|Mesoscale Discussion 43|
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Mesoscale Discussion 0043
NWS Storm Prediction Center Norman OK
0316 PM CST Sat Jan 11 2020
Areas affected...Portions of eastern AL...western GA...eastern
TN...and far southwestern NC
Concerning...Tornado Watch 15...
Valid 112116Z - 112245Z
The severe weather threat for Tornado Watch 15 continues.
SUMMARY...Scattered to numerous damaging winds should be the main
severe threat across Tornado Watch 15 for the next couple of hours.
A brief/isolated tornado may also occur. A local extension in area
may be needed for parts of eastern Tennessee based on recent radar
DISCUSSION...Numerous damaging wind reports have occurred across
central/eastern AL over the past several hours as a well established
squall line has moved east-northeastward. Damaging winds of 50-60+
mph will likely remain the primary severe risk across eastern AL
into western GA and parts of southeastern TN in the short term as
weak but sufficient instability exists downstream of the ongoing
convection. In addition, strong low-level shear, as shown in various
VWPs from this region, will support an embedded isolated tornado
threat for at least the next couple of hours. Weak destabilization
has also occurred into more of eastern TN this afternoon, which may
necessitate a northward extension in area of Tornado Watch 15 for
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 33148430 31968451 32018511 32078578 32338588 32838601
33428589 34868513 35378516 35688520 36168483 36358423
36278356 36068311 35678316 34958344 34058370 33148430
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