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Mesoscale Discussion 337
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   MESOSCALE DISCUSSION 0337
   NWS STORM PREDICTION CENTER NORMAN OK
   0232 PM CDT SUN APR 13 2014

   AREAS AFFECTED...ERN KS INTO NWRN MO

   CONCERNING...SEVERE THUNDERSTORM WATCH 73...

   VALID 131932Z - 132100Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 73
   CONTINUES.

   SUMMARY...THREAT FOR SEVERE WIND GUSTS MAY INCREASE SHORTLY WITH
   EVOLVING SQUALL LINE.

   DISCUSSION...THE STRONG SURFACE COLD FRONT HAS RAPIDLY OVERTAKEN THE
   DRYLINE...FROM PARTS OF NORTHEAST KANSAS SOUTHWARD INTO NORTH
   CENTRAL OKLAHOMA.  ASSOCIATED CONTRIBUTION TO LARGE-SCALE UPWARD
   VERTICAL MOTION IS SUPPORTING UPSCALE CONVECTIVE GROWTH...WITH THE
   EVOLUTION OF A SQUALL LINE NOW WELL UNDERWAY.  AS THIS CONVECTION
   ADVANCES EASTWARD INTO THE NARROW PRE-FRONTAL AXIS OF STRONGER
   SURFACE HEATING AND BOUNDARY LAYER DESTABILIZATION...FURTHER
   INTENSIFICATION OF STORMS APPEARS LIKELY WEST/SOUTHWEST OF KANSAS
   CITY...TOWARD THE CHANUTE KS AREA THROUGH 21-23Z.  GIVEN THE
   PRESENCE OF 30-40 KT SOUTHERLY 850 MB FLOW ACROSS THIS REGION...
   HEAVY PRECIPITATION LOADING...COOLING IN DOWNDRAFTS ASSOCIATED WITH
   MELTING...AND THE DOWNWARD TRANSFER OF MOMENTUM...ARE EXPECTED TO
   CONTRIBUTE TO INCREASING POTENTIAL FOR SEVERE WIND GUSTS.

   ..KERR.. 04/13/2014


   ATTN...WFO...EAX...TOP...ICT...

   LAT...LON   37279665 38189628 38509587 39169547 39459543 40059501
               39789412 38919469 37119630 37279665 

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Page last modified: April 13, 2014
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