WTPN31 PGTW 080900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 009// RMKS/ 1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 009 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 080600Z --- NEAR 23.9N 146.9E MOVEMENT PAST SIX HOURS - 220 DEGREES AT 01 KTS POSITION ACCURATE TO WITHIN 020 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: 23.9N 146.9E --- FORECASTS: 12 HRS, VALID AT: 081800Z --- 25.2N 147.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 010 DEG/ 11 KTS --- 24 HRS, VALID AT: 090600Z --- 27.3N 147.9E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 015 DEG/ 13 KTS --- 36 HRS, VALID AT: 091800Z --- 29.8N 148.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 020 DEG/ 16 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 100600Z --- 32.8N 149.9E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 025 DEG/ 20 KTS --- 72 HRS, VALID AT: 110600Z --- 40.0N 154.3E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT 210 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 020 DEG/ 16 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 120600Z --- 46.1N 157.5E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 220 NM NORTHWEST QUADRANT --- REMARKS: 080900Z POSITION NEAR 24.2N 147.0E. 08OCT24. TROPICAL DEPRESSION 21W (TWENTYONE), LOCATED APPROXIMATELY 311 NM EAST OF IWO TO, HAS TRACKED SOUTHWESTWARD AT 01 KNOT OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 080600Z IS 1002 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080600Z IS 14 FEET. NEXT WARNINGS AT 081500Z, 082100Z, 090300Z AND 090900Z.// NNNN