WTPN52 PGTW 212100 WARNING ATCG MIL 12W NWP 180721194525 2018072118 12W AMPIL 017 04 310 12 SATL SYNP 050 T000 300N 1241E 045 R034 160 NE QD 120 SE QD 070 SW QD 105 NW QD T012 316N 1218E 040 R034 140 NE QD 090 SE QD 040 SW QD 090 NW QD T024 333N 1197E 035 R034 110 NE QD 050 SE QD 000 SW QD 035 NW QD T036 350N 1180E 030 T048 368N 1167E 020 AMP 024HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 048HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND SUBJ: TROPICAL STORM 12W (AMPIL) WARNING NR 017 1. TROPICAL STORM 12W (AMPIL) WARNING NR 017 04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 211800Z --- NEAR 30.0N 124.1E MOVEMENT PAST SIX HOURS - 310 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 050 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT REPEAT POSIT: 30.0N 124.1E --- FORECASTS: 12 HRS, VALID AT: 220600Z --- 31.6N 121.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 315 DEG/ 12 KTS --- 24 HRS, VALID AT: 221800Z --- 33.3N 119.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 110 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 035 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 320 DEG/ 11 KTS --- 36 HRS, VALID AT: 230600Z --- 35.0N 118.0E 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 48 HR POSIT: 330 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 231800Z --- 36.8N 116.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 212100Z POSITION NEAR 30.4N 123.5E. TROPICAL STORM 12W (AMPIL), LOCATED APPROXIMATELY 287 NM NORTHWEST OF KADENA AB, HAS TRACKED NORTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 211800Z IS 24 FEET. NEXT WARNINGS AT 220300Z, 220900Z, 221500Z AND 222100Z. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. FOR SIX-HOURLY UPDATES. // 1218071506 150N1311E 15 1218071512 156N1312E 15 1218071518 161N1308E 20 1218071600 166N1302E 20 1218071606 172N1295E 20 1218071612 175N1288E 20 1218071618 182N1288E 20 1218071700 186N1283E 20 1218071706 188N1279E 20 1218071712 190N1275E 20 1218071718 189N1270E 25 1218071800 191N1268E 25 1218071806 193N1276E 30 1218071812 194N1287E 35 1218071818 196N1297E 35 1218071900 201N1306E 40 1218071906 204N1313E 40 1218071912 211N1315E 40 1218071918 220N1313E 45 1218072000 227N1310E 50 1218072000 227N1310E 50 1218072006 233N1306E 50 1218072012 243N1299E 45 1218072018 254N1293E 45 1218072100 268N1280E 45 1218072106 282N1263E 45 1218072112 292N1252E 45 1218072118 300N1241E 45 NNNN