WTPN31 PGTW 040300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 21W (PEIPAH) WARNING NR 003// RMKS/ 1. TROPICAL STORM 21W (PEIPAH) WARNING NR 003 UPGRADED FROM TROPICAL DEPRESSION 21W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 040000Z --- NEAR 29.7N 131.1E MOVEMENT PAST SIX HOURS - 360 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 29.7N 131.1E --- FORECASTS: 12 HRS, VALID AT: 041200Z --- 32.0N 132.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 050 DEG/ 16 KTS --- 24 HRS, VALID AT: 050000Z --- 34.0N 135.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 075 DEG/ 16 KTS --- 36 HRS, VALID AT: 051200Z --- 34.9N 138.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 090 DEG/ 17 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 060000Z --- 34.9N 142.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT --- REMARKS: 040300Z POSITION NEAR 30.3N 131.4E. 04SEP25. TROPICAL STORM 21W (PEIPAH), LOCATED APPROXIMATELY 216 NM SOUTH-SOUTHEAST OF SASEBO, JAPAN, HAS TRACKED NORTHWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 040000Z IS 999 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 040000Z IS 18 FEET. NEXT WARNINGS AT 040900Z, 041500Z, 042100Z AND 050300Z.// NNNN