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Mesoscale Discussion 98
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   Mesoscale Discussion 0098
   NWS Storm Prediction Center Norman OK
   0814 PM CST Sat Jan 21 2017

   Areas affected...Parts of southeast Louisiana into adjacent southern

   Concerning...Tornado Watch 15...

   Valid 220214Z - 220315Z

   The severe weather threat for Tornado Watch 15 continues.

   SUMMARY...Severe/tornado risk continues to gradually shift northeast
   out of Tornado Watch 15 into adjacent watches.

   DISCUSSION...Latest radar loop shows isolated strong/locally severe
   storms moving east-northeast across parts of southeast Louisiana
   mainly north of I-10/I-12, near and north of the slowly
   northward-advancing warm front.  The evening LIX RAOB revealed a
   very potent severe-storm environment -- both kinematically and
   thermodynamically -- in the vicinity of the front, which continues
   to spread northeast into parts of Mississippi and Alabama.  Though
   local risk may linger across WW 15 beyond the scheduled 22/03Z
   expiration, expect the main severe/tornado potential to shift north
   of the watch over the next couple of hours.

   ..Goss.. 01/22/2017


   LAT...LON   30968944 30908844 30458844 30249031 30799155 31169158
               31329120 31249039 30968944 

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