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Mesoscale Discussion 389
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   MESOSCALE DISCUSSION 0389
   NWS STORM PREDICTION CENTER NORMAN OK
   0941 PM CDT SUN APR 19 2015

   AREAS AFFECTED...AR...LA

   CONCERNING...TORNADO WATCH 83...

   VALID 200241Z - 200345Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 83 CONTINUES.

   SUMMARY...SEVERE THREAT WILL SHIFT EAST AND BE PRIMARILY EAST OF
   WW83 BY 04Z.

   DISCUSSION...LARGE SCALE FORCING IS SPREADING ACROSS THE LOWER MS
   VALLEY AND ASSOCIATED CONVECTION IS PROGRESSING EWD AT ROUGHLY
   35-40KT.  THIS ACTIVITY WILL SOON SPREAD EAST OF WW83 AND ONLY
   LINGERING SHOWERS/ISOLATED THUNDERSTORMS CAN BE EXPECTED AFTER 04Z.

   ..DARROW.. 04/20/2015


   ATTN...WFO...MEG...JAN...LZK...LCH...SHV...

   LAT...LON   31469415 35729297 35719047 31469177 31469415 

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