WTXS31 PGTW 090900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 02S (TERATAI) WARNING NR 006// RMKS/ 1. TROPICAL CYCLONE 02S (TERATAI) WARNING NR 006 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 090600Z --- NEAR 14.3S 102.9E MOVEMENT PAST SIX HOURS - 270 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 025 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 DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 14.3S 102.9E --- FORECASTS: 12 HRS, VALID AT: 091800Z --- 14.8S 101.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 090900Z POSITION NEAR 14.4S 102.6E. 09DEC21. TROPICAL CYCLONE 02S (TERATAI), LOCATED APPROXIMATELY 284 NM SOUTHWEST OF CHRISTMAS ISLAND, HAS TRACKED WESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. A SIX-HOUR ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) SHOWS A WEAKENED CENTRAL CONVECTION THAT HAS BECOME MORE OFFSET FROM A PARTIALLY EXPOSED LOW LEVEL CIRCULATION. THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE BASED ON THE MSI LOOP. THE INITIAL INTENSITY OF 30KTS, EXTRAPOLATED FROM A 090242Z ASCAT PASS SHOWING MAXIMUM WIND BARBS OF 20KTS WITHIN THE TRAILING SEMI-CIRCLE, IS HELD HIGHER THAN THE PGTW DVORAK ESTIMATE OF T1.5/25KTS. ENVIRONMENTAL ANALYSIS INDICATES THE CYCLONE HAS DRIFTED INTO COOLER (26C) SST AND STRONG (25KT+) RELATIVE VERTICAL WIND SHEAR AS THE UPPER LEVEL WINDS HAVE BECOME CROSS-PHASED WITH THE STORM MOTION. TC 02S HAS WEAKENED TO BELOW THE JTWC WARNING THRESHOLD AND IS NOT EXPECTED TO RECOVER. 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 090600Z IS 10 FEET.// NNNN