ABIO10 PGTW 051800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN
/OCEAN/051800Z-061800ZNOV2021//
RMKS/
1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 90A) PREVIOUSLY LOCATED 
NEAR 10.7N 69.4E IS NOW LOCATED NEAR 13.6N 67.9E, APPROXIMATELY 674 
NM SOUTH OF KARACHI, PAKISTAN. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY (EIR) AND A 051202Z SSMIS 91GHZ IMAGE INDICATE SHALLOW 
BANDING WRAPPING INTO A BROAD LOW-LEVEL CIRCULATION CENTER (LLCC) 
WITH LIMITED DEEP CONVECTIVE BANDING OVER THE NORTH QUADRANT. GLOBAL 
MODELS INDICATE SLOW, MINIMAL DEVELOPMENT AS THE SYSTEM TRACKS 
WESTWARD FOR THE NEXT 24-48 HOURS. ENVIRONMENTAL CONDITIONS ARE 
MARGINALLY FAVORABLE WITH ROBUST POLEWARD OUTFLOW, WARM (28-29C) SEA 
SURFACE TEMPURATURES, LOW TO MODERATE (10-20KT) VERTICAL WIND SHEAR 
OFFSET BY DRY AIR ENTRAINMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE 
ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED 
TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A 
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.//
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