WTXS31 PGTW 220300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 24S (IALY) WARNING NR 012// RMKS/ 1. TROPICAL CYCLONE 24S (IALY) WARNING NR 012 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 220000Z --- NEAR 3.4S 41.9E MOVEMENT PAST SIX HOURS - 360 DEGREES AT 07 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 DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT REPEAT POSIT: 3.4S 41.9E --- FORECASTS: 12 HRS, VALID AT: 221200Z --- 1.5S 42.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 220300Z POSITION NEAR 2.9S 42.0E. 22MAY24. TROPICAL CYCLONE 24S (IALY), LOCATED APPROXIMATELY 256 NM NORTHEAST OF DAR ES SALAAM, TANZANIA, HAS TRACKED NORTHWARD AT 07 KNOTS OVER THE PAST SIX HOURS. AFTER STUBBORNLY REFUSING TO GIVE UP THE GHOST FOR THE PAST 18 HOURS, INTENSE VERTICAL WIND SHEAR FROM THE EAST-NORTHEAST IS FINALLY OVERCOMING THE SYSTEM. BOTH ANIMATED WATER VAPOR AND SHORTWAVE INFRARED IMAGERY CONFIRMS DISPERSION WITHIN THE CORE AND A DISTINCT LINE OF SUBSIDENCE AND DRY AIR HAS FORMED OVER THE NORTHEAST QUADRANT. BOTH OBJECTIVE AND SUBJECTIVE INTENSITY ASSESSMENTS ARE PLUNGING RAPIDLY. THE CURRENT INTENSITY ASSESSMENT IS BASED ON A COMBINATION OF FMEE 2.5/3.5 PGTW 3.0/4.0 AND FOUR OBJECTIVE ASSESSMENTS OF 40 TO 50KTS FROM CIMSS AIDS. THE EQATORWARD TRACK OF THE VORTEX IS TAKING THE SYSTEM INTO AN AREA OF LOWER CORIOLIS VALUES AND HIGHER VERTICAL WIND SHEAR. OCEAN HEAT CONTENT IS ALSO MARGINAL AND FALLING ALTHOUGH A THIN LAYER OF HIGH SEA SURFACE TEMPERATURES EXISTS ALONG TRACK. IALY STORM IS BREATHING ITS LAST BREATHS AND WILL BE DIFFICULT TO EVEN FIND AT 12 HOURS. ALTHOUGH MID AND HIGH LEVEL MOISTURE WILL STREAM TOWARD INLAND OVER KENYA AND TANZANIA THEY WILL BE SPARED SEVERE EFFECTS FROM TC 24S. 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 220000Z IS 996 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 220000Z IS 18 FEET. // NNNN