WTPN52 PGTW 220300 WARNING ATCG MIL 12W NWP 180722011017 2018072200 12W AMPIL 018 05 300 12 SATL SYNP 045 T000 306N 1229E 045 R034 145 NE QD 130 SE QD 075 SW QD 120 NW QD T012 323N 1207E 040 R034 125 NE QD 090 SE QD 000 SW QD 070 NW QD T024 340N 1188E 035 R034 095 NE QD 060 SE QD 000 SW QD 025 NW QD T036 357N 1175E 030 T048 379N 1168E 020 AMP 012HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 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 018 1. TROPICAL STORM 12W (AMPIL) WARNING NR 018 05 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 220000Z --- NEAR 30.6N 122.9E MOVEMENT PAST SIX HOURS - 300 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 045 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 - 145 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT REPEAT POSIT: 30.6N 122.9E --- FORECASTS: 12 HRS, VALID AT: 221200Z --- 32.3N 120.7E 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 - 125 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 315 DEG/ 12 KTS --- 24 HRS, VALID AT: 230000Z --- 34.0N 118.8E 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 - 095 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 330 DEG/ 10 KTS --- 36 HRS, VALID AT: 231200Z --- 35.7N 117.5E 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: 345 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 240000Z --- 37.9N 116.8E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 220300Z POSITION NEAR 31.0N 122.3E. TROPICAL STORM 12W (AMPIL), LOCATED APPROXIMATELY 338 NM NORTH- NORTHEAST OF TAIPEI, TAIWAN, HAS TRACKED WEST-NORTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 220000Z IS 24 FEET. NEXT WARNINGS AT 220900Z, 221500Z, 222100Z AND 230300Z. FOR SIX-HOURLY UPDATES. 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 1218072200 306N1229E 45 NNNN