ABIO10 PGTW 250600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 
REISSUED/250600Z-251800ZMAR2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/250151ZMAR2025//
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 25MAR25 0000Z, TROPICAL CYCLONE 27S (TWENTYSEVEN) WAS 
LOCATED NEAR 16.7S 110.0E, APPROXIMATELY 408 NM NORTHWEST OF 
LEARMONTH, AUSTRALIA, AND HAD TRACKED WESTWARD AT 05 KNOTS OVER THE 
PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 
KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS31 PGTW 250300) FOR FURTHER 
DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 93S) HAS PERSISTED NEAR 16.7S 
121.2E, APPROXIMATELY 96 NM NORTHWEST OF BROOME, AUSTRALIA. ANIMATED 
MULTISPECTRAL SATELLITE IMAGERY AND A 250408Z 89GHZ GMI MICROWAVE PASS 
DEPICT POORLY ORGANIZED AREA OF CONVECTION OVER AN OBSCURED LOW LEVEL 
CIRCULATION CENTER (LLCC). A 250044Z METOP-C ASCAT PASS REVEALED A 
SMALL REGION OF 15-20KT WINDS IN THE SOUTHEASTERN QUADRANT OF THE 
LLCC. ENVIRONMENTAL ANALYSIS DEPICTS FAVORABLE CONDITIONS FOR FURTHER 
DEVELOPMENT DUE TO LOW (10-15KTS) VERTICAL WIND SHEAR, VERY WARM (30-
31C) SSTS, AND STRONG EQUATORWARD OUTFLOW. DETERMINISTIC MODELS ARE IN 
GOOD AGREEMENT OF FURTHER INTENSIFICATION OF 93S OVER THE NEXT 48 
HOURS AS IT DEEPENS NORTHWEST OF BROOME. MAXIMUM SUSTAINED SURFACE 
WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS 
ESTIMATED TO BE NEAR 1002 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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