WTPN51 PGTW 182100 WARNING ATCG MIL 17W NWP 250818194355 2025081818 17W SEVENTEEN 003 01 350 11 SATL RADR SYNP 045 T000 212N 1073E 025 T012 229N 1071E 020 T024 248N 1072E 020 AMP 000HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 012HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL DEPRESSION 17W (SEVENTEEN) WARNING NR 003 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. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 181800Z IS 12 FEET. // 1725081512 140N1121E 15 1725081518 143N1125E 15 1725081600 148N1127E 20 1725081606 152N1126E 20 1725081612 156N1124E 20 1725081618 162N1117E 20 1725081700 169N1114E 25 1725081706 175N1110E 25 1725081712 179N1105E 25 1725081718 188N1095E 25 1725081800 191N1079E 20 1725081806 196N1075E 25 1725081812 201N1075E 30 1725081818 212N1073E 25 NNNN