WTPN31 PGTW 241500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/240751ZSEP2024//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 18W (EIGHTEEN) 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:
   241200Z --- NEAR 27.9N 135.1E
     MOVEMENT PAST SIX HOURS - 075 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 045 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: 27.9N 135.1E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   250000Z --- 28.2N 135.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            035 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 315 DEG/ 04 KTS
    ---
   24 HRS, VALID AT:
   251200Z --- 28.8N 134.6E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
                            035 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 335 DEG/ 04 KTS
    ---
   36 HRS, VALID AT:
   260000Z --- 29.6N 134.2E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 020 DEG/ 08 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   261200Z --- 31.1N 134.8E
   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 72 HR POSIT: 045 DEG/ 11 KTS
    ---
   72 HRS, VALID AT:
   271200Z --- 34.1N 138.4E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
241500Z POSITION NEAR 28.0N 135.1E.
24SEP24. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED APPROXIMATELY
502 NM SOUTH-SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED EAST-
NORTHEASTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL
PRESSURE AT 241200Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT
241200Z IS 10 FEET. NEXT WARNINGS AT 242100Z, 250300Z, 250900Z AND
251500Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 240800).//
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