WTPN31 PGTW 010900 1. TROPICAL STORM 08W (CHATAAN) WARNING NR 014 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 010600Z7 --- NEAR 6.5N1 155.1E2 MOVEMENT PAST SIX HOURS - 290 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 6.5N1 155.1E2 --- FORECASTS: 12 HRS, VALID AT: 011800Z0 --- 7.4N1 154.0E0 MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 020 NM RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 310 DEG/ 08 KTS --- 24 HRS, VALID AT: 020600Z8 --- 8.4N2 152.8E6 MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT RADIUS OF 050 KT WINDS - 025 NM RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT OVER WATER 085 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 310 DEG/ 10 KTS --- 36 HRS, VALID AT: 021800Z1 --- 9.6N5 151.3E0 MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT RADIUS OF 050 KT WINDS - 030 NM RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 305 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 030600Z9 --- 10.7N8 149.6E0 MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT RADIUS OF 050 KT WINDS - 035 NM RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 095 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 300 DEG/ 10 KTS --- 72 HRS, VALID AT: 040600Z0 --- 12.9N2 146.0E1 MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT RADIUS OF 050 KT WINDS - 045 NM RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT --- REMARKS: 010900Z0 POSITION NEAR 6.7N3 154.8E8. TROPICAL STORM (TS) 08W (CHATAAN), LOCATED APPROXIMATELY 200 NM EAST-SOUTHEAST OF CHUUK, HAS TRACKED WESTWARD AT 05 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 010530Z9 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 45 AND 55 KNOTS. ANIMATED SATELLITE IMAGERY SHOWS THAT THE DEEP CONVECTION HAS BEEN CYCLING WEST OF THE LOW LEVEL CIRCULATION CENTER (LLCC). MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z7 IS 17 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 011500Z7, 012100Z4, 020300Z5 AND 020900Z1. REFER TO TROPICAL STORM 09W (RAMMASUN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN