WTXS31 PGTW 172100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 07S (DIKELEDI) WARNING NR 017// RMKS/ 1. TROPICAL CYCLONE 07S (DIKELEDI) WARNING NR 017 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 171800Z --- NEAR 35.0S 61.9E MOVEMENT PAST SIX HOURS - 105 DEGREES AT 33 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 125 NM NORTHWEST QUADRANT REPEAT POSIT: 35.0S 61.9E --- FORECASTS: 12 HRS, VALID AT: 180600Z --- 35.1S 68.6E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 090 NM NORTHWEST QUADRANT --- REMARKS: 172100Z POSITION NEAR 35.0S 63.6E. 17JAN25. TROPICAL CYCLONE 07S (DIKELEDI), LOCATED APPROXIMATELY 927 NM SOUTH-SOUTHEAST OF PORT LOUIS, MAURITIUS, HAS TRACKED EAST-SOUTHEASTWARD AT 33 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL IMAGERY (MSI) SHOWS THE SYSTEM TRANSITIONING INTO AN EXTRATROPICAL CYCLONE, AS INDICATED BY HEAVILY SHEARED CONVECTION TO THE SOUTHEAST AND THE EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) BECOMING STRETCHED AND ELONGATED. ANALYSIS INDICATES THE SYSTEM ENTERING THE BAROCLINIC ZONE, WITH SST AT 24 CELSIUS OR LOWER, IN ADDITION TO 30+ KTS VERTICAL WIND SHEAR. TC 07S IS EXPECTED TO COMPLETE EXTRATROPICAL 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 171800Z IS 994 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171800Z IS 18 FEET.// NNNN