WTPN31 PGTW 300300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 20W (NONGFA) WARNING NR 008//
RMKS/
1. TROPICAL STORM 20W (NONGFA) WARNING NR 008    
   UPGRADED FROM TROPICAL DEPRESSION 20W
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   300000Z --- NEAR 17.5N 108.2E
     MOVEMENT PAST SIX HOURS - 280 DEGREES AT 11 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            060 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   REPEAT POSIT: 17.5N 108.2E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   301200Z --- 17.7N 104.8E
   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 24 HR POSIT: 265 DEG/ 16 KTS
    ---
   24 HRS, VALID AT:
   310000Z --- 17.5N 101.5E
   MAX SUSTAINED WINDS - 010 KT, GUSTS 020 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
300300Z POSITION NEAR 17.6N 107.4E.
30AUG25. TROPICAL STORM 20W (NONGFA), LOCATED APPROXIMATELY 90 NM
NORTH OF DA NANG, VIETNAM, HAS TRACKED WESTWARD AT 11 KNOTS OVER
THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 300000Z IS 993 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 300000Z IS 20 FEET. NEXT WARNINGS AT
300900Z, 301500Z AND 302100Z.
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