WTIO31 PGTW 010900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 04B (FOUR) WARNING NR 003// RMKS/ 1. TROPICAL CYCLONE 04B (FOUR) WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 010600Z --- NEAR 21.9N 90.4E MOVEMENT PAST SIX HOURS - 310 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: 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 - 000 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 21.9N 90.4E --- FORECASTS: 12 HRS, VALID AT: 011800Z --- 23.0N 88.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 010900Z POSITION NEAR 22.2N 89.9E. 01AUG23. TROPICAL CYCLONE 04B (FOUR), LOCATED APPROXIMATELY 81 NM WEST-SOUTHWEST OF CHITTAGONG, HAS TRACKED NORTHWESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) TOGETHER WITH ANIMATED RADAR IMAGERY PROVIDED A HIGH DEGREE OF CONFIDENCE TO THE INITAL LOCATION OF 04B. THE FULLY EXPOSED CIRCULATION HAS VERY RECENTLY MADE LANDFALL OVER SOUTHERN BANGLADESH AND IS FORECAST TO PROCEED INLAND, WHERE IT WILL QUICKLY DISSIPATE BY TAU 12. NUMERICAL MODELS AND RELIABLE MODEL INTENSITY GUIDANCE, BOTH ECHO THE JTWC TRACK AND INTENSITY FORECASTS, LENDING HIGH CONFIDENCE TO BOTH. MINIMUM CENTRAL PRESSURE AT 010600Z IS 990 MB.THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 15 FEET.// NNNN