ABIO10 PGTW 060730
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 
REISSUED/060730Z-061800ZAUG2025//
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 6.8S 
63.3E, APPROXIMATELY 549 NM WEST OF DIEGO GARCIA. ANIMATED MULTISPECTRAL 
SATELLITE IMAGERY (MSI) DEPICTS FLARING DEEP CONVECTION WITH A 
DISORGANIZED LOW-LEVEL CIRCULATION CENTER (LLCC). A 060530Z ASCAT-B PASS 
SHOWS A WIND FIELD OF 20-25 KNOT WINDS APPROXIMATELY 150 NM SOUTH-
SOUTHWEST OF THE LLCC, WITH 10-15 KNOT WINDS TURNING INTO THE LLCC. 
ENVIRONMENTAL ANALYSIS REVEALS FAVORABLE CONDITIONS WITH LOW TO MODERATE 
VERTICAL WIND SHEAR (15-20 KNOTS), GOOD OUTFLOW ALOFT AND WARM SEA 
SURFACE TEMPERATURE (28-29C). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 
INVEST 91S WILL CONTINUE TO TRACK GENERALLY WESTWARD. MAXIMUM SUSTAINED 
SURFACE WINDS ARE ESTIMATED AT 22 TO 28 KNOTS. MINIMUM SEA LEVEL 
PRESSURE IS ESTIMATED TO BE NEAR 998 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.
3. JUSTIFICATION FOR REISSUE: ADDED LOW AREA IN PARA. 2.B.(1).//
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