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From: COD Weather Processor <ldm@weather.cod.edu>
To: <wx-tropl@lists.illinois.edu>
Subject: Indian-S: Subj/significant Tropical Weather Advisory For The Indian 
Message-ID: <20220306114250.C9EAA1C0EEE@weather.cod.edu>
Date: Sun, 6 Mar 2022 11:42:50 +0000
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TROPICAL WEATHER INFORMATION FOR THE INDIAN OCEAN
ABIO10 PGTW 061230
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN
/OCEAN/REISSUED/061230Z-061800ZMAR2022//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/061151ZMAR2022//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
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: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1)  THE AREA OF CONVECTION (INVEST 97S) PREVIOUSLY LOCATED
NEAR 16.5S 54.9E IS NOW LOCATED NEAR 16.2S 54.8E, APPROXIMATELY
328NM EAST OF TOAMASINA, MADAGASCAR. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY (MSI) AND A 060950Z GMI 89GHZ MICROWAVE IMAGE
DEPICT A WELL DEFINED LOW LEVEL CIRCULATION CENTER (LLCC)WITH
FRAGMENTED CONVECTIVE BANDING BEGINNING TO WRAP INTO THE LLCC, WHILE
A RELATIVELY RECENT 060604Z ASCAT PASS REVEALS A SWATH OF 25 KNOT
WINDS WRAPPING INTO THE LLCC FROM THE SOUTH. ANALYSIS INDICATES THE
ENVIRONMENT IS FAVORABLE FOR TROPICAL CYCLONE DEVELOPMENT WITH
BURGEONING RADIAL OUTFLOW, LOW VERTICAL WIND SHEAR (05-15KTS), AND
WARM SEA SURFACE TEMPERATURES (28-29C). GLOBAL MODELS ARE IN GOOD
AGREEMENT THAT 97S WILL REMAIN GENERALLY QUASI-STATIONARY AND
MEANDER WEST TOWARDS MADAGASCAR, HOWEVER THE TIMING OF WHEN 97S
REACHES WARNING CRITERIA DIFFERS, WITH GFS INTENSIFYING THE
DISTURBANCE TO A TROPICAL STORM WITHIN 24-36 HOURS WHILE ECMWF HOLDS
THE INTENSITY BELOW TROPICAL STORM STRENGTH UNTIL LANDFALL.  MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR
THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS UPGRADED TO HIGH. SEE REF A (WTIO21 PGTW 061200) 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
HIGH.//
NNNN


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