WTPN31 PGTW 042100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 04W (CHOI-WAN) WARNING NR 025// RMKS/ 1. TROPICAL DEPRESSION 04W (CHOI-WAN) WARNING NR 025 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 041800Z --- NEAR 23.1N 122.5E MOVEMENT PAST SIX HOURS - 045 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 020 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 23.1N 122.5E --- FORECASTS: 12 HRS, VALID AT: 050600Z --- 26.4N 126.2E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 055 DEG/ 28 KTS --- 24 HRS, VALID AT: 051800Z --- 29.6N 131.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 055 DEG/ 28 KTS --- 36 HRS, VALID AT: 060600Z --- 32.6N 136.8E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 042100Z POSITION NEAR 23.9N 123.4E. 04JUN21. TROPICAL DEPRESSION 04W (CHOI-WAN), LOCATED APPROXIMATELY 353 NM SOUTHWEST OF KADENA AB, HAS TRACKED NORTHEASTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 041800Z IS 13 FEET. NEXT WARNINGS AT 050300Z, 050900Z, 051500Z AND 052100Z. // NNNN