WTPN52 PGTW 232100 WARNING ATCG MIL 08W NWP 170723210444 2017072318 08W SONCA 012 04 180 05 SATL 020 T000 169N 1116E 035 R034 030 NE QD 035 SE QD 035 SW QD 030 NW QD T012 170N 1111E 040 R034 040 NE QD 045 SE QD 045 SW QD 040 NW QD T024 173N 1100E 045 R034 060 NE QD 055 SE QD 055 SW QD 060 NW QD T036 179N 1079E 040 R034 040 NE QD 035 SE QD 040 SW QD 040 NW QD T048 180N 1054E 020 AMP 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 048HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL STORM 08W (SONCA) WARNING NR 012 1. TROPICAL STORM 08W (SONCA) WARNING NR 012 04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 231800Z --- NEAR 16.9N 111.6E MOVEMENT PAST SIX HOURS - 180 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT REPEAT POSIT: 16.9N 111.6E --- FORECASTS: 12 HRS, VALID AT: 240600Z --- 17.0N 111.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 285 DEG/ 05 KTS --- 24 HRS, VALID AT: 241800Z --- 17.3N 110.0E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 285 DEG/ 10 KTS --- 36 HRS, VALID AT: 250600Z --- 17.9N 107.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 275 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 251800Z --- 18.0N 105.4E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 232100Z POSITION NEAR 16.9N 111.5E. TROPICAL STORM 08W (SONCA), LOCATED APPROXIMATELY 197 NM EAST- NORTHEAST OF DA NANG, VIETNAM, HAS TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231800Z IS 10 FEET. NEXT WARNINGS AT 240300Z, 240900Z, 241500Z AND 242100Z. FOR SIX-HOURLY UPDATES. 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 NNNN