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Mesoscale Discussion 113
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   Mesoscale Discussion 0113
   NWS Storm Prediction Center Norman OK
   1102 AM CST Sun Jan 22 2017

   Areas affected...portions of the FL panhandle into far southeast AL
   and southwest GA

   Concerning...Tornado Watch 20...

   Valid 221702Z - 221800Z

   The severe weather threat for Tornado Watch 20 continues.

   SUMMARY...The near-term tornado and damaging wind threat is
   increasing across the MCD area.

   DISCUSSION...Conditions are rapidly evolving across parts of the FL
   panhandle into far southeast AL/southwest GA. As rapid
   intensification of the surface low over Escambia County FL/Baldwin
   County AL continues, the warm front is quickly lifting northward
   from near the FL/AL/GA border into southern AL/GA. To the south of
   the boundary, surface observations over the last hour indicate quick
   airmass recovery is occurring with temperatures warming from the mid
   60s into the low 70s and dewpoints slowly rebounding. As a line of
   strong to severe storms currently extending from near Covington
   County AL south/southwest into the Gulf tracks east into the
   recovering boundary layer, increasingly favorable deep layer shear
   will be encountered. 1636Z VWP data from TLH indicates 0-1km SRH
   values great than 350 m2/s2 and the tornado and damaging wind threat
   will increase quickly in the short-term across the MCD area.

   ..Leitman.. 01/22/2017


   LAT...LON   30718653 31138615 31298556 31118472 30798439 30278438
               29998446 29628479 29578529 29698590 30018637 30298657

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