ABIO10 PGTW 301800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/301800Z-
311800ZMAR2023//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/301352ZMAR2023//
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 30MAR23 1200Z, TROPICAL CYCLONE 17S (HERMAN) WAS LOCATED 
NEAR 15.6S 105.4E, APPROXIMATELY 636 NM NORTHWEST OF LEARMONTH, 
AUSTRALIA, AND HAD TRACKED EAST- SOUTHEASTWARD AT 08 KNOTS OVER THE PAST 
SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 70 KNOTS 
GUSTING TO 100 KNOTS. SEE REF A (WTXS31 PGTW 301500) FOR FURTHER DETAILS.
      (2) NO OTHER TROPICAL CYCLONES.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.//
NNNN