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Mesoscale Discussion 1988
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   MESOSCALE DISCUSSION 1988
   NWS STORM PREDICTION CENTER NORMAN OK
   0257 PM CST TUE DEC 23 2014

   AREAS AFFECTED...LOWER MISSISSIPPI VALLEY

   CONCERNING...TORNADO WATCH 560...

   VALID 232057Z - 232230Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 560 CONTINUES.

   SUMMARY...TORNADO THREAT CONTINUES...ESPECIALLY ACROSS PARTS OF
   SOUTHEAST LA...SOUTHERN MS...AND SOUTHWEST AL.

   DISCUSSION...WARM FRONT IS GRADUALLY ADVANCING NWD ACROSS SERN MS
   AND SRN AL WITH MID 60S SFC DEW POINTS COMMON ACROSS THE WARM
   SECTOR.  WARM FRONT APPEARS TO BE JUST SOUTH OF MEI TO NEAR SEM. 
   THIS BOUNDARY MAY YET LIFT NWD INTO CNTRL AL AS MESO LOW LOCATED
   NEAR MCB LIFTS NEWD.  ONE LONG-LIVED...WELL DEFINED POTENTIALLY
   TORNADIC SUPERCELL IS MOVING QUICKLY TOWARD JONES COUNTRY MS.  SHEAR
   REMAINS FAVORABLE FOR TORNADOES WITH THESE DISCRETE
   STRUCTURES...ESPECIALLY ALONG THE WARM FRONTAL CORRIDOR AHEAD OF
   MESO LOW.  OTHERWISE...UPWARD EVOLVING COLD-FRONTAL CONVECTION MAY
   BE NOTED INTO THE EVENING HOURS.

   ..DARROW.. 12/23/2014


   ATTN...WFO...BMX...MOB...JAN...LIX...LCH...SHV...

   LAT...LON   31589372 33008782 30098782 28669372 31589372 

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Page last modified: December 23, 2014
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