WTPN31 PGTW 180900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 31W (TALAS) WARNING NR 034 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 180600Z5 --- NEAR 15.2N8 130.9E3 MOVEMENT PAST SIX HOURS - 325 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT REPEAT POSIT: 15.2N8 130.9E3 --- FORECASTS: 12 HRS, VALID AT: 181800Z8 --- 16.3N0 130.2E6 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 360 DEG/ 07 KTS --- 24 HRS, VALID AT: 190600Z6 --- 17.6N4 130.2E6 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 36 HR POSIT: 035 DEG/ 08 KTS --- 36 HRS, VALID AT: 191800Z9 --- 18.9N8 131.2E7 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT BECOMING EXTRATROPICAL VECTOR TO 48 HR POSIT: 060 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 200600Z8 --- 19.8N8 133.0E7 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT BECOMING EXTRATROPICAL VECTOR TO 72 HR POSIT: 085 DEG/ 12 KTS --- 72 HRS, VALID AT: 210600Z9 --- 20.3N5 138.2E4 MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT EXTRATROPICAL --- REMARKS: 180900Z8 POSITION NEAR 15.5N1 130.7E1. TROPICAL STORM (TS) 31W (TALAS) LOCATED APPROXIMATELY 820 NM SOUTHWEST OF IWO JIMA, HAS TRACKED NORTH-NORTHWESTWARD AT 05 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 180530Z7 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 35 AND 45 KNOTS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 180600Z5 IS 16 FEET. REFER TO WWPW30 PHNC FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 181500Z5, 182100Z2, 190300Z3 AND 190900Z9. REFER TO TROPICAL STORM 32W (NONAME) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//