WTIO31 PGTW 011500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 04B (NADA) WARNING NR 008// RMKS/ 1. TROPICAL CYCLONE 04B (NADA) WARNING NR 008 01 ACTIVE TROPICAL CYCLONE IN NORTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 011200Z --- NEAR 10.5N 80.7E MOVEMENT PAST SIX HOURS - 290 DEGREES AT 05 KTS POSITION ACCURATE TO WITHIN 020 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 RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 10.5N 80.7E --- FORECASTS: 12 HRS, VALID AT: 020000Z --- 10.8N 79.3E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 011500Z POSITION NEAR 10.6N 80.4E. TROPICAL CYCLONE 04B (NADA), LOCATED APPROXIMATELY 850 NM SOUTH- SOUTHWEST OF CALCUTTA, INDIA, HAS TRACKED WEST-NORTHWESTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A 011049Z 91 GHZ SSMIS IMAGE DEPICTS A SYMMETRIC FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC), LENDING HIGH CONFIDENCE TO THE INITIAL POSITION, AND VIRTUALLY NO ASSOCIATED DEEP CONVECTION. THE CURRENT INTENSITY IS ASSESSED AT 35 KNOTS AND IS BASED ON THE UPPER ENVELOPE OF DVORAK ESTIMATES FROM ALL REPORTING AGENCIES RANGING FROM T1.5 TO T2.5 (25 TO 35 KNOTS). CURRENTLY TC NADA IS TRACKING WESTWARD ALONG THE PERIPHERY OF A SUBTROPICAL RIDGE LOCATED TO THE NORTH. VERTICAL WIND SHEAR IS EXPECTED TO REMAIN UNFAVORABLE OVER THE NEXT 12 HOURS AS TC NADA CONTINUES TO TRACK WESTWARD MAKING LANDFALL OVER SOUTHERN INDIA IN THE NEXT 6 TO 12 HOURS. TC NADA IS EXPECTED TO FULLY DISSIPATE WHILE OVER LAND BY TAU 24. 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 011200Z IS 12 FEET.//