ABIO10 PGTW 100800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 
REISSUED/100800Z-101800ZDEC2025//
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:
      (1) AN AREA OF CONVECTION (INVEST 91S) HAS PERSISTED NEAR 4.1S 
98.6E, APPROXIMATELY 570 NM NORTHWEST OF CHIRSTMAS ISLAND. ANIMATED 
MULTISPECTRAL SATELLITE IMAGERY (MSI) AND A 092326Z SSMIS 91GHZ 
MICROWAVE IMAGE DEPICT A SLOWLY CONSOLIDATING, POORLY-ORGANIZED LOW 
LEVEL CIRCULATION (LLC) WITH FORMATIVE BANDING TO THE NORTH OF THE LLC 
AND PERSISTENT CONVECTION. ENVIRONMENTAL ANALYSIS REVEALS A MARGINAL 
ENVIRONMENT FOR DEVELOPMENT WITH HIGH VERTICAL WIND SHEAR (VWS) OF 25-
30 KNOTS, GOOD UPPER LEVEL OUTFLOW, AND WARM SEA SURFACE TEMPERATURES 
(SST) OF 28-29 C. DETERMINISTIC MODELS ARE IN GOOD AGREEMENT THAT 91S 
WILL CONTINUE TO SLOWLY CONSOLIDATE OVER THE NEXT 48 HOURS AS IT 
TRACKS SOUTHEAST ALONG THE WESTERN COAST OF SOUTHERN SUMATRA. MAXIMUM 
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA 
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE 
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS 
IS LOW.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: ADDED LOW AREA IN PARA. 2.B.(1).//
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