ABIO10 PGTW 050930
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN
/REISSUED/050930Z-051800ZFEB2021//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/050151ZFEB2021//
REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/050752ZFEB2021//
NARR/REFS A AND B ARE TROPICAL CYCLONE WARNINGS.//
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 05FEB21 0000Z, TROPICAL CYCLONE 18S (EIGHTEEN) WAS 
LOCATED NEAR 25.1S 112.3E, APPROXIMATELY 195 NM SOUTH-SOUTHWEST OF 
LEARMONTH, AUSTRALIA, AND HAD TRACKED WEST- SOUTHWESTWARD AT 08 
KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE 
ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS31 PGTW 
050300) FOR THE FINAL WARNING ON THIS SYSTEM.
      (2) AT 05FEB21 0600Z, TROPICAL CYCLONE 19S (NINETEEN) WAS 
LOCATED NEAR 12.6S 81.4E, APPROXIMATELY 615 NM EAST-SOUTHEAST OF 
DIEGO GARCIA, AND HAD TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST 
SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 
KNOTS GUSTING TO 45 KNOTS. SEE REF B (WTXS32 PGTW 050900) FOR THE 
FINAL WARNING ON THIS SYSTEM.
      (3) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 90S) PREVIOUSLY LOCATED 
NEAR 12.6S 81.4E IS NOW THE SUBJECT OF A TROPICAL CYCLONE WARNING. 
SEE PARA 2.A.(2) FOR FURTHER DETAILS.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO 
WARNING STATUS.//
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