WTPN31 PGTW 071500 1. TYPHOON 08W (CHATAAN) WARNING NR 039 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 071200Z0 --- NEAR 20.2N4 134.9E7 MOVEMENT PAST SIX HOURS - 300 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 130 NM NORTHWEST QUADRANT REPEAT POSIT: 20.2N4 134.9E7 --- FORECASTS: 12 HRS, VALID AT: 080000Z8 --- 22.0N4 133.0E7 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT 135 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 330 DEG/ 12 KTS --- 24 HRS, VALID AT: 081200Z1 --- 24.1N7 131.6E1 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 340 DEG/ 12 KTS --- 36 HRS, VALID AT: 090000Z9 --- 26.4N2 130.7E1 MAX SUSTAINED WINDS - 120 KT, GUSTS 145 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 145 NM VECTOR TO 48 HR POSIT: 010 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 091200Z2 --- 28.6N6 131.1E6 MAX SUSTAINED WINDS - 115 KT, GUSTS 140 KT RADIUS OF 100 KT WINDS - 020 NM RADIUS OF 050 KT WINDS - 040 NM RADIUS OF 034 KT WINDS - 140 NM VECTOR TO 72 HR POSIT: 020 DEG/ 11 KTS --- 72 HRS, VALID AT: 101200Z4 --- 32.9N4 132.9E5 MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT RADIUS OF 050 KT WINDS - 040 NM RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT OVER WATER 120 NM NORTHWEST QUADRANT OVER WATER --- REMARKS: 071500Z3 POSITION NEAR 20.6N8 134.4E2. TYPHOON (TY) 08W (CHATAAN), LOCATED APPROXIMATELY 535 NM SOUTHEAST OF OKINAWA, HAS TRACKED WEST-NORTHWESTWARD AT 13 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 071130Z2 ENHANCED INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 115 AND 127 KNOTS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY SHOWS THE SYSTEM HAS A WELL DEFINED 24 NM DIAMETER EYE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z0 IS 30 FEET. REFER TO WWPN31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 072100Z0, 080300Z1, 080900Z7 AND 081500Z4. REFER TO TROPICAL DEPRESSION 10W WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN