WTPN31 PGTW 221500 1. TROPICAL STORM 19W (KAEMI) WARNING NR 010 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 221200Z7 --- NEAR 16.4N1 107.1E9 MOVEMENT PAST SIX HOURS - 285 DEGREES AT 12 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 DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND REPEAT POSIT: 16.4N1 107.1E9 --- FORECASTS: 12 HRS, VALID AT: 230000Z5 --- 17.0N8 105.3E9 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 295 DEG/ 08 KTS --- 24 HRS, VALID AT: 231200Z8 --- 17.7N5 103.8E2 MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 221500Z0 POSITION NEAR 16.6N3 106.7E4. TROPICAL STORM (TS) 19W (KAEMI), LOCATED APPROXIMATELY 30 NM WEST OF HUE, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD AT 12 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 221130Z9 INFRARED SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 35 AND 45 KNOTS, AND SYNOPTIC OBSERVATIONS NOT EXCEEDING 20 KNOTS. ANIMATED ENHANCED SATELLITE IMAGERY INDICATES THE SYSTEM HAS DISSIPATED RAPIDLY SINCE MAKING LANDFALL APPROXIMATELY 5 HOURS AGO. CONVECTION HAS BEEN COMPLETELY SHEARED AWAY FROM THE LOW LEVEL, WHICH HAS BECOME VERY DIFFICULT TO FIND IN THE INFRARED IMAGERY. RECENT MICROWAVE IMAGERY SHOWS A POSIBLE LOW LEVEL CIRCULATION IN CENTRAL LAOS. TS 19W IS FORECAST TO MAINTAIN ITS WEST-NORTHWESTWARD TRACK AS IT DISSIPATES OVER CENTRAL THAILAND WITHIN 24 HOURS.MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221200Z IS 08 FEET. REFER TO WPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 222100Z7 (DTG 221951Z0), 230300Z8 (DTG 230151Z2) AND 230900Z4 (DTG 230751Z8). REFER TO TROPICAL CYCLONE 18W (BILIS) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//