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Mesoscale Discussion 0153
NWS Storm Prediction Center Norman OK
0637 AM CST Wed Mar 04 2020
Areas affected...southeast Alabama...southern Georgia...Florida
Panhandle
Concerning...Severe potential...Watch possible
Valid 041237Z - 041500Z
Probability of Watch Issuance...60 percent
SUMMARY...Strong to severe storms may impact part of Georgia and
Florida later this morning. Damaging winds are most likely, but a
tornado is possible later today.
DISCUSSION...Storms continue to train across southern AL and now
into southwest GA as the outflow-reinforced front sags south. A
moist and unstable air mass remains ahead of the front, with 50-60
kt effective deep-layer shear parallel to the boundary. This should
continue to favor bowing structures capable of localized wind
damage, with sporadic marginal hail as well.
The TLH sounding shows a minor capping inversion around 700 mb, and
a deep moist layer below. Any heating later today ahead of the
boundary will aid severe potential. Effective SRH in excess of 200
m2/s2 is forecast along the front as well as 850 mb southwesterlies
increase to over 30 kt. This may support a supercell or two, and an
isolated tornado.
..Jewell/Thompson.. 03/04/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...JAX...FFC...TAE...BMX...MOB...
LAT...LON 32098654 32088483 32248268 32018234 31448226 30918251
30308326 29968453 30108591 30318682 30628732 30958750
31458751 31918708 31998695 32098654
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