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Severe WX Severe Weather Threat - December 8th-10th, 2023

Couplet very strong and over Killen.
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These storms are moving into a quite favorable environment in terms of shear.
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Certainly might have tons of whack a moles to warn for if those shear profiles do continue to become more favorable through the night, seem to have a lot of severe reports on the south and east side of the risk area
 
Equus said:
Certainly might have tons of whack a moles to warn for if those shear profiles do continue to become more favorable through the night, seem to have a lot of severe reports on the south and east side of the risk area
Click to expand...
From MD 2311.
SUMMARY...The threat of tornadoes, damaging winds, and large hail
will continue into the evening. Storm coverage along the front will
eventually increase and become more linear. Damaging winds and
embedded QLCS circulations/tornadoes will become the predominant
threats with time.

DISCUSSION...Convection in the western portions of WW 716 have
largely remained a broken line with embedded supercells. More
discrete storms remain in southeastern Mississippi which developed
along a mesoscale boundary earlier in the afternoon. Area VAD
profiles as well as forecast soundings suggest a continued threat of
tornado, large hail, and damaging wind gusts into the evening. As
the synoptic trough continues to dig southeastward and amplify, more
convection should develop along the cold front in Mississippi.
Though storms would be more linear, sufficient low-level shear
should exist for a QLCS tornado threat.

A more organized supercell storm currently in Jasper County, MS,
continues east-northeastward. Given the more modest deep-layer
ascent and marginally less favorable thermodynamics in Alabama, it
is not certain how far north/east the storm will progress. Should
this supercell persist, as can occur even in less than ideal
environments, low-level shear will improve later this evening in
parts of central Alabama. This activity would pose a greater tornado
threat should that scenario occur.
Click to expand...
 
WKRN relays report of "mass casualties" in Clarksville, TN, probably referencing the multiple reported fatalities.
 
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