WTPN31 PGTW 182100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 003// RMKS/ 1. TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 181800Z --- NEAR 21.2N 107.3E MOVEMENT PAST SIX HOURS - 350 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA 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 LAND REPEAT POSIT: 21.2N 107.3E --- FORECASTS: 12 HRS, VALID AT: 190600Z --- 22.9N 107.1E 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: 005 DEG/ 10 KTS --- 24 HRS, VALID AT: 191800Z --- 24.8N 107.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 182100Z POSITION NEAR 21.6N 107.2E. 18AUG25. TROPICAL DEPRESSION 17W (SEVENTEEN), LOCATED APPROXIMATELY 79 NM EAST OF HANOI, VIETNAM, HAS TRACKED NORTHWARD AT 11 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED IMAGERY (EIR) SHOWS THAT TROPICAL DEPRESSION (TD) 17W HAS MADE LANDFALL IN THE CENTRAL QUANG NINH PROVINCE OF VIETNAM. THE INITIAL POSITION WAS MADE WITH MEDIUM CONFIDENCE GIVEN THE DISORGANIZED UPPER-LEVEL ENVIRONMENT, HOWEVER DOPPLER RADAR IMAGERY REVEALED THE LOW-LEVEL CIRCULATION OVER LAND. THE INITIAL INTENSITY WAS ASSESSED WITH LOW CONFIDENCE BASED ON AGENCY AND OBJECTIVE FIXES BETWEEN 25-30KTS. THE SYSTEM WILL TRACK NORTHWARD OVER MOUNTAINOUS AND DRY TERRAIN AND DISSIPATE WITHIN THE NEXT 12 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 181800Z IS 1000 MB. 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 181800Z IS 12 FEET.// NNNN