WTPN51 PGTW 032100 WARNING ATCG MIL 04W NWP 210603193215 2021060318 04W CHOI-WAN 021 01 015 09 SATL SYNP 030 T000 195N 1185E 035 R034 055 NE QD 055 SE QD 115 SW QD 100 NW QD T012 215N 1200E 035 R034 010 NE QD 070 SE QD 060 SW QD 040 NW QD T024 235N 1219E 030 T036 265N 1253E 025 T048 295N 1302E 020 AMP 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 048HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL STORM 04W (CHOI-WAN) WARNING NR 021 1. TROPICAL STORM 04W (CHOI-WAN) WARNING NR 021 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 031800Z --- NEAR 19.5N 118.5E MOVEMENT PAST SIX HOURS - 015 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 115 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 19.5N 118.5E --- FORECASTS: 12 HRS, VALID AT: 040600Z --- 21.5N 120.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 010 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 040 DEG/ 13 KTS --- 24 HRS, VALID AT: 041800Z --- 23.5N 121.9E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 045 DEG/ 22 KTS --- 36 HRS, VALID AT: 050600Z --- 26.5N 125.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 48 HR POSIT: 055 DEG/ 26 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 051800Z --- 29.5N 130.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 032100Z POSITION NEAR 20.0N 118.9E. 03JUN21. TROPICAL STORM 04W (CHOI-WAN), LOCATED APPROXIMATELY 375 NM SOUTH-SOUTHWEST OF TAIPEI, TAIWAN, HAS TRACKED NORTH- NORTHEASTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 031800Z IS 15 FEET. NEXT WARNINGS AT 040300Z, 040900Z, 041500Z AND 042100Z. // 0421052800 53N1419E 15 0421052806 54N1410E 15 0421052812 57N1400E 15 0421052818 61N1385E 15 0421052900 61N1372E 15 0421052906 62N1359E 20 0421052912 63N1352E 20 0421052918 64N1345E 25 0421053000 66N1338E 30 0421053006 67N1327E 30 0421053012 69N1319E 35 0421053018 74N1313E 45 0421053100 83N1306E 45 0421053106 90N1298E 45 0421053112 95N1291E 45 0421053118 98N1282E 45 0421060100 101N1273E 40 0421060106 111N1267E 35 0421060112 117N1254E 30 0421060118 120N1237E 30 0421060200 127N1223E 30 0421060206 133N1215E 30 0421060212 138N1207E 30 0421060218 149N1198E 30 0421060300 163N1194E 35 0421060306 175N1184E 35 0421060312 186N1182E 40 0421060318 195N1185E 35 NNNN