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Severe Event March 25th 2021


Bob's Burgers
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Just now, BrandonC_TX said:

Speaking of Atlanta, if this storm can hold together that long, it might try to make a run at the southern portion of the Atlanta metro area.  That would be very concerning.

Was just about to mention this. The environment it’s moving into suggests it could maintain its intensity.

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Mesoscale Discussion 0268
   NWS Storm Prediction Center Norman OK
   1026 PM CDT Thu Mar 25 2021

   Areas affected...parts of west-central GA

   Concerning...Tornado Watch 52...

   Valid 260326Z - 260430Z

   The severe weather threat for Tornado Watch 52 continues.

   SUMMARY...Tornado potential will maximize near the GA/AL border and
   eventually spread into the greater Atlanta exurbia through 1230 am
   EDT.  It is uncertain how far east the higher probabilities for a
   tornado will eventually develop due to increasingly marginal
   low-level moisture with east extent.

   DISCUSSION...Surface analysis indicates mid 60s deg F dewpoints
   straddling the GA/AL border in west-central GA to the east of a
   supercell with a history of producing tornadoes (likely strong) over
   east-central AL.  The latest RAP/NAM indicate lowest 100 mb mean
   mixing ratios increasing into the 13-14 g/kg range over the next
   hour with MLCAPE increasing from 750 J/kg to 1000-1200 J/kg.  The
   KFFC VAD showed 500 m2/s2 0-1km SRH within the moist/sufficiently
   unstable airmass. Current thinking is the increasingly rich
   low-level moisture (dewpoints rising from 64-65 to 66) may enable a
   greater risk for a tornado over the next hour or so.

   ..Smith.. 03/26/2021
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