WTPN31 PGTW 091500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TYPHOON 12W (DOLPHIN) WARNING NR 055// RMKS/ 1. TYPHOON 12W (DOLPHIN) WARNING NR 055 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 091200Z --- NEAR 27.9N 120.6E MOVEMENT PAST SIX HOURS - 260 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 100 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 255 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 240 NM NORTHWEST QUADRANT REPEAT POSIT: 27.9N 120.6E --- FORECASTS: 12 HRS, VALID AT: 100000Z --- 28.0N 118.9E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 310 DEG/ 10 KTS --- 24 HRS, VALID AT: 101200Z --- 29.3N 117.1E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 310 DEG/ 10 KTS --- 36 HRS, VALID AT: 110000Z --- 30.5N 115.4E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 310 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 111200Z --- 31.7N 113.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 091500Z POSITION NEAR 27.9N 120.2E. 09AUG26. TYPHOON 12W (DOLPHIN), LOCATED APPROXIMATELY 175 NM NORTH-NORTHWEST OF TAIPEI, TAIWAN, HAS TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) SATELLITE IMAGERY AS WELL AS ANIMATED RADAR DATA INDICATE THAT TYPHOON 12W MADE LANDFALL ALONG THE EASTERN COAST OF CHINA NORTHEAST OF WENZHOU AROUND 0915Z. THE SYSTEM THEREUPON TRACKED SOUTHWESTWARD, MOST LIKELY PASSING IN CLOSE PROXIMITY TO WENZHOU ITSELF AND CONTINUING TO A POSITION WEST OF RUIAN BY 1200Z. SURFACE OBSERVATIONS FROM RUIAN SHOW WINDS FROM THE SOUTH-SOUTHWEST, SUPPORTING THE INITIAL POSITION TO THE WEST OF THE STATION AT 1200Z, WITH HIGH CONFIDENCE. NOW OVER LAND, TY 12W WILL DRIFT SOUTHWEST FOR A BIT LONGER BEFORE QUICKLY TURNING NORTHWESTWARD ALONG THE SOUTHWESTERN FLANK OF A LARGE SUBTROPICAL RIDGE (STR) CENTERED TO THE NORTHEAST. THE SYSTEM WILL RAPIDLY WEAKEN OVER THE RUGGED TERRAIN, DISSIPATING OVER EAST-CENTRAL CHINA WITHIN THE NEXT 48 HOURS. 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. MINIMUM CENTRAL PRESSURE AT 091200Z IS 958 MB. REFER TO TROPICAL STORM 13W (PEILOU) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 14W (CHAN-HOM) WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.// NNNN