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Mesoscale Discussion 88
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   Mesoscale Discussion 0088
   NWS Storm Prediction Center Norman OK
   0640 AM CST Thu Feb 06 2020

   Areas affected...Parts of east central Alabama into west
   central/northwest Georgia

   Concerning...Tornado Watch 26...

   Valid 061240Z - 061415Z

   The severe weather threat for Tornado Watch 26 continues.

   SUMMARY...Potential for the development of one or two supercells
   capable of producing tornadoes appears to be increasing, and could
   impact the Atlanta metropolitan area by 8-10 AM EST.

   DISCUSSION...A surface warm front has become at least somewhat
   better defined across the piedmont of Alabama and Georgia during the
   past couple of hours.  Along it, 12Z surface observations indicate
   that 2-hourly surface pressure falls remain maximized near the
   Greater Atlanta Metropolitan area, where surface dew point increases
   into the mid/upper 60s are contributing to at least weak boundary
   layer destabilization.  Low-level shear is becoming strong to
   extreme beneath 50-70 kt flow in the 850-700 mb layer, and some
   increase in clockwise hodograph curvature still appears possible
   ahead of gradually intensifying thunderstorms spreading across and
   east of the Anniston AL area.  Further intensification of this and
   nearby storms appears probable during the next couple of hours,
   including the possible evolution of supercells which could impact
   the Atlanta vicinity, accompanied by potential for producing
   tornadoes.

   ..Kerr.. 02/06/2020

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...FFC...BMX...

   LAT...LON   33318632 33988532 34058430 33418391 32698488 32558625
               32818659 33318632 

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Page last modified: February 06, 2020
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