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Mesoscale Discussion 56
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   Mesoscale Discussion 0056
   NWS Storm Prediction Center Norman OK
   0636 PM CST Sun Jan 15 2017

   Areas affected...Southwest/West Central Texas

   Concerning...Severe Thunderstorm Watch 7...

   Valid 160036Z - 160130Z

   The severe weather threat for Severe Thunderstorm Watch 7 continues.

   SUMMARY...Severe threat continues across much of the eastern and
   southern portions of WW07.  Large hail and locally damaging winds
   are the primary threats.

   DISCUSSION...Pre-frontal squall line is advancing steadily eastward
   across ww07 at roughly 30kt.  A few bowing line segments are
   embedded along the squall line and locally damaging winds,
   especially over Menard county, could be noted with these features. 
   At the southern end, a severe supercell will soon move out of
   Edwards county into Real county and this storm is likely producing
   very large hail.

   00z sounding from DRT exhibits steep low-midlevel lapse rates with
   SBCAPE on the order of 1200 J/kg.  With new storms developing along
   the primary cold front over Val Verde county this activity should
   continue to mature and likely produce large hail.

   ..Darrow.. 01/16/2017


   LAT...LON   28820191 32630097 32629838 28839941 28820191 

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