WTPN31 PGTW 070900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 21W (TWENTYONE) WARNING NR 005// RMKS/ 1. TROPICAL STORM 21W (TWENTYONE) WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 070600Z --- NEAR 21.7N 146.5E MOVEMENT PAST SIX HOURS - 030 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 020 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 - 050 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 21.7N 146.5E --- FORECASTS: 12 HRS, VALID AT: 071800Z --- 23.3N 147.1E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 020 DEG/ 06 KTS --- 24 HRS, VALID AT: 080600Z --- 24.4N 147.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 020 DEG/ 09 KTS --- 36 HRS, VALID AT: 081800Z --- 26.1N 148.2E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 030 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 090600Z --- 27.6N 149.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 020 DEG/ 14 KTS --- 72 HRS, VALID AT: 100600Z --- 32.8N 151.6E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 030 DEG/ 19 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 110600Z --- 39.2N 156.2E MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 190 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 430 NM NORTHEAST QUADRANT 240 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 250 NM NORTHWEST QUADRANT VECTOR TO 120 HR POSIT: 040 DEG/ 16 KTS --- 120 HRS, VALID AT: 120600Z --- 44.1N 161.6E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 190 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 400 NM NORTHEAST QUADRANT 280 NM SOUTHEAST QUADRANT 240 NM SOUTHWEST QUADRANT 210 NM NORTHWEST QUADRANT --- REMARKS: 070900Z POSITION NEAR 22.1N 146.7E. 07OCT24. TROPICAL STORM 21W (TWENTYONE), LOCATED APPROXIMATELY 342 NM EAST-SOUTHEAST OF IWO TO, HAS TRACKED NORTH-NORTHEASTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 070600Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 070600Z IS 19 FEET. NEXT WARNINGS AT 071500Z, 072100Z, 080300Z AND 080900Z.// NNNN