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ACUS11 KWNS 300245
SWOMCD
SPC MCD 300244=20
SCZ000-NCZ000-GAZ000-TNZ000-ALZ000-300445-

Mesoscale Discussion 2081
NWS Storm Prediction Center Norman OK
0844 PM CST Wed Dec 29 2021

Areas affected...northern Georgia into the far western Carolinas

Concerning...Severe potential...Watch likely=20

Valid 300244Z - 300445Z

Probability of Watch Issuance...80 percent

SUMMARY...Storms moving out of Tennessee and Alabama may continue to
pose a damaging wind and brief tornado threat.

DISCUSSION...A long-lived line of storms currently extends from far
eastern TN into northeast AL, with QLCS structures observed on radar
with a brief tornado possibly occurring in DeKalb County AL.

Surface analysis shows mid 60s F dewpoints have spread into the
Atlanta area, with low 60s F approaching western NC. This is
resulting in sufficient SBCAPE to sustain a damaging wind and
tornado risk, as shear remains strong. 0-1 SRH of 250-300 m2/s2
currently resides ahead of the line of storms, and strongly favors
low-level rotation. As such, the QLCS tornado and wind risk is
expected to continue eastward, and a new watch may be necessary
soon.

..Jewell/Bunting.. 12/30/2021

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!qbfUczqkCnEiPt-dkXQXoHsSK3UoDZYonwwpZstgfqSNnHJl4xWFtzASfG7oPFeEEKVj_weR$=
for graphic product...

ATTN...WFO...GSP...MRX...FFC...BMX...HUN...

LAT...LON 33908633 34188610 34408582 34728506 35098466 35288429
35638261 35528213 35308191 34898184 34448193 34058256
33808390 33788451 33738547 33788614 33908633=20



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