Saturday, October 29, 2011

S.central Arabian sea LOW "95A"

Location :  13 0 N and 63 7 E
Pressure : 1004mb


Satellite IR at 7am
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JTWC warning
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THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 10.6N 
64.6E, IS NOW LOCATED NEAR 10.6N 64.5E, APPROXIMATELY 780 NM EAST OF 
CAPE GUARDAFUI, SOMALIA . ANIMATED WATER VAPOR IMAGERY SHOWS BROKEN, 
SCATTERED CONVECTION DISPLACED TO THE NORTH OF A BROAD, SLIGHTLY 
ELONGATED, YET WELL DEFINED LOW LEVEL CIRCULATION CENTER (LLCC) 
EMBEDDED IN THE MONSOON DEPRESSION. A 280551Z ASCAT PASS CONFIRMS 
THE BROAD LLCC, WITH 20 TO 25 KNOT WINDS TO THE NORTH, AND LIGHTER 
10 TO 15 KNOTS TO THE SOUTH AND EAST. UPPER LEVEL ANALYSIS INDICATES 
THAT THE LLCC IS IN A DIVERGENT REGION, SOUTH OF THE SUBTROPICAL 
RIDGE AXIS IN AN AREA OF LOW (5 TO 10 KNOTS) VERTICAL WINDSHEAR, 
WITH AN ANTICYCLONE TO THE NORTHEAST PROVIDING AMPLE OUTFLOW. SEA 
SURFACE TEMPERATURES IN THE AREA ARE APPROXIMATELY 29 DEGREES 
CELSIUS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. 
THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE 
WITHIN THE NEXT 24 HOURS REMAINS MEDIUM.

COLA GFS model suggests that "95A" may become as a Depression and move very slowly in N-N-W direction for next 24hrs.

3 comments:

  1. Mumbai already cloudy and windy.

    This is 3rd or 4th time in a row for depressions to occur in Arabian sea during oct/nov/dec!!!
    This is inspite of record SWM during june-oct.

    ReplyDelete
  2. Mumbai already cloudy and windy.

    This is 3rd or 4th time in a row for depressions to occur in Arabian sea during oct/nov/dec!!!
    This is inspite of record SWM during june-oct.

    ReplyDelete
  3. sorry meant 3rd or 4th time in subsequent years

    ReplyDelete