WTXS32 PGTW 120300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 13S (VINCE) WARNING NR 022// RMKS/ 1. TROPICAL CYCLONE 13S (VINCE) WARNING NR 022 03 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 120000Z --- NEAR 30.0S 70.3E MOVEMENT PAST SIX HOURS - 170 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING SUBTROPICAL RADIUS OF 064 KT WINDS - 060 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 085 NM SOUTHWEST QUADRANT 075 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 135 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 30.0S 70.3E --- FORECASTS: 12 HRS, VALID AT: 121200Z --- 32.9S 72.1E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT 140 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT --- REMARKS: 120300Z POSITION NEAR 30.7S 70.7E. 12FEB25. TROPICAL CYCLONE 13S (VINCE), LOCATED APPROXIMATELY 922 NM SOUTHEAST OF PORT LOUIS, MAURITIUS, HAS TRACKED SOUTHWARD AT 11 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED IMAGERY REVEALS A HIGHLY SHEARED SYSTEM WITH CONVECTION POLEWARD AND EASTWARD OF THE LOW-LEVEL CIRCULATION CENTER. THE ENVIRONMENT IS UNFAVORABLE FOR DEVELOPMENT DUE TO UNFAVORABLE 30KT VERTICAL WIND SHEAR AND SEA SURFACE TEMPERATURES BETWEEN 24-25C. THE SYSTEM IS FORECAST CONTINUE TO ROUND THE SUBTROPICAL RIDGE, MOVING SOUTHEASTWARD FOR THE REMAINDER OF THE FORECAST. THE ALREADY COOL SEA SURFACE TEMPERATURES WILL ALLOW THE SYSTEM TO WEAKEN. AS THE SYSTEM MOVES SOUTHWARD, TC 13S WILL BECOME FURTHER EMBEDDED WITHIN AN UPPER-LEVEL TROUGH, RESULTING IN ELEVATED SHEAR ABOVE 35KTS THAT WILL CONTINUE TO INCREASE, CONTRIBUTING TO THE COMPLETION OF SUBTROPICAL TRANSITION 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. MINIMUM CENTRAL PRESSURE AT 120000Z IS 967 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 120000Z IS 26 FEET. REFER TO TROPICAL CYCLONE 14S (TALIAH) WARNINGS (WTXS33 PGTW) FOR TWELEVE-HOURLY UPDATES. REFER TO TROPICAL CYCLONE 17S (ZELIA) WARNINGS (WTXS31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN