WTPS32 PGTW 261500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL CYCLONE 14P (YALO) WARNING NR 004 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 261200Z --- NEAR 23.4S 150.7W MOVEMENT PAST SIX HOURS - 135 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 040 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 REPEAT POSIT: 23.4S 150.7W --- FORECASTS: 12 HRS, VALID AT: 270000Z --- 24.8S 149.3W MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 261500Z POSITION NEAR 23.7S 150.4W. TROPICAL CYCLONE 14P (YALO), LOCATED APPROXIMATELY 359 NM SOUTH OF PAPEETE, TAHITI, HAS TRACKED SOUTHEASTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS THE PRESENCE OF INCREASING VERTICAL WIND SHEAR (VWS) OVER THE LAST SIX HOURS AS THE BULK OF CONVECTION IS NOW DECOUPLED FROM THE SYSTEM REVEALING A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC). THE CURRENT INTENSITY IS ASSESSED AT 35 KNOTS BASED ON DVORAK ESTIMATES FROM PGTW AND PHFO REPORTING CURRENT INTENSITIES OF T2.5 (35 KNOTS). CURRENTLY TC YALO IS EXPERIENCING SIGNIFICANT (35 TO 40 KNOTS) VWS DUE TO AN APPROACHING LONGWAVE TROUGH FROM THE WEST, AND SEA SURFACE TEMPERATURES (SST) ARE COOL (25 CELSIUS) CONTRIBUTING TO THE RAPID WEAKENING. DUE TO THE DETERIORATING ENVIRONMENT TC YALO WILL NO LONGER BE AT TROPICAL STORM STRENGTH BY TAU 12. 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 261200Z IS 15 FEET. //