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ACUS11 KWNS 302335
SWOMCD
SPC MCD 302335=20
SCZ000-GAZ000-310130-
Mesoscale Discussion 2088
NWS Storm Prediction Center Norman OK
0535 PM CST Thu Dec 30 2021
Areas affected...southern Georgia into far southern South Carolina
Concerning...Severe Thunderstorm Watch 572...
Valid 302335Z - 310130Z
The severe weather threat for Severe Thunderstorm Watch 572
continues.
SUMMARY...The threat for marginal hail and a brief tornado continues
across the watch area.
DISCUSSION...Scattered storms persist this evening across southern
GA into far southern SC, beneath moderate west/southwest flow aloft
and focused along an east-west oriented outflow boundary. MLCAPE of
1000-1500 J/kg remains over GA, with effective deep-layer shear
around 55 kt. Low-level shear remains favorable for rotating storms
as well, and 0-1 km SRH over 150 m2/s2 may support a brief tornado.
Indeed, a pair of supercells currently exist across south-central
GA, near the western part of the boundary with better access to the
most unstable air.
The primary severe risk may persist for a 1-2 more hours before the
boundary layer stabilizes further. WW 572 is set to expire at 0200Z,
but local extensions could be needed if isolated cells remain severe
beyond that time.
..Jewell.. 12/30/2021
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!uR8_C1MdNFuKexnabraDGiM9vc67NrpP2w07-lK97FJAnXyjbb8YA5dzw87bEzfJ9DJy1DB1$=
for graphic product...
ATTN...WFO...CHS...JAX...FFC...TAE...
LAT...LON 30848135 30938268 30988313 31208361 31598389 32018374
32308337 32558307 32578236 32518167 32348108 32098078
32018078 31668106 31188127 30848135=20
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