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ABIO10 PGTW 111800

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//

SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN

111800Z-121800ZAPR2024//

REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/101952ZAPR2024//

AMPN/REF A 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 10APR24 1800Z, TROPICAL CYCLONE 21S (OLGA) WAS LOCATED NEAR

21.2S 114.6E, APPROXIMATELY 72 NM NORTH-NORTHEAST OF LEARMONTH,

AUSTRALIA, AND HAD TRACKED SOUTHWESTWARD AT 10 KNOTS OVER THE PAST SIX

HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 30 KNOTS

GUSTING TO 40 KNOTS. SEE REF A (WTXS31 PGTW 102100) FOR THE FINAL

WARNING ON THIS SYSTEM.

      (2) NO OTHER TROPICAL CYCLONES.

   B. TROPICAL DISTURBANCE SUMMARY: NONE.

   C. SUBTROPICAL SYSTEM SUMMARY: NONE.

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