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Mesoscale Discussion 1782
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   Mesoscale Discussion 1782
   NWS Storm Prediction Center Norman OK
   0605 PM CST Mon Dec 04 2017

   Areas affected...parts of Missouri and adjacent west-central
   Illinois

   Concerning...Severe Thunderstorm Watch 518...

   Valid 050005Z - 050200Z

   The severe weather threat for Severe Thunderstorm Watch 518
   continues.

   SUMMARY...Severe risk -- mainly in the form of gusty winds --
   continues locally within WW 518.

   DISCUSSION...Latest radar loop shows a somewhat broken line of
   storms along the advancing cold front, with gradual decreases in
   intensity noted over the past hour.  With surface analyses showing a
   gradually cooling boundary layer, and afternoon special RAOBs
   showing that cooling to have a very deleterious effect on available
   CAPE, expect the decreasing trend in updraft intensity to continue. 
   While a locally damaging gust will be possible with a few stronger
   elements within the convective band over the next 1-2 hours, risk
   should gradually diminish -- and appreciable risk is not expected to
   extend east of the current WW.

   ..Goss.. 12/05/2017

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...ILX...LSX...LZK...SGF...TSA...

   LAT...LON   36509210 36459441 38479236 40199157 40179076 39859040
               38089158 36509210 

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Page last modified: December 05, 2017
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