WTPN31 PGTW 050300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 04W (CHOI-WAN) WARNING NR 026// RMKS/ 1. TROPICAL STORM 04W (CHOI-WAN) WARNING NR 026 UPGRADED FROM TROPICAL DEPRESSION 04W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 050000Z --- NEAR 24.7N 123.9E MOVEMENT PAST SIX HOURS - 040 DEGREES AT 20 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT REPEAT POSIT: 24.7N 123.9E --- FORECASTS: 12 HRS, VALID AT: 051200Z --- 27.9N 128.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 055 DEG/ 25 KTS --- 24 HRS, VALID AT: 060000Z --- 30.8N 133.1E 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 36 HR POSIT: 060 DEG/ 27 KTS --- 36 HRS, VALID AT: 061200Z --- 33.5N 138.5E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 050300Z POSITION NEAR 25.5N 125.0E. 05JUN21. TROPICAL STORM 04W (CHOI-WAN), LOCATED APPROXIMATELY 237 NM WEST-SOUTHWEST OF KADENA AB, HAS TRACKED NORTHEASTWARD AT 20 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 050000Z IS 16 FEET. NEXT WARNINGS AT 050900Z, 051500Z, 052100Z AND 060300Z. // NNNN