ABIO10 PGTW 131800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN /OCEAN/131800Z-141800ZAPR2022// REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/1301751Z APR 22// AMPN/REF IS TROPICAL CYCLONE FORMATION ALERT CANCELLATION// 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: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: (1) THE AREA OF CONVECTION (INVEST 92S) PREVIOUSLY LOCATED NEAR 32.0S 30.5E, IS NOW LOCATED NEAR 30.5S 30.7E, APPROXIMATELY 291 NM SOUTHWEST OF MAPUTO, MOZAMBIQUE. ENHANCED ANIMATED INFRARED SATELLITE IMAGERY DEPICTS A WEAK ILL DEFINED LOW LEVEL CIRCULATION WITH A LACK OF CONVECTION. ENVIRONMENTAL ANALYSIS REVEALS UNFAVORABLE CONDITIONS FOR DEVELOPMENT DEFINED BY; WEAK OUTFLOW ALOFT, HIGH (20-30KT) VERTICAL WIND SHEAR, AND COOL (25-26C) SEA SURFACE TEMPERATURES. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 92S WILL WEAKEN AS IT TRACKS EASTWARD OVER THE NEXT 12 TO 24 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1000 MB. IN VIEW OF THE UNFAVORABLE FORECAST FOR THIS SYSTEM, IT IS NO LONGER CONSIDERED SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS. THIS CANCELS REF A (WTXS21 PGTW 1301800Z). (2) NO OTHER SUBTROPICAL SYSTEMS.// NNNN