** WTPN31 PGTW 200900 *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 25W WARNING NR 008 DOWNGRADED FROM TROPICAL STORM 25W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 200600Z --- NEAR 8.5N 109.1E MOVEMENT PAST SIX HOURS - 265 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 8.5N 109.1E --- FORECASTS: 12 HRS, VALID AT: 201800Z --- 8.5N 107.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 265 DEG/ 08 KTS --- 24 HRS, VALID AT: 210600Z --- 8.4N 106.0E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 200900Z POSITION NEAR 8.5N 108.7E. TROPICAL DEPRESSION (TD) 25W, LOCATED APPROXIMATELY 195 NM SOUTHEAST OF HO CHI MINH, VIETNAM, HAS TRACKED WESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. RECENT MULTISPECTRAL SATELLITE IMAGERY SHOWS THAT CONVECTION IS COMPLETELY ABSENT FROM A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER. COOLER WATER AND AN INCREASED SHEAR ENVIRONMENT WILL PREVENT FURTHER DEVELOPMENT. ADDITIONALLY A FORECAST COLD SURGE FROM THE NORTHEAST WILL CONTINUE TO MODIFY THE WARM CORE CHARACTER- ISTICS OF THE SYSTEM. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVPACMETOCCEN). THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200600Z IS 12 FEET.//