Sunday, May 16, 2010

Two pre-monsoon circulations "93A" and "92B" !!

Latest Satellite shot of the TWO
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JTWC::
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(1) THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 9.0N 60.1E,
IS NOW LOCATED NEAR 8.5N 57.2E, APPROXIMATELY 390 NM EAST-SOUTHEAST
OF CAPE GUARDAFUI, SOMALIA. RECENT ANIMATED MULTISPECTRAL SATELLITE
IMAGERY SHOWS AN EXPANSIVE AREA OF DEEP CONVECTION THAT IS ROTATING
CYCLONICALLY. LOW LEVEL CLOUD LINES AND A 160146Z SSMIS MICROWAVE
IMAGE SUGGEST A DEVELOPING LOW LEVEL CIRCULATION CENTER (LLCC)
WITHIN THE SOUTHEASTERN QUADRANT OF THE CENTRAL CONVECTION. THIS
LOCATION IS CONSISTENT WITH STRONG UPPER LEVEL EASTERLIES THAT ARE
PROVIDING FAVORABLE VENTING YET ELEVATED VERTICAL WIND SHEAR.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS UPGRADED TO FAIR.
(2) AN AREA OF CONVECTION HAS PERSISTED NEAR 9.9N 90.3E,
APPROXIMATELY 750 NM SOUTH OF KOLKATA, INDIA. ANIMATED INFRARED
IMAGERY SHOWS A BROAD REGION OF CONVERGENCE AND MID-LEVEL CYCLONIC
TURNING. AN 1124Z SSMIS 91GHZ MICROWAVE IMAGE SHOWS A RELATIVELY
UNORGANIZED REGION OF CONVERGENCE AND ASSOCIATED DEEP CONVECTION. AN
1132Z WINDSAT SCATTEROMETER PASS SHOWS RELATIVELY STRAIGHT LINE FLOW
WITH STRONG CONVERGENCE AT THE SURFACE. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1008 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS POOR.

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