SUBJ: TROPICAL CYCLONE 04B (SENYAR) WARNING NR 006 WTIO31 PGTW 262100 1. TROPICAL CYCLONE 04B (SENYAR) WARNING NR 006 02 ACTIVE TROPICAL CYCLONES IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 261800Z --- NEAR 3.6N 99.9E MOVEMENT PAST SIX HOURS - 095 DEGREES AT 13 KTS POSITION ACCURATE TO WITHIN 060 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: 3.6N 99.9E --- FORECASTS: 12 HRS, VALID AT: 270600Z --- 3.5N 100.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 090 DEG/ 03 KTS --- 24 HRS, VALID AT: 271800Z --- 3.5N 101.2E 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 - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 090 DEG/ 05 KTS --- 36 HRS, VALID AT: 280600Z --- 3.5N 102.3E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 262100Z POSITION NEAR 3.6N 100.0E. 26NOV25. TROPICAL CYCLONE 04B (SENYAR), LOCATED APPROXIMATELY 894 NM SOUTHWEST OF DA NANG, VIETNAM, HAS TRACKED EASTWARD AT 13 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 261800Z IS 1003 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 261800Z IS 8 FEET. NEXT WARNINGS AT 270300Z, 270900Z, 271500Z AND 272100Z. REFER TO TYPHOON 33W (KOTO) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. // BT #0001 NNNN