ABIO10 PGTW 250030 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN /REISSUED/250030Z-251800ZFEB2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/241951ZFEB2022// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/241351ZFEB2022// REF/C/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/242151ZFEB2022// NARR/REF A IS A TROPICAL CYCLONE FINAL WARNING. REF B IS A TROPICAL CYLCONE FORMATION ALERT. REF C IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: (1) AT 24FEB22 1800Z, TROPICAL CYCLONE 13S (EMNATI) WAS LOCATED NEAR 28.7S 41.8E, APPROXIMATELY 400 NM SOUTH-SOUTHEAST OF EUROPA ISLAND, AND HAD TRACKED SOUTH-SOUTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTXS31 PGTW 242100) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1)THE AREA OF CONVECTION (INVEST 99S) PREVIOUSLY LOCATED NEAR 12.9S 128.6E IS NOW LOCATED NEAR 12.4S 128.4E, APPROXIMATELY 400NM WEST OF DARWIN, AUSTRALIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY AND A 241938Z SSMIS 91GHZ IMAGE REVEALS ELONGATED, DEEP CONVECTION FLARING OVER A WELL DEFINED LOW LEVEL CIRCULATION CENTER (LLCC). A 241339 ASCAT-B PARTIAL IMAGE SHOWS 25-30 KT WINDS IN THE SOUTHWESTERN QUADRANT OF THE AREA. ENVIRONMENTAL ANALYSIS REVEALS THAT THE INVEST IS IN A FAVORABLE ENVIRONMENT FOR DEVELOPMENT DEFINED BY PRONOUNCED EQUATORWARD OUTFLOW AND WARM (30- 31C) SEA SURFACE TEMPERATURES. THESE ARE OFFSET BY UNFAVORABLE (25- 30KTS) VERTICAL WIND SHEAR AS DEPICTED ON THE 1800Z CIMSS DEEP LAYER WIND SHEAR ANALYSIS. OBSERVATIONS FROM PT. FAWCETT REPORT 15KT NORTHWESTERLY WINDS. GLOBAL MODELS ARE IN AGREEMENT REGARDING THE INTENSIFICATION AS THE SYSTEM MEANDERS IN THE GULF OF BONAPARTE OVER THE NEXT 24-48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1000 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH. SEE REF C (WTXS21 PGTW 242200) FOR FURTHER DETAILS. (2) THE AREA OF CONVECTION (INVEST 92S; PREVIOUSLY 90S) PREVIOUSLY LOCATED NEAR 13.0S 96.1E IS NOW LOCATED NEAR 13.2S 95.9E, APPROXIMATELY 84NM SOUTHWEST OF COCOS ISLANDS. A 241159Z SSMIS MICROWAVE IMAGE REVEALS CONVECTIVE BANDING WRAPPING INTO A WELL DEFINED LOW LEVEL CIRCULATION CENTER (LLCC) WHILE ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS TWIN CONVECTIVE TOWERS SPIRALING INTO THE LOW LEVEL VORTEX. THE ENVIRONMENT IS FAVORABLE FOR TROPICAL CYCLONE DEVELOPMENT WITH LOW (05-10 KT) VERTICAL WIND SHEAR, BURGEONING POLEWARD OUTFLOW, AND WARM (28-29C) SEA SURFACE TEMPERATURES. GLOBAL MODELS ARE IN AGREEMENT THAT INVEST 90S WILL TRACK WESTWARD AS IT CONSOLIDATES AND CONTINUES TO INTENSIFY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1000 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. SEE REF B (WTXS21 PGTW 241400) FOR FUTHER DETAILS. (3) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO HIGH. ISSUED FINAL WARNING FOR AREA IN PARA 2.A.(1). CORRECTED NUMBERING OF AREA IN PARA 2.B.(2). NNNN