dolphin.

SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION
-----------------------------------------------
Location...14.3N 168.7E

About 225 miles north-northwest of Utirik
About 350 miles north-northwest of Wotje
About 370 miles south-southeast of Wake Island
About 390 miles north of Kwajalein
About 530 miles north-northwest of Majuro
About 1535 miles east of Saipan
About 1600 miles east of Guam

Maximum sustained winds...140 mph
Present movement...west-northwest...295 degrees at 10 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 PM CHST...0300 UTC...the center of Typhoon Dolphin was located
near Latitude 14.3 degrees North and Longitude 168.7 degrees East.
Dolphin is moving west-northwest at 10 mph. It is expected to make a
slight turn toward the northwest with a slight increase in forward
speed through Thursday.

Maximum sustained winds have decreased to 140 mph. Dolphin is forecast
to weaken through tonight but remain a significant typhoon.

Typhoon force winds extend outward from the center up to 30 miles.
Tropical storm force winds extend outward from the center up to 85
miles.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National Weather
Service in Tiyan, Guam at 800 PM ChST this evening.

$$

Montvila

Original Message :

WTPQ31 PGUM 282150
TCPPQ1

BULLETIN
Typhoon Dolphin (12W) Advisory Number 8
National Weather Service Tiyan GU WP122026
750 AM ChST Wed Jul 29 2026

...TYPHOON DOLPHIN MOVING WEST-NORTHWEST...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

However, residents of Wake Island should carefully monitor the
progress of Typhoon Dolphin.

SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION
-----------------------------------------------
Location...13.9N 169.5E

About 185 miles north of Utirik
About 310 miles north of Wotje
About 375 miles north-northeast of Kwajalein
About 415 miles south-southeast of Wake
About 460 miles north of Ailinglaplap
About 485 miles north-northwest of Majuro
About 740 miles northeast of Kosrae
About 900 miles east-northeast of Pohnpei
About 1590 miles east of Saipan
About 1655 miles east of Guam

Maximum sustained winds...145 mph
Present movement...west-northwest...290 degrees at 9 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 AM CHST...2100 UTC...the center of Typhoon Dolphin was
located near Latitude 13.9 degrees North and Longitude 169.5 degrees
East. Dolphin is moving west-northwest at 9 mph. It is expected to
make a slight turn more toward the northwest, maintaining this
general speed over the next few days. Dolphin looks to pass south of
Wake Island around Thursday as it turns toward the northwest, moving
over the open ocean between Wake Island and the far northern CNMI
through the end of the week. Typhoon Dolphin is not expected to
impact the Marianas. However, residents of Wake Island should monitor
the progression of Typhoon Dolphin, as a northwest turn and
continued strengthening could bring damaging conditions to the
island.

Maximum sustained winds have increased to 145 mph. Dolphin is
forecast to weaken through tonight, then strengthen again through
Friday, possibly becoming a super typhoon Thursday night or Friday.

Typhoon force winds extend outward from the center up to
15 miles. Tropical storm force winds extend outward from the
center up to 105 miles.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National Weather
Service at 200 PM ChST.

$$

Kleeschulte

Original Message :

WTPQ31 PGUM 281554
TCPPQ1

BULLETIN
Typhoon Dolphin (12W) Advisory Number 7
National Weather Service Tiyan GU WP122026
154 AM ChST Wed Jul 29 2026

...TYPHOON DOLPHIN INTENSIFYING RAPIDLY NORTH OF UTIRIK...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None. However... Residents of Wake Island should carefully monitor
the progress of Typhoon Dolphin.

SUMMARY OF 100 AM CHST...1500 UTC...INFORMATION
-----------------------------------------------
Location...13.6N 170.3E

About 165 miles north of Utirik
About 285 miles north of Wotje
About 380 miles north-northeast of Kwajalein
About 445 miles north-northeast of Ailinglaplap
About 455 miles north of Majuro
About 460 miles south-southeast of Wake
About 755 miles northeast of Kosrae
About 940 miles east-northeast of Pohnpei
About 1645 miles east of Saipan
About 1710 miles east of Guam

Maximum sustained winds...115 mph
Present movement...west...275 degrees at 12 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 AM CHST...1500 UTC...the center of Typhoon Dolphin was located
near Latitude 13.6 degrees North and Longitude 170.3 degrees East.
Dolphin is moving west at 12 mph. It is expected to make a slight
turn toward the west-northwest with a slight decrease in forward
speed through Thursday. This general forecast track will take Dophin
between Wake and the Marianas over the next few days.

Maximum sustained winds have increased to 115 mph. Dolphin is
forecast to intensify through Thursday.

Typhoon force winds extend outward from the center up to
15 miles. Tropical storm force winds extend outward from the
center up to 80 miles.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the Natioanal Weather
Service at 800 AM ChST.

$$

Stanko

Original Message :

WTPN51 PGTW 281500
WARNING ATCG MIL 12W NWP 260728133739
2026072812 12W DOLPHIN 007 01 275 10 SATL 010
T000 134N 1707E 100 R064 015 NE QD 005 SE QD 005 SW QD 015 NW QD R050 035 NE QD 025 SE QD 020 SW QD 040 NW QD R034 070 NE QD 055 SE QD 055 SW QD 070 NW QD
T012 141N 1690E 120 R064 020 NE QD 010 SE QD 010 SW QD 020 NW QD R050 040 NE QD 030 SE QD 020 SW QD 040 NW QD R034 090 NE QD 070 SE QD 050 SW QD 080 NW QD
T024 149N 1673E 135 R064 030 NE QD 020 SE QD 000 SW QD 030 NW QD R050 040 NE QD 030 SE QD 020 SW QD 040 NW QD R034 100 NE QD 070 SE QD 060 SW QD 090 NW QD
T036 159N 1657E 145 R064 020 NE QD 020 SE QD 020 SW QD 020 NW QD R050 050 NE QD 040 SE QD 030 SW QD 040 NW QD R034 110 NE QD 080 SE QD 070 SW QD 100 NW QD
T048 169N 1639E 155 R064 030 NE QD 020 SE QD 020 SW QD 030 NW QD R050 050 NE QD 040 SE QD 030 SW QD 050 NW QD R034 120 NE QD 100 SE QD 080 SW QD 110 NW QD
T060 178N 1621E 160 R064 030 NE QD 020 SE QD 020 SW QD 030 NW QD R050 060 NE QD 050 SE QD 040 SW QD 060 NW QD R034 130 NE QD 110 SE QD 090 SW QD 120 NW QD
T072 188N 1604E 165 R064 040 NE QD 030 SE QD 020 SW QD 040 NW QD R050 070 NE QD 050 SE QD 050 SW QD 060 NW QD R034 150 NE QD 130 SE QD 100 SW QD 140 NW QD
T096 213N 1566E 160 R064 040 NE QD 040 SE QD 040 SW QD 040 NW QD R050 080 NE QD 070 SE QD 060 SW QD 070 NW QD R034 180 NE QD 160 SE QD 130 SW QD 160 NW QD
T120 239N 1522E 145 R064 070 NE QD 050 SE QD 040 SW QD 060 NW QD R050 110 NE QD 090 SE QD 070 SW QD 100 NW QD R034 240 NE QD 210 SE QD 160 SW QD 190 NW QD
AMP
SUBJ: TYPHOON 12W (DOLPHIN) WARNING NR 007
1. TYPHOON 12W (DOLPHIN) 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:
281200Z --- NEAR 13.4N 170.7E
MOVEMENT PAST SIX HOURS - 275 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 010 NM
POSITION BASED ON EYE FIXED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
005 NM SOUTHEAST QUADRANT
005 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
REPEAT POSIT: 13.4N 170.7E
---
FORECASTS:
12 HRS, VALID AT:
290000Z --- 14.1N 169.0E
MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 295 DEG/ 09 KTS
---
24 HRS, VALID AT:
291200Z --- 14.9N 167.3E
MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 305 DEG/ 09 KTS
---
36 HRS, VALID AT:
300000Z --- 15.9N 165.7E
MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 300 DEG/ 10 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
301200Z --- 16.9N 163.9E
MAX SUSTAINED WINDS - 155 KT, GUSTS 190 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
VECTOR TO 60 HR POSIT: 300 DEG/ 10 KTS
---
60 HRS, VALID AT:
310000Z --- 17.8N 162.1E
MAX SUSTAINED WINDS - 160 KT, GUSTS 195 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 300 DEG/ 09 KTS
---
72 HRS, VALID AT:
311200Z --- 18.8N 160.4E
MAX SUSTAINED WINDS - 165 KT, GUSTS 200 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
130 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 305 DEG/ 11 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
011200Z --- 21.3N 156.6E
MAX SUSTAINED WINDS - 160 KT, GUSTS 195 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT
160 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 305 DEG/ 12 KTS
---
120 HRS, VALID AT:
021200Z --- 23.9N 152.2E
MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 070 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 110 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT
210 NM SOUTHEAST QUADRANT
160 NM SOUTHWEST QUADRANT
190 NM NORTHWEST QUADRANT
---
REMARKS:
281500Z POSITION NEAR 13.6N 170.3E.
28JUL26. TYPHOON 12W (DOLPHIN), LOCATED APPROXIMATELY 425 NM
SOUTHEAST OF WAKE ISLAND, HAS TRACKED WESTWARD AT 10 KNOTS OVER
THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 281200Z IS 960 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 281200Z IS 38 FEET. NEXT WARNINGS AT
282100Z, 290300Z, 290900Z AND 291500Z.//
1226072500 104N1716W 20
1226072506 107N1727W 20
1226072512 110N1738W 20
1226072518 114N1749W 20
1226072600 117N1760W 20
1226072606 120N1774W 25
1226072612 125N1789W 25
1226072618 128N1798E 25
1226072700 131N1783E 30
1226072706 132N1767E 35
1226072712 132N1752E 40
1226072718 131N1737E 45
1226072800 131N1728E 60
1226072800 131N1728E 60
1226072806 133N1717E 75
1226072806 133N1717E 75
1226072806 133N1717E 75
1226072812 134N1707E 100
1226072812 134N1707E 100
1226072812 134N1707E 100
NNNN

Original Message :

WTPQ31 PGUM 280918
TCPPQ1

BULLETIN
Typhoon Dolphin (12W) Advisory Number 6
National Weather Service Tiyan GU WP122026
718 PM ChST Tue Jul 28 2026

...DOLPHIN UPGRADED TO TYPHOON AS IT CONTINUES WESTWARD, RAPIDLY
INTENSIFYING NORTH OF THE MARSHALL ISLANDS...

CHANGES WITH THIS ADVISORY
--------------------------
Dolphin has been upgraded to a typhoon.

WATCHES AND WARNINGS
--------------------
Residents of Wake Island should carefully monitor the progress of
Typhoon Dolphin.

SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION
-----------------------------------------------
Location...13.4N 171.2E

About 175 miles north-northeast of Utirik
About 280 miles north-northeast of Wotje
About 435 miles north of Majuro
About 505 miles southeast of Wake
About 790 miles northeast of Kosrae
About 985 miles east-northeast of Pohnpei
About 1770 miles east of Guam

Maximum sustained winds...85 mph
Present movement...west...280 degrees at 13 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 PM CHST...0900 UTC...the center of Typhoon Dolphin was
located near Latitude 13.4 degrees North and Longitude 171.2
degrees East. Dolphin is moving west at 13 mph. It is expected to
make a slight turn toward the west-northwest with little change in
forward speed through Wednesday. Dolphin then looks to pass south
of Wake Island around Thursday as it turns toward the northwest,
moving over the open ocean between Wake and the far northern CNMI
through the end of the week. Typhoon Dolphin is not expected to
impact the Marianas. However, residents of Wake Island should
monitor the progression of Typhoon Dolphin, as an early northwest
turn could bring damaging conditions there.

Maximum sustained winds have increased to 85 mph. Dolphin is
forecast to rapidly intensify tover the next few days, possibly
becoming a super typhoon around Thursday night.

Typhoon force winds extend outward from the center up to
15 miles. Tropical storm force winds extend outward from the
center up to 80 miles.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 200 AM ChST early Wednesday morning.

$$

DeCou

Original Message :

WTPQ31 PGUM 280346
TCPPQ1

BULLETIN
Tropical Storm Dolphin (12W) Advisory Number 5
National Weather Service Tiyan GU WP122026
146 PM ChST Tue Jul 28 2026

...TROPICAL STORM DOLPHIN INTENSIFYING RAPIDLY NORTHEAST OF
UTIRIK...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

Residents of Wake Island should carefully monitor the progress of
Tropical Storm Dolphin.

SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION
-----------------------------------------------
Location...13.0N 172.3E

About 205 miles northeast of Utirik
About 280 miles north-northeast of Wotje
About 415 miles north of Majuro
About 575 miles southeast of Wake
About 1845 miles east of Guam

Maximum sustained winds...70 mph
Present movement...west...265 degrees at 10 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 PM CHST...0300 UTC...the center of Tropical Storm Dolphin
was located near Latitude 13.0 degrees North and Longitude
172.3 degrees East. Dolphin is moving west at 10 mph. It is
expected to make a slight turn toward the west-northwest with
little change in forward speed through Wednesday.

Maximum sustained winds have increased to 70 mph. Dolphin is
forecast to intensify over the next couple of days, possibly
becoming a typhoon Wednesday.

Tropical storm force winds extend outward from the center up to
100 miles to the north and up to 35 miles to the south.

NEXT ADVISORY
-------------

The next scheduled advisory will be issued by the National Weather
Service at 800 PM ChST.

$$

Kleeschulte

Original Message :

WTJP31 RJTD 280300
WARNING 280300.
WARNING VALID 290300.
TYPHOON WARNING.
SEVERE TROPICAL STORM 2613 DOLPHIN (2613) 985 HPA
AT 13.1N 172.3E MARSHALLS MOVING WEST 11 KNOTS.
POSITION FAIR.
MAX WINDS 60 KNOTS NEAR CENTER.
RADIUS OF OVER 50 KNOT WINDS 50 MILES.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTH SEMICIRCLE AND 120 MILES
ELSEWHERE.
FORECAST POSITION FOR 281500UTC AT 13.7N 170.1E WITH 35 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
975 HPA, MAX WINDS 70 KNOTS NEAR CENTER.
FORECAST POSITION FOR 290300UTC AT 14.4N 168.3E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
960 HPA, MAX WINDS 80 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPN51 PGTW 280300
WARNING ATCG MIL 12W NWP 260728013344
2026072800 12W DOLPHIN 005 01 265 09 SATL 040
T000 130N 1728E 060 R050 030 NE QD 000 SE QD 000 SW QD 025 NW QD R034 085 NE QD 030 SE QD 025 SW Q
D 080 NW QD
T012 132N 1709E 085 R064 010 NE QD 010 SE QD 000 SW QD 010 NW QD R050 030 NE QD 020 SE QD 010 SW Q
D 030 NW QD R034 080 NE QD 040 SE QD 030 SW QD 070 NW QD
T024 137N 1692E 105 R064 020 NE QD 020 SE QD 010 SW QD 020 NW QD R050 040 NE QD 030 SE QD 020 SW Q
D 040 NW QD R034 090 NE QD 050 SE QD 040 SW QD 090 NW QD
T036 145N 1677E 125 R064 020 NE QD 020 SE QD 020 SW QD 020 NW QD R050 040 NE QD 030 SE QD 030 SW Q
D 040 NW QD R034 110 NE QD 070 SE QD 050 SW QD 100 NW QD
T048 155N 1662E 140 R064 030 NE QD 020 SE QD 020 SW QD 020 NW QD R050 050 NE QD 030 SE QD 030 SW Q
D 050 NW QD R034 120 NE QD 090 SE QD 060 SW QD 110 NW QD
T060 166N 1644E 145 R064 030 NE QD 030 SE QD 020 SW QD 030 NW QD R050 050 NE QD 040 SE QD 030 SW Q
D 050 NW QD R034 130 NE QD 100 SE QD 070 SW QD 120 NW QD
T072 176N 1623E 145 R064 030 NE QD 030 SE QD 020 SW QD 030 NW QD R050 060 NE QD 040 SE QD 030 SW Q
D 050 NW QD R034 140 NE QD 110 SE QD 080 SW QD 140 NW QD
T096 193N 1592E 135 R064 040 NE QD 030 SE QD 030 SW QD 040 NW QD R050 080 NE QD 060 SE QD 050 SW Q
D 070 NW QD R034 170 NE QD 140 SE QD 110 SW QD 160 NW QD
T120 218N 1549E 135 R064 060 NE QD 050 SE QD 040 SW QD 060 NW QD R050 110 NE QD 090 SE QD 070 SW Q
D 090 NW QD R034 210 NE QD 180 SE QD 150 SW QD 190 NW QD
AMP
SUBJ: TROPICAL STORM 12W (DOLPHIN) WARNING NR 005
1. TROPICAL STORM 12W (DOLPHIN) 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:
280000Z --- NEAR 13.0N 172.8E
MOVEMENT PAST SIX HOURS - 265 DEGREES AT 09 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
000 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
REPEAT POSIT: 13.0N 172.8E
---
FORECASTS:
12 HRS, VALID AT:
281200Z --- 13.2N 170.9E
MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 285 DEG/ 09 KTS
---
24 HRS, VALID AT:
290000Z --- 13.7N 169.2E
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 300 DEG/ 08 KTS
---
36 HRS, VALID AT:
291200Z --- 14.5N 167.7E
MAX SUSTAINED WINDS - 125 KT, GUSTS 150 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 305 DEG/ 09 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
300000Z --- 15.5N 166.2E
MAX SUSTAINED WINDS - 140 KT, GUSTS 170 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
VECTOR TO 60 HR POSIT: 305 DEG/ 10 KTS
---
60 HRS, VALID AT:
301200Z --- 16.6N 164.4E
MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 295 DEG/ 11 KTS
---
72 HRS, VALID AT:
310000Z --- 17.6N 162.3E
MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 300 DEG/ 08 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
010000Z --- 19.3N 159.2E
MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
140 NM SOUTHEAST QUADRANT
110 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 305 DEG/ 12 KTS
---
120 HRS, VALID AT:
020000Z --- 21.8N 154.9E
MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 110 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 210 NM NORTHEAST QUADRANT
180 NM SOUTHEAST QUADRANT
150 NM SOUTHWEST QUADRANT
190 NM NORTHWEST QUADRANT
---
REMARKS:
280300Z POSITION NEAR 13.0N 172.3E.
28JUL26. TROPICAL STORM 12W (DOLPHIN), LOCATED APPROXIMATELY 520
NM SOUTHEAST OF WAKE ISLAND, HAS TRACKED WESTWARD AT 09 KNOTS
OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 280000Z IS 988 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 280000Z IS 25 FEET. NEXT WARNINGS AT
280900Z, 281500Z, 282100Z AND 290300Z.
//
1226072500 104N1716W 20
1226072506 107N1727W 20
1226072512 110N1738W 20
1226072518 114N1749W 20
1226072600 117N1760W 20
1226072606 120N1774W 25
1226072612 125N1789W 25
1226072618 128N1798E 25
1226072700 131N1783E 30
1226072706 132N1767E 35
1226072712 132N1752E 40
1226072718 131N1737E 45
1226072800 130N1728E 60
1226072800 130N1728E 60

Original Message :

WTJP31 RJTD 272100
WARNING 272100.
WARNING VALID 282100.
TYPHOON WARNING.
SEVERE TROPICAL STORM 2613 DOLPHIN (2613) 990 HPA
AT 13.1N 173.2E MARSHALLS MOVING WESTSOUTHWEST 13 KNOTS.
POSITION FAIR.
MAX WINDS 55 KNOTS NEAR CENTER.
RADIUS OF OVER 50 KNOT WINDS 40 MILES.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTH SEMICIRCLE AND 120 MILES
ELSEWHERE.
FORECAST POSITION FOR 280900UTC AT 13.5N 171.0E WITH 40 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
975 HPA, MAX WINDS 65 KNOTS NEAR CENTER.
FORECAST POSITION FOR 282100UTC AT 14.0N 169.1E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
965 HPA, MAX WINDS 75 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPQ31 PGUM 272117
TCPPQ1

BULLETIN
Tropical Storm Dolphin (12W) Advisory Number 4
National Weather Service Tiyan GU WP122026
717 AM ChST Tue Jul 28 2026

...TROPICAL STORM DOLPHIN MOVING WEST...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

Residents of Wake Island should carefully monitor the progress of
Tropical Storm Dolphin.

SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION
-----------------------------------------------
Location...13.2N 173.1E

About 260 miles east-northeast of Utirik
About 325 miles northeast of Wotje
About 440 miles north-northeast of Majuro
About 600 miles southeast of Wake
About 1900 miles east of Guam

Maximum sustained winds...50 mph
Present movement...west...270 degrees at 17 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 AM CHST...2100 UTC...the center of Tropical Storm Dolphin
was located near Latitude 13.2 degrees North and Longitude
173.1 degrees East. Dolphin is moving west at 17 mph. It is
expected to make a slight turn toward the west-northwest with a
decrease in forward speed through Wednesday.

Maximum sustained winds remain at 50 mph. Dolphin is forecast to
intensify over the next couple of days, possibly becoming a typhoon
Wednesday.

Tropical storm force winds extend outward from the center up to
100 miles to the north and 0 miles to the south.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National Weather
Service at 200 PM ChST.

$$

Kleeschulte

Original Message :

WTJP31 RJTD 271500
WARNING 271500.
WARNING VALID 281500.
STORM WARNING.
TROPICAL STORM 2613 DOLPHIN (2613) 998 HPA
AT 13.5N 174.5E MARSHALLS MOVING WEST 16 KNOTS.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 180 MILES NORTH SEMICIRCLE AND 120 MILES
ELSEWHERE.
FORECAST POSITION FOR 280300UTC AT 13.4N 172.1E WITH 35 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
990 HPA, MAX WINDS 50 KNOTS NEAR CENTER.
FORECAST POSITION FOR 281500UTC AT 13.7N 170.2E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
980 HPA, MAX WINDS 60 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPQ31 PGUM 271535
TCPPQ1

BULLETIN
Tropical Storm Dolphin (12W) Advisory Number 3
National Weather Service Tiyan GU WP122026
135 AM ChST Tue Jul 28 2026

...TROPICAL STORM DOLPHIN CONTINUES MOVING WEST, NORTHEAST OF
THE RMI...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

Residents of Wake Island should carefully monitor the
progress of Tropical Storm Dolphin.

SUMMARY OF 100 AM CHST...1500 UTC...INFORMATION
-----------------------------------------------
Location...13.6N 174.6E

About 360 miles east-northeast of Utirik
About 410 miles northeast of Wotje
About 505 miles north-northeast of Majuro
About 655 miles southeast of Wake
About 2000 miles east of Guam

Maximum sustained winds...50 mph
Present movement...west...280 degrees at 17 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 AM CHST...1500 UTC...the center of Tropical Storm Dolphin
was located near Latitude 13.6 degrees North and Longitude
174.6 degrees East. Dolphin is moving west at 17 mph. It is
expected to maintain this general course with a decrease in
forward speed through Tuesday, making a turn to the northwest
on Wednesday.

Maximum sustained winds have increased to 50 mph. Dolphin is
forecast to intensify through Wednesday.

Tropical storm force winds extend outward from the center up to
110 miles to the north and up to 0 miles to the south.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 800 AM ChST.

$$

Whisnant

Original Message :

WTJP31 RJTD 270900
WARNING 270900.
WARNING VALID 280900.
STORM WARNING.
TROPICAL STORM 2613 DOLPHIN (2613) 998 HPA
AT 13.5N 176.1E MIDWAYS MOVING WESTNORTHWEST 15 KNOTS.
POSITION FAIR.
MAX WINDS 40 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTH SEMICIRCLE AND 90 MILES
ELSEWHERE.
FORECAST POSITION FOR 272100UTC AT 13.1N 173.6E WITH 35 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 45 KNOTS NEAR CENTER.
FORECAST POSITION FOR 280900UTC AT 13.5N 171.6E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
985 HPA, MAX WINDS 55 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPQ31 PGUM 270921
TCPPQ1

BULLETIN
Tropical Storm Dolphin (12W) Advisory Number 2
National Weather Service Tiyan GU WP122026
721 PM ChST Mon Jul 27 2026

...12W UPGRADED TO TROPICAL STORM DOLPHIN AS IT CONTINUES WEST,
NORTHEAST OF THE RMI...

CHANGES WITH THIS ADVISORY
--------------------------
12W was upgraded to Tropical Storm Dolphin.

WATCHES AND WARNINGS
--------------------
None.

Residents of Wake Island should carefully monitor the progress of
Tropical Storm Dolphin.

SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION
-----------------------------------------------
Location...13.5N 176.0E

About 445 miles east-northeast of Utirik
About 480 miles northeast of Wotje
About 545 miles northeast of Majuro
About 735 miles east-southeast of Wake Island
About 2095 miles east of Guam

Maximum sustained winds...40 mph
Present movement...west...280 degrees at 18 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 PM CHST...0900 UTC...the center of Tropical Storm Dolphin
was located near Latitude 13.5 degrees North and Longitude
176.0 degrees East. Dolphin is moving west at 18 mph. It is
expected to maintain this general course with a decrease in
forward speed through Tuesday, making a turn to the northwest
around Wednesday.

Maximum sustained winds have increased to 40 mph. Dolphin is
forecast to intensify through Tuesday, potentially becoming a
typhoon Tuesday night.

Tropical storm force winds extend outward from the center up to
110 miles to the north.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 200 AM ChST early Tuesday morning.

$$

DeCou

Original Message :

WTPQ31 PGUM 270340
TCPPQ1

BULLETIN
Tropical Depression 12W Advisory Number 1
National Weather Service Tiyan GU WP122026
140 PM ChST Mon Jul 27 2026

...TROPICAL DEPRESSION 12W FORMS EAST-NORTHEAST OF UTIRIK AS IT
CROSSED THE DATE LINE FROM THE EAST...

CHANGES WITH THIS ADVISORY
--------------------------
This is the first advisory on Tropical Depression 12W.

WATCHES AND WARNINGS
--------------------
None.

SUMMARY OF 100 PM CHST...0300 UTC...INFORMATION
-----------------------------------------------
Location...12.8N 177.6E

About 540 miles east-northeast of Utirik
About 550 miles east-northeast of Wotje
About 585 miles northeast of Majuro
About 850 miles east-southeast of Wake Island
About 2205 miles east of Guam

Maximum sustained winds...35 mph
Present movement...west...275 degrees at 16 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 PM CHST...0300 UTC...the center of Tropical Depression 12W
was located near Latitude 12.8 degrees North and Longitude
177.6 degrees East. 12W is moving west at 16 mph. It is expected
to maintain this general course with a slight decrease in forward
speed through Tuesday.

Maximum sustained winds are 35 mph. 12W is forecast to intensify
through tonight, possibly becoming a tropical storm.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National Weather
Service in Tiyan, Guam at 800 PM ChST this evening.

$$

Montvila

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