WTPN31 PGTW 190900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE FINAL WARNING// RMKS/ 1. TROPICAL DEPRESSION 31W (KIROGI) WARNING NR 008 DOWNGRADED FROM TROPICAL STORM 31W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 190600Z --- NEAR 11.5N 109.0E MOVEMENT PAST SIX HOURS - 290 DEGREES AT 15 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND REPEAT POSIT: 11.5N 109.0E --- FORECASTS: 12 HRS, VALID AT: 191800Z --- 11.8N 106.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 270 DEG/ 14 KTS --- 24 HRS, VALID AT: 200600Z --- 11.7N 103.4E MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 190900Z POSITION NEAR 11.6N 108.3E. TROPICAL DEPRESSION (TD) 31W (KIROGI), LOCATED APPROXIMATELY 142 NM EAST-NORTHEAST OF HO CHI MINH CITY, VIETNAM, HAS TRACKED WEST- NORTHWESTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. TD 31W MADE LANDFALL AT 19/06Z APPROXIMATELY 30NM SOUTH-SOUTHWEST OF CAM RANH BAY (VVCR), WHICH REPORTED MAXIMUM SUSTAINED SURFACE WINDS OF 20 KNOTS WITH MINIMUM SLP NEAR 1006MB. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A RAPIDLY-WEAKENING, EXPOSED LOW-LEVEL CIRCULATION CENTER WITH FLARING DEEP CONVECTION. THE CURRENT INTENSITY IS ASSESSED AT 30 KNOTS BASED ON A DVORAK ESTIMATE OF T2.0 FROM KNES. TD 31W IS TRACKING WEST-NORTHWESTWARD AND WILL CONTINUE TRACKING GENERALLY WESTWARD THROUGH THE FORECAST PERIOD. THE SYSTEM IS EXPECTED TO DISSIPATE WITHIN THE NEXT 12 HOURS. OVERALL, THERE IS HIGH CONFIDENCE IN THE JTWC FORECAST TRACK. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION.//