Wednesday 6 March 2013

Current Southern Hemisphere Tropical Systems



THE AREA OF CONVECTION PREVIOUSLY LOCATED NEAR 11.6S 72.7E 
IS NOW LOCATED NEAR 12.8S 74.8E, APPROXIMATELY 345 NM SOUTH-
SOUTHEAST OF DIEGO GARCIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY 
DEPICTS A CONSOLIDATING LOW-LEVEL CIRCULATION CENTER (LLCC) WITH 
IMPROVED DEEP CONVECTIVE BANDING WRAPPING INTO A WELL-DEFINED LLCC. 
A 060101Z SSMIS 37 GHZ IMAGE SHOWS MULTIPLE CONVECTIVE BANDS OVER 
THE NORTHERN AND EASTERN SEMI-CIRCLES OF THE LLCC. UPPER-LEVEL 
ANALYSIS REVEALS A MARGINAL ENVIRONMENT WITH MODERATE (10 TO 20 
KNOTS) VERTICAL WIND SHEAR AND DIFFLUENT WESTERLY FLOW. MAXIMUM 
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA 
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB. THE POTENTIAL FOR 
THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 
HOURS IS UPGRADED TO MEDIUM.
 
- JTWC + Eumetsat 

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