ABIO10 PGTW 081100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN REISSUED/081100Z-081800ZFEB2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/080751ZFEB2023// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// 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 08FEB23 0600Z, TROPICAL CYCLONE 11S (FREDDY) WAS LOCATED NEAR 15.3S 113.7E, APPROXIMATELY 410 NM NORTHWEST OF PORT HEDLAND, AUSTRALIA, AND HAD TRACKED WEST-SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 95 KNOTS GUSTING TO 115 KNOTS. SEE REF A (WTXS31 PGTW 080900) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 94S) PREVIOUSLY LOCATED NEAR 14.2S 97.3E IS NOW LOCATED NEAR 15.3S 94.1E, APPROXIMATELY 1360 NM EAST- SOUTHEAST OF DIEGO GARCIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS A SLOWLY CONSOLIDATING LOW-LEVEL CIRCULATION WITH CONVECTIVE BANDING WRAPPING INTO A BROAD CENTER. A 080706Z AMSR2 89GHZ MICROWAVE IMAGE SHOWS IMPROVED LOW-LEVEL STRUCTURE; HOWEVER, DEEP CONVECTIVE STRUCTURE REMAINS FRAGMENTED AND WEAK. A 080320Z ASCAT-C IMAGE REVEALS AN ELONGATED CIRCULATION WITH A SWATH OF 25 KNOT WINDS OVER THE SOUTHERN SEMICIRCLE. ENVIRONMENTAL CONDITIONS ARE MARGINALLY FAVORABLE WITH MODERATE POLEWARD OUTFLOW, LOW TO MODERATE (15 TO 20 KNOTS) VERTICAL WIND SHEAR, WARM SST VALUES (27-28C) AND DRY AIR ENTRAINMENT IN THE MID- TO UPPER-LEVELS. GLOBAL MODELS INDICATE A WESTWARD TRACK OVER THE NEXT TWO DAYS WITH STEADY INTENSIFICATION. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARAGRAPH 2.B.(1) TO MEDIUM.// NNNN