WTPN31 PGTW 290300 1. TYPHOON 21W (RUSA) WARNING NR 027 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 290000Z1 --- NEAR 27.3N2 131.5E0 MOVEMENT PAST SIX HOURS - 295 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 160 NM SOUTHEAST QUADRANT 160 NM SOUTHWEST QUADRANT 180 NM NORTHWEST QUADRANT REPEAT POSIT: 27.3N2 131.5E0 --- FORECASTS: 12 HRS, VALID AT: 291200Z4 --- 28.2N2 129.6E8 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 165 NM SOUTHWEST QUADRANT OVER WATER 180 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 315 DEG/ 07 KTS --- 24 HRS, VALID AT: 300000Z3 --- 29.2N3 128.4E5 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT OVER WATER 150 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT OVER WATER 170 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 330 DEG/ 07 KTS --- 36 HRS, VALID AT: 301200Z6 --- 30.5N8 127.6E6 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT OVER WATER 150 NM SOUTHEAST QUADRANT 150 NM SOUTHWEST QUADRANT 170 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 340 DEG/ 08 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 310000Z4 --- 32.1N6 127.0E0 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 165 NM NORTHEAST QUADRANT OVER WATER 140 NM SOUTHEAST QUADRANT 125 NM SOUTHWEST QUADRANT 145 NM NORTHWEST QUADRANT OVER WATER VECTOR TO 72 HR POSIT: 360 DEG/ 09 KTS --- 72 HRS, VALID AT: 010000Z1 --- 35.6N4 127.0E0 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 055 NM OVER WATER RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT OVER WATER 135 NM SOUTHEAST QUADRANT OVER WATER 110 NM SOUTHWEST QUADRANT OVER WATER 120 NM NORTHWEST QUADRANT OVER WATER --- REMARKS: 290300Z4 POSITION NEAR 27.5N4 131.0E5. TYPHOON (TY) 21W (RUSA), LOCATED APPROXIMATELY 180 NM EAST-NORTHEAST OF KADENA, OKINAWA, HAS TRACKED WEST-NORTHWESTWARD AT 12 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 282330Z8 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 77 KNOTS AND SYNOPTIC DATA. ANIMATED VISIBLE SATELLITE IMAGERY, A 282201Z5 AND A 283458Z0 SPECIAL SENSOR MICROWAVE IMAGER (SSM/I) PASS REVEAL THAT THE DEEP CONVECTION HAS INCREASED IN ALL QUADRANTS AND TIGHT SPIRAL BANDING FEATURES REMAIN. RADAR AND SYNOPTIC REPORTS INDICATE THAT THE WIND FIELD FOR THIS SYTEM CONTINUES TO INCREASE IN ALL QUADRANTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 290000Z1 IS 35 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 290900Z0, 291500Z7, 292100Z4 AND 300300Z6. REFER TO TROPICAL DEPRESSION 22W WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN