Subj : MESO: Mesoscale Discussion 2308
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Dec 09 2023 22:16:54

ACUS11 KWNS 092215
SWOMCD
SPC MCD 092215=20
TNZ000-KYZ000-092345-

Mesoscale Discussion 2308
NWS Storm Prediction Center Norman OK
0415 PM CST Sat Dec 09 2023

Areas affected...Parts of middle TN

Concerning...Tornado Watch 714...715...

Valid 092215Z - 092345Z

The severe weather threat for Tornado Watch 714, 715 continues.

SUMMARY...A short-term tornado threat continues with ongoing
supercells.

DISCUSSION...At 2215 UTC, long-lived supercells are ongoing north
and west of Nashville, within an environment characterized by modest
instability but favorable low-level and deep-layer shear. Recent
VWPs from KOHX depict 0-1 km SRH of greater than 200 m2/s2, which
will continue to support a tornado threat for as long as instability
remains sufficient. While an increase in storm coverage and tendency
toward more of a linear mode is expected with time, the ongoing
supercells are sufficiently ahead of the cold front to remain
relatively discrete in the short term as they move quickly
east-northeastward across northern middle TN.

...Dean.. 12/09/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_ye3FwBZ4aj0A5Q6C3Ri9XTyRkemChxP2QV7yastCgeEKwJkFL_nxhUmp3Z-jsqB746e_uGhu=
Z3svc2lcWiH9OztHqY$  for graphic product...

ATTN...WFO...LMK...OHX...

LAT...LON   35898784 36358699 36688679 36668616 36058628 35588667
            35548721 35638761 35818784 35898784=20


=3D =3D =3D
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