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Mesoscale Discussion 1784
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   Mesoscale Discussion 1784
   NWS Storm Prediction Center Norman OK
   0807 PM CST Thu Dec 07 2017

   Areas affected...South-central TX

   Concerning...Heavy snow 

   Valid 080207Z - 080400Z

   SUMMARY...Narrow band of moderate snow with rates near 1"/hr that
   has affected areas from Austin to College Station should gradually
   shift east and weaken by midnight.

   DISCUSSION...Ongoing 10-20 mile wide band of moderate snow has
   yielded snowfall accumulations of 1-2" from Austin to College
   Station over the past 90-120 minutes. Latest RAP and HRRR guidance
   suggest that substantial drying in the 850-700 mb layer, sampled
   well by the 00Z Fort Worth sounding, should lead to the demise of
   this band over the next 2-3 hours. Until that occurs, snowfall rates
   of 0.5-1.0"/hr will probably be maintained for another tier of
   counties east of the ongoing band, roughly from Gonzales to
   Washington/Grimes counties.

   ..Grams.. 12/08/2017

   ...Please see for graphic product...


   LAT...LON   29609827 29949766 30449684 30799623 30889587 30669574
               30519589 30129644 29629725 29449765 29319791 29349816
               29399834 29609827 

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