WTPN32 PGTW 071500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 23W (ATSANI) WARNING NR 037 DOWNGRADED FROM TROPICAL STORM 23W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 071200Z --- NEAR 22.6N 118.6E MOVEMENT PAST SIX HOURS - 260 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND EXTRAPOLATION PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 22.6N 118.6E --- FORECASTS: 12 HRS, VALID AT: 080000Z --- 22.3N 117.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 235 DEG/ 04 KTS --- 24 HRS, VALID AT: 081200Z --- 21.8N 116.9E MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 071500Z POSITION NEAR 22.5N 118.4E. 07NOV20. TROPICAL DEPRESSION (TD) 23W (ATSANI), LOCATED APPROXIMATELY 219 NM SOUTHWEST OF TAIPEI, TAIWAN, HAS TRACKED WESTWARD AT 06 KNOTS (KTS) OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY REVEALS A RAPIDLY DECAYING, PARTIALLY-EXPOSED LOW LEVEL CIRCULATION. A 071010Z SSMIS COLOR COMPOSITE MICROWAVE IMAGE DEPICTS FAINT BANDING WRAPPING INTO A LOW LEVEL CIRCULATION CENTER (LLCC), WHILE A 071241Z ASCAT-A IMAGE CAPTURES THE HIGHER WINDS ASSOCIATED WITH THE NORTHEAST SURGE THROUGH THE TAIWAN STRAIT WRAPPING AROUND THE NORTHWESTERN QUADRANT OF A WAVE FEATURE. MULTI-AGENCY DVORAK CURRENT INTENSITY ESTIMATES OF T1.5-2.0 (25-30 KTS, PGTW/RJTD) AND AN ADVANCED DVORAK CURRENT INTENSITY ESTIMATE OF T1.5 (25 KTS) SUPPORT THE INITIAL INTENSITY OF 25 KTS. THE SYSTEM CONTINUES TO BE IMPACTED BY HIGH (>35 KTS) VERTICAL WIND SHEAR WHICH, IN CONJUNCTION WITH COOL (25 CELSIUS) SEA SURFACE TEMPERATURES, WILL CONTINUE TO WEAKEN THE SYSTEM AS IT TRACKS WEST-SOUTHWESTWARD, DISSIPATING BY TAU 12. 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. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z IS 12 FEET.// NNNN