Subj : MESO: Mesoscale Discussion 2277
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Nov 20 2023 23:24:14

ACUS11 KWNS 202324
SWOMCD
SPC MCD 202323=20
LAZ000-MSZ000-TXZ000-210100-

Mesoscale Discussion 2277
NWS Storm Prediction Center Norman OK
0523 PM CST Mon Nov 20 2023

Areas affected...portions of central and eastern Louisiana

Concerning...Tornado Watch 711...

Valid 202323Z - 210100Z

The severe weather threat for Tornado Watch 711 continues.

SUMMARY...Ongoing severe storms will continue to pose a risk for a
few tornadoes across WW711 this evening.

DISCUSSION...Across parts of central LA, a band of convection has
shown slow maturation with a couple of supercells becoming
established from the broader convection over the last couple of
hour. Ongoing within a moist, and unstable environment, conditions
look favorable for these storms to maintain intensity this evening.
Strong mid and upper-level shear will continue to favor organized
storms including supercells and short line segments. While surface
winds have veered slightly this afternoon, low-level hodographs
remain long and supportive of strong low-level mesocyclones.
Low-level shear should increase to the east beneath a southwesterly
low-level jet. As storms mature they should remain capable of a few
tornadoes and damaging gusts across central and eastern LA this
evening.

...Lyons.. 11/20/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4b9UAKCs7bQ4rnztt93Gg75Hz_brYnG3A_LbFN1ijTHNQRbcKZeglpwSOPzOkD3AUBze17yrB=
GGYhKBd1sfNAbVsmbM$  for graphic product...

ATTN...WFO...JAN...LIX...LCH...SHV...

LAT...LON   30269317 30289358 30389379 30809361 31389301 31829247
            32069165 31999149 31689140 30769158 30599187 30309274
            30269317=20


=3D =3D =3D
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