ABIO10 PGTW 170200 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN /REISSUED/170200Z-171800ZDEC2021// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) AN AREA OF CONVECTION (INVEST 94B) HAS PERSISTED NEAR 4.4N 87.4E, APPROXIMATELY 472 NM EAST-SOUTHEAST OF COLOMBO, SRI LANKA. ANIMATED ENHANCED INFRARED IMAGERY AND A 152232Z SSMIS 91GHZ IMAGE DEPICT FLARING CONVECTION IN THE NORTH-NORTHEASTERN PERIPHERY WRAPPING INTO THE LOW LEVEL CIRCULATION (LLC). ENVIRONMENTAL ANALYSIS INDICATES A MARGINAL ENVIRONMENT WITH FAIR POLEWARD OUTFLOW AND WARM (28-29C) SEA SURFACE TEMPERATURES OFFSET BY MODERATE (15- 20KT) VERTICAL WIND SHEAR. GLOBAL MODELS ARE IN AGREEMENT THAT INVEST 94B WILL INTENSIFY AND TRACK EASTWARD TOWARD MYANMAR WITHIN THE NEXT 48-72HRS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1009 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO LOW. (2) NO OTHER SUSPECT AREAS. 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: NONE. 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN 1.B.(1) TO LOW.// NNNN