WTPN31 PGTW 290300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 20W (TWENTY) WARNING NR 004//
RMKS/
1. TROPICAL DEPRESSION 20W (TWENTY) 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:
   290000Z --- NEAR 16.1N 113.2E
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 020 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 16.1N 113.2E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   291200Z --- 16.9N 111.2E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            055 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 280 DEG/ 12 KTS
    ---
   24 HRS, VALID AT:
   300000Z --- 17.4N 108.7E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            045 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            055 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 275 DEG/ 15 KTS
    ---
   36 HRS, VALID AT:
   301200Z --- 17.7N 105.5E
   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 48 HR POSIT: 270 DEG/ 15 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   310000Z --- 17.7N 102.3E
   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 72 HR POSIT: 265 DEG/ 10 KTS
    ---
   72 HRS, VALID AT:
   010000Z --- 17.4N 98.3E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
290300Z POSITION NEAR 16.3N 112.7E. 29AUG25. TROPICAL DEPRESSION 20W 
(TWENTY), LOCATED APPROXIMATELY 283 NM EAST OF DA NANG, VIETNAM, HAS 
TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. 
MINIMUM CENTRAL PRESSURE AT 290000Z IS 1001 MB. MAXIMUM SIGNIFICANT 
WAVE HEIGHT AT 290000Z IS 13 FEET. NEXT WARNINGS AT 290900Z, 291500Z, 
292100Z AND 300300Z.//
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