WTPN31 PGTW 180900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/180021ZAUG2025//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 17W (SEVENTEEN) 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:
   180600Z --- NEAR 19.5N 107.3E
     MOVEMENT PAST SIX HOURS - 305 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 050 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE, RADAR AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 19.5N 107.3E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   181800Z --- 20.6N 107.1E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 355 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   190600Z --- 22.1N 106.9E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 36 HR POSIT: 355 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   191800Z --- 23.7N 106.8E
   MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
180900Z POSITION NEAR 19.8N 107.2E.
18AUG25. TROPICAL DEPRESSION 17W (SEVENTEEN), LOCATED
APPROXIMATELY 120 NM SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED
NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 180600Z IS 1001 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 180600Z IS 11 FEET. NEXT WARNINGS AT
181500Z, 182100Z, 190300Z AND 190900Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 180030).
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