WTPN31 PGTW 190900 MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 31W (TALAS) WARNING NR 038 DOWNGRADED FROM TROPICAL STORM 31W 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 190600Z6 --- NEAR 18.3N2 130.8E2 MOVEMENT PAST SIX HOURS - 360 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT REPEAT POSIT: 18.3N2 130.8E2 --- FORECASTS: 12 HRS, VALID AT: 191800Z9 --- 20.2N4 131.4E9 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT BECOMING EXTRATROPICAL VECTOR TO 24 HR POSIT: 060 DEG/ 13 KTS --- 24 HRS, VALID AT: 200600Z8 --- 21.6N9 133.8E5 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT BECOMING EXTRATROPICAL VECTOR TO 36 HR POSIT: 080 DEG/ 20 KTS --- 36 HRS, VALID AT: 201800Z1 --- 22.4N8 138.0E2 MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT EXTRATROPICAL --- REMARKS: 190900Z9 POSITION NEAR 18.8N7 130.9E3. TROPICAL DEPRESSION (TD) 31W (TALAS) LOCATED APPROXIMATELY 700 NM WEST-SOUTHWEST OF IWO JIMA, HAS TRACKED NORTHWARD AT 05 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 190530Z8 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 30 AND 35 KNOTS. ANI- MATED SATELLITE IMAGERY INDICATES THAT THE LOW LEVEL CIRCULATION CENTER HAS BECOME DECOUPLED FROM THE DEEP CONVECTION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 190600Z6 IS 14 FEET. REFER TO WWPW30 PHNC FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 191500Z6, 192100Z3, 200300Z5 AND 200900Z1. REFER TO TROPICAL STORM 32W (NORU) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// BT #0001 NNNN