WTPN32 PGTW 120900

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//

SUBJ/TROPICAL CYCLONE WARNING//

RMKS/

1. TROPICAL STORM 18W (YAGI) WARNING NR 023

   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC

   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

   WIND RADII VALID OVER OPEN WATER ONLY

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   WARNING POSITION:

   120600Z --- NEAR 26.6N 123.7E

     MOVEMENT PAST SIX HOURS - 320 DEGREES AT 12 KTS

     POSITION ACCURATE TO WITHIN 045 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 - 125 NM NORTHEAST QUADRANT

                            085 NM SOUTHEAST QUADRANT

                            085 NM SOUTHWEST QUADRANT

                            125 NM NORTHWEST QUADRANT

   REPEAT POSIT: 26.6N 123.7E

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   FORECASTS:

   12 HRS, VALID AT:

   121800Z --- 28.9N 121.1E

   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

   VECTOR TO 24 HR POSIT: 320 DEG/ 17 KTS

    ---

   24 HRS, VALID AT:

   130600Z --- 31.4N 118.4E

   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT

   WIND RADII VALID OVER OPEN WATER ONLY

   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

    ---

REMARKS:

120900Z POSITION NEAR 27.2N 123.1E.

TROPICAL STORM 18W (YAGI), LOCATED APPROXIMATELY 149 NM NORTHEAST

OF TAIPEI, TAIWAN, HAS TRACKED NORTHWESTWARD AT 12 KNOTS OVER THE

PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 120600Z IS 12

FEET. NEXT WARNINGS AT 121500Z, 122100Z AND 130300Z. REFER TO

TROPICAL STORM 19W (LEEPI) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY

UPDATES.//

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