MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/210251Z SEP 15// AMPN/TROPICAL CYCLONE FORMATION ALERT// RMKS/ 1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 211800Z --- NEAR 15.6N 141.7E MOVEMENT PAST SIX HOURS - 275 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 15.6N 141.7E --- FORECASTS: 12 HRS, VALID AT: 220600Z --- 16.1N 139.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 290 DEG/ 09 KTS --- 24 HRS, VALID AT: 221800Z --- 16.7N 138.1E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 285 DEG/ 07 KTS --- 36 HRS, VALID AT: 230600Z --- 17.1N 136.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 295 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 231800Z --- 17.6N 135.4E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 085 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 330 DEG/ 06 KTS --- 72 HRS, VALID AT: 241800Z --- 19.6N 134.1E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 105 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT VECTOR TO 96 HR POSIT: 340 DEG/ 07 KTS --- LONG RANGE OUTLOOK: --- 96 HRS, VALID AT: 251800Z --- 22.3N 133.1E MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 120 HR POSIT: 340 DEG/ 07 KTS --- 120 HRS, VALID AT: 261800Z --- 24.8N 132.1E MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT WIND RADII VALID OVER OPEN WATER ONLY --- REMARKS: 212100Z POSITION NEAR 15.7N 141.2E. TROPICAL DEPRESSION 21W (TWENTYONE), LOCATED APPROXIMATELY 214 NM NORTHWEST OF NAVSTA GUAM, HAS TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211800Z IS 10 FEET. NEXT WARNINGS AT 220300Z, 220900Z, 221500Z AND 222100Z. THIS WARNING SUPERSEDES AND CANELCES REF A, JOINT TYPHOON WRNCEN PEARL HARBOR HI 210251Z SEP 15 TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 210300).// NNNN NNNN