WTXS31 PGTW 270900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 12S (CALEB) WARNING NR 009// RMKS/ 1. TROPICAL CYCLONE 12S (CALEB) WARNING NR 009 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 270600Z --- NEAR 15.4S 97.3E MOVEMENT PAST SIX HOURS - 280 DEGREES AT 06 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 DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 15.4S 97.3E --- FORECASTS: 12 HRS, VALID AT: 271800Z --- 15.4S 96.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 270900Z POSITION NEAR 15.4S 97.1E. TROPICAL CYCLONE (TC) 12S (CALEB), LOCATED APPROXIMATELY 200 NM SOUTH OF COCOS ISLAND, HAS TRACKED WESTWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MULTISPECTRAL SATELLITE IMAGERY REVEALS A DECAYING, EXPOSED LOW-LEVEL CIRCULATION CENTER DEVOID OF ANY PERSISTENT CONVECTION, AND SUPPORTS THE INITIAL POSITION WITH HIGH CONFIDENCE. THE INITIAL INTENSITY OF 35 KNOTS IS SUPPORTED BY A PARTIAL 270328Z ASCAT PASS SHOWING 30 KNOT WINDS WITH ISOLATED 35 KNOT WINDS RELEGATED TO THE SOUTHERN PERIPHERY OF THE SYSTEM. ENVIRONMENTAL CONDITIONS ARE NO LONGER CONDUCIVE FOR DEVELOPMENT, AND FULL DISSIPATION OF TC CALEB SYSTEM IS EXPECTED WITHIN THE NEXT 12 HOURS. 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 270600Z IS 12 FEET.//