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Invest 92B now on the map and expected to develop next 3 days, 13/06utc update




NORTH INDIAN OCEAN/BAY OF BENGAL: INVEST 92B.

AN AREA OF CONVECTION (INVEST 92B) HAS PERSISTED NEAR 9.3N  97.9E, APPROXIMATELY 160 KM NORTH-NORTHWEST OF PHUKET, THAILAND.  ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A BROAD LOW-LEVEL  CIRCULATION (LLC) WITH PERSISTENT DEEP CONVECTION OVER THE CENTER. A  130024Z SSMIS 91GHZ IMAGE SHOWS A DISORGANIZED LLCC DUE TO THE  SYSTEM'S INTERACTION WITH THE MOUNTAINOUS MALAY PENINSULA. RECENT  ASCAT IMAGERY INDICATED SHARP TROUGHING WITH 10-15 KNOT WINDS OVER  THE ANDAMAN SEA AND 15-20 KNOT EASTERLIES OVER THE GULF OF THAILAND.  UPPER-LEVEL CONDITIONS ARE MARGINALLY FAVORABLE WITH MODERATE  EASTERLY VERTICAL WIND SHEAR OFFSET BY BROAD DIFFLUENCE ALOFT.  GLOBAL MODELS INDICATE STEADY DEVELOPMENT AS THE SYSTEM TRACKS OVER  THE ANDAMAN SEA, AWAY FROM LAND, AND TOWARD THE ANDAMAN ISLANDS OVER  THE NEXT 1 TO 2 DAYS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED  AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE  NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT  TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
AN AREA OF CONVECTION (INVEST 92B) HAS PERSISTED NEAR 9.3N 97.9E, APPROXIMATELY 160 KM NORTH-NORTHWEST OF PHUKET, THAILAND. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A BROAD LOW-LEVEL CIRCULATION (LLC) WITH PERSISTENT DEEP CONVECTION OVER THE CENTER. A 130024Z SSMIS 91GHZ IMAGE SHOWS A DISORGANIZED LLCC DUE TO THE SYSTEM'S INTERACTION WITH THE MOUNTAINOUS MALAY PENINSULA. RECENT ASCAT IMAGERY INDICATED SHARP TROUGHING WITH 10-15 KNOT WINDS OVER THE ANDAMAN SEA AND 15-20 KNOT EASTERLIES OVER THE GULF OF THAILAND. UPPER-LEVEL CONDITIONS ARE MARGINALLY FAVORABLE WITH MODERATE EASTERLY VERTICAL WIND SHEAR OFFSET BY BROAD DIFFLUENCE ALOFT. GLOBAL MODELS INDICATE STEADY DEVELOPMENT AS THE SYSTEM TRACKS OVER THE ANDAMAN SEA, AWAY FROM LAND, AND TOWARD THE ANDAMAN ISLANDS OVER THE NEXT 1 TO 2 DAYS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.

GFS DEPICTING INVEST 92B GRADUALLY DEVELOPING WITHIN THE NEXT 72H.

GLOBAL MODELS INDICATE STEADY DEVELOPMENT AS THE SYSTEM TRACKS OVER  THE ANDAMAN SEA, AWAY FROM LAND, AND TOWARD THE ANDAMAN ISLANDS OVER  THE NEXT 1 TO 2 DAYS.
GLOBAL MODELS INDICATE STEADY DEVELOPMENT AS THE SYSTEM TRACKS OVER THE ANDAMAN SEA, AWAY FROM LAND, AND TOWARD THE ANDAMAN ISLANDS OVER THE NEXT 1 TO 2 DAYS.

NORTH INDIAN OCEAN/BAY OF BENGAL: TC 04B. WARNING 2/FINAL WAS ISSUED AT 11/15UTC AFTER THE CENTER MADE LANDFALL NEAR CHENNAI/INDIA.

PEAK INTENSITY WAS 35 KNOTS.
0421110800  52N 923E  20
0421110806  61N 914E  20
0421110812  72N 901E  20
0421110818  76N 896E  20
0421110900  79N 890E  20
0421110906  86N 881E  20
0421110912  94N 873E  20
0421110918  97N 868E  20
0421111000  99N 859E  20
0421111006 104N 843E  25
0421111012 109N 832E  25
0421111018 122N 821E  30
0421111100 126N 816E  30
0421111106 130N 809E  35
0421111112 131N 800E  30
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Rédigé par PATRICK HOAREAU le Saturday, November 13th 2021 à 10:00