WTXS32 PGTW 160900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 13S (DINGANI) WARNING NR 015// RMKS/ 1. TROPICAL CYCLONE 13S (DINGANI) WARNING NR 015 02 ACTIVE TROPICAL CYCLONES IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 160600Z --- NEAR 31.0S 67.4E MOVEMENT PAST SIX HOURS - 190 DEGREES AT 08 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 - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT REPEAT POSIT: 31.0S 67.4E --- FORECASTS: 12 HRS, VALID AT: 161800Z --- 32.9S 68.7E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 160900Z POSITION NEAR 31.5S 67.7E. 16FEB23. TROPICAL CYCLONE (TC) 13S (DINGANI), LOCATED APPROXIMATELY 851 NM SOUTHEAST OF PORT LOUIS, MAURITIUS, HAS TRACKED SOUTHWARD AT 08 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A SHALLOW, WELL-DEFINED LOW-LEVEL CIRCULATION WITH NO DEEP CONVECTION. THE SYSTEM IS LOCATED UNDER AN UPPER-LEVEL SUBTROPICAL TROUGH, POLEWARD OF THE SUBTROPICAL JET WITH HIGH VERTICAL WIND SHEAR AND A DRY ATMOSPHERE. THE SYSTEM HAS STEADILY WEAKENED WITHIN AN UNFAVORABLE ENVIRONMENT WITH COOL SST (22-23C) AND PERSISTENT HIGH VWS, AND IS EXPECTED TO DISSIPATE 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 160600Z IS 17 FEET. REFER TO TROPICAL CYCLONE 11S (FREDDY) WARNINGS (WTXS31 PGTW) FOR TWELVE-HOURLY UPDATES.// NNNN