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Mesoscale Discussion 242
MD 242 graphic
   
   MESOSCALE DISCUSSION 0242
   NWS STORM PREDICTION CENTER NORMAN OK
   0126 PM CST THU MAR 13 2003
   
   AREAS AFFECTED...SRN LA
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 42...
   
   VALID 131926Z - 132130Z
   
   THREAT OF DAMAGING WINDS AND SEVERE HAIL CONTINUES ACROSS SRN AND
   ERN PARTS OF WW042.
   
   RECENT RADAR DATA FROM NEW ORLEANS SUGGEST AN INTENSIFYING TREND
   TO LINE OF TSTMS THAT EXTENDS FROM WASHINGTON PARISH SWWD TO ST.
   JAMES PARISH. THE 18Z NEW ORLEANS SOUNDING INDICATED THAT THE
   AIRMASS OVER SRN LA AND FAR SERN MS HAS BECOME MODERATELY
   UNSTABLE WITH MLCAPES OF 1500-2000 J/KG. LOCAL VWP/S CONTINUE TO
   INDICATE UNIDIRECTIONAL WIND PROFILES WITH A MODERATE AMOUNT OF
   DEEP-LAYER SHEAR. THUS...IT APPEARS THAT THE THREAT OF DAMAGING
   WINDS AND SEVERE HAIL WILL CONTINUE WITH THE STRONGEST TSTMS
   GIVEN THE MODERATE AMOUNTS OF SHEAR AND INSTABILITY.
   
   ..MEAD.. 03/13/2003
   
   
   ATTN...WFO...LIX...LCH...
   
   30469118 30709052 30708969 30518925 29728940 29419013
   29489090 29869170 
   
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