WTPN52 PGTW 250900 WARNING ATCG MIL 08W NWP 170725081335 2017072506 08W SONCA 018 03 275 12 SATL 060 T000 170N 1072E 040 R034 045 NE QD 045 SE QD 045 SW QD 045 NW QD T012 171N 1052E 030 T024 170N 1033E 020 AMP 000HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 012HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL STORM 08W (SONCA) WARNING NR 018 1. TROPICAL STORM 08W (SONCA) WARNING NR 018 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 250600Z --- NEAR 17.0N 107.2E MOVEMENT PAST SIX HOURS - 275 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT REPEAT POSIT: 17.0N 107.2E --- FORECASTS: 12 HRS, VALID AT: 251800Z --- 17.1N 105.2E 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 24 HR POSIT: 265 DEG/ 09 KTS --- 24 HRS, VALID AT: 260600Z --- 17.0N 103.3E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 250900Z POSITION NEAR 17.0N 106.7E. TROPICAL STORM 08W (SONCA), LOCATED APPROXIMATELY 87 NM NORTHWEST OF DA NANG, VIETNAM, HAS TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 250600Z IS 12 FEET. NEXT WARNINGS AT 251500Z, 252100Z AND 260300Z. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. // 0817072006 149N1163E 15 0817072012 156N1159E 20 0817072018 165N1155E 25 0817072100 172N1147E 30 0817072106 176N1139E 30 0817072112 177N1135E 30 0817072118 177N1132E 25 0817072200 177N1128E 25 0817072206 176N1125E 30 0817072212 176N1122E 30 0817072218 176N1119E 30 0817072300 176N1116E 35 0817072306 176N1114E 35 0817072312 174N1116E 35 0817072318 169N1116E 35 0817072400 170N1114E 40 0817072406 170N1109E 40 0817072412 168N1106E 40 0817072418 167N1098E 45 0817072500 169N1085E 40 0817072506 170N1072E 40 NNNN