WTPN31 PGTW 280900 1. TYPHOON 21W (RUSA) WARNING NR 024 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 280600Z6 --- NEAR 25.7N4 135.1E0 MOVEMENT PAST SIX HOURS - 290 DEGREES AT 14 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT REPEAT POSIT: 25.7N4 135.1E0 --- FORECASTS: 12 HRS, VALID AT: 281800Z9 --- 26.8N6 132.5E1 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 185 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 295 DEG/ 13 KTS --- 24 HRS, VALID AT: 290600Z7 --- 27.9N8 129.8E0 MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 185 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 185 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 305 DEG/ 08 KTS --- 36 HRS, VALID AT: 291800Z0 --- 28.8N8 128.4E5 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 060 NM RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 115 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 325 DEG/ 07 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 300600Z9 --- 30.0N3 127.4E4 MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT RADIUS OF 050 KT WINDS - 055 NM RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 345 DEG/ 08 KTS --- 72 HRS, VALID AT: 310600Z0 --- 33.0N6 126.3E2 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 050 NM RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 155 NM NORTHWEST QUADRANT --- REMARKS: 280900Z9 POSITION NEAR 26.0N8 134.4E2. TYPHOON (TY) 21W (RUSA), LOCATED APPROXIMATELY 400 NM EAST OF KADENA, OKINAWA, HAS TRACKED WEST-NORTHWESTWARD AT 14 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 280530Z8 MUlTI SPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 77 AND 90 KNOTS. ANIMATED WATER VAPOR IMAGERY INDICATES IMPROVED OUTFLOW IN THE WESTERN QUADRANTS AND LESS DRY AIR ENTRAINMENT OVER THE LAST 12 HOURS. ANIMATED MULTI SPECTRAL SATELLITE IMAGERY REVEALS THE SYSTEM HAS A 23 NM WIDE BANDING EYE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 280600Z6 IS 35 FEET. REFER TO WWPN31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 281500Z6, 282100Z3, 290300Z4 AND 290900Z0.// NNNN