WTPN31 PGTW 221500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 28W (TWENTYEIGHT) WARNING NR 001// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220321ZDEC2024// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. TROPICAL DEPRESSION 28W (TWENTYEIGHT) WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 221200Z --- NEAR 11.0N 113.2E MOVEMENT PAST SIX HOURS - 305 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 11.0N 113.2E --- FORECASTS: 12 HRS, VALID AT: 230000Z --- 11.8N 112.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 010 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 120 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 310 DEG/ 06 KTS --- 24 HRS, VALID AT: 231200Z --- 12.5N 111.4E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 270 DEG/ 04 KTS --- 36 HRS, VALID AT: 240000Z --- 12.5N 110.6E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 000 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 150 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 250 DEG/ 05 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 241200Z --- 12.2N 109.7E 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 72 HR POSIT: 245 DEG/ 07 KTS --- 72 HRS, VALID AT: 251200Z --- 11.0N 107.2E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 221500Z POSITION NEAR 11.2N 113.0E. 22DEC24. TROPICAL DEPRESSION 28W (TWENTYEIGHT), LOCATED APPROXIMATELY 383 NM EAST OF HO CHI MINH CITY, VIETNAM, HAS TRACKED NORTHWESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 221200Z IS 1002 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221200Z IS 13 FEET. NEXT WARNINGS AT 222100Z, 230300Z, 230900Z AND 231500Z.// 2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 220300).// NNNN