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Mesoscale Discussion 88
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   Mesoscale Discussion 0088
   NWS Storm Prediction Center Norman OK
   0741 AM CST Sat Jan 21 2017

   Areas affected...Central and southern Alabama...western Florida
   Panhandle...and parts of west and southwest Georgia

   Concerning...Tornado Watch 11...

   Valid 211341Z - 211515Z

   The severe weather threat for Tornado Watch 11 continues.

   SUMMARY...The severe-weather threat including a tornado risk
   continues across WW 11 this morning.

   A new tornado watch will be coordinated soon to the east of WW 11
   for parts of west, southwest, and central Georgia.

   DISCUSSION...A well-developed MCS and associated mesolow are moving
   across central and southern Alabama, with the mesolow now located
   near or north of SEM.  A warm front extended east from the mesolow
   into west-central and central Georgia.  Low-level mass response
   continues to result in downstream moistening of the environment into
   eastern Alabama and southwest, west-central and central Georgia this
   morning.  This combined with strong deep-layer and strengthening
   low-level shear (0-1 km SRH of 300-400 m2/s2 in east and southeast
   Alabama) from west-east across the warm sector will continue to
   favor a threat for a few tornadoes, damaging winds and hail.  Given
   the supportive thermodynamics and kinematics, the discrete storms
   developing near the warm front (e.g. Troup County, GA) and the warm
   sector, as well as along two bands of storms in central and
   southwest Alabama will pose a risk for all severe hazards this
   morning (across WW 11) and across parts of Georgia this morning and

   ..Peters/Thompson.. 01/21/2017


   LAT...LON   31098839 32288697 33108685 33418598 33528493 33438438
               33368320 33078309 32048300 31638312 31148313 30868465
               30728544 30308601 30208713 30068829 31098839 

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