ABIO10 PGTW 282130
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 
282130Z-291800ZMAR2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/281951ZMAR2025//
REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/281952ZMAR2025//
NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL CYCLONE 
FINAL 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 28MAR25 1800Z, TROPICAL CYCLONE 27S (COURTNEY) WAS LOCATED 
NEAR 17.4S 93.0E, APPROXIMATELY 385 NM SOUTHWEST OF THE COCOS ISLANDS, 
AND HAD TRACKED WESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. MAXIMUM 
SUSTAINED SURFACE WINDS WERE ESTIMATED AT 115 KNOTS GUSTING TO 140 
KNOTS. SEE REF A (WTXS31 PGTW 282100) FOR FURTHER DETAILS.
      (2) AT 28MAR25 1800Z, TROPICAL CYCLONE 28S (DIANNE) WAS LOCATED 
NEAR 16.2S 123.8E, APPROXIMATELY 137 NM NORTHEAST OF BROOME, AUSTRALIA, 
AND HAD TRACKED SOUTHWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM 
SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. 
SEE REF B (WTXS32 PGTW 282100) FOR THE FINAL WARNING ON THIS SYSTEM.
      (3) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPDATED PARA. 2.A.(2) WITH 28S FINAL 
WARNING INFORMATION.//
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