WTPN32 PGTW 040900 1. TYPHOON 09W (RAMMASUN) WARNING NR 025 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 040600Z0 --- NEAR 27.8N7 124.2E9 MOVEMENT PAST SIX HOURS - 345 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON EYE FIXED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 110 NM RADIUS OF 034 KT WINDS - 250 NM NORTHEAST QUADRANT 220 NM SOUTHEAST QUADRANT OVER WATER 180 NM SOUTHWEST QUADRANT 210 NM NORTHWEST QUADRANT OVER WATER REPEAT POSIT: 27.8N7 124.2E9 --- FORECASTS: 12 HRS, VALID AT: 041800Z3 --- 30.3N6 123.3E9 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 085 NM RADIUS OF 034 KT WINDS - 165 NM OVER WATER VECTOR TO 24 HR POSIT: 355 DEG/ 12 KTS --- 24 HRS, VALID AT: 050600Z1 --- 32.6N1 123.0E6 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 070 NM RADIUS OF 034 KT WINDS - 140 NM OVER WATER VECTOR TO 36 HR POSIT: 360 DEG/ 09 KTS --- 36 HRS, VALID AT: 051800Z4 --- 34.4N1 123.1E7 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 050 KT WINDS - 065 NM RADIUS OF 034 KT WINDS - 135 NM VECTOR TO 48 HR POSIT: 020 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 060600Z2 --- 36.2N1 123.9E5 MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 050 KT WINDS - 020 NM RADIUS OF 034 KT WINDS - 075 NM VECTOR TO 72 HR POSIT: 020 DEG/ 07 KTS --- 72 HRS, VALID AT: 070600Z3 --- 38.8N9 125.1E9 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 055 NM OVER WATER --- REMARKS: 040900Z3 POSITION NEAR 28.4N4 124.0E7. TYPHOON (TY) 09W (RAMMASUN), LOCATED APPROXIMATELY 206 NM NORTHWEST OF KADENA AB, OKINAWA, HAS TRACKED NORTH-NORTHWESTWARD AT 10 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 040530Z2 VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 102 KNOTS. SATELLITE ANIMATION DEPICTS THAT THE QUASI-STATIONARY LONG WAVE TROUGH SITUATED OVER THE COAST OF CHINA HAS BEGUN TO INFLUENCE THE WESTERN SEMI-CIRCLE OF 09W. MULTI-SPECTRAL AND MICROWAVE IMAGERY REVEAL THAT THE CONVECTION HAS WEAKENED CONSIDERABLY. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 040600Z0 IS 36 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 041500Z0, 042100Z7, 050300Z8 AND 050900Z4. REFER TO TYPHOON 08W (CHATAAN) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN