Subj : MESO: Mesoscale Discussion 1275
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Jun 26 2023 06:27:18

ACUS11 KWNS 260627
SWOMCD
SPC MCD 260626=20
ARZ000-LAZ000-TXZ000-OKZ000-260800-

Mesoscale Discussion 1275
NWS Storm Prediction Center Norman OK
0126 AM CDT Mon Jun 26 2023

Areas affected...Southeast OK...Southern AR...Far Northern
LA...Extreme Northeast TX

Concerning...Severe Thunderstorm Watch 385...

Valid 260626Z - 260800Z

The severe weather threat for Severe Thunderstorm Watch 385
continues.

SUMMARY...Severe thunderstorms are expected to persist for at least
the next few hours across the region, and an additional watch will
be needed.

DISCUSSION...Regional radar imagery shows ongoing thunderstorm in a
northwest to southeast corridor across southern AR, just to the
north of a slow-moving outflow boundary. Limited low-level
convergence along this boundary, coupled with ample low-level
moisture and steep mid-level lapse rates, is expected to support
strong to severe thunderstorms throughout the morning. Some
additional development appears possible back farther west into
southeast OK.=20

Expectation is for this corridor of storms to slowly sag southward
over time. Given the strong buoyancy and shear in place, occasional
updrafts will likely be strong enough to produce large hail. A few
stronger downdrafts capable of penetrating the shallow low-level
stability are possible as well. Severe Thunderstorm Watch 385 will
expire at 07Z, and an additional watch will be needed over the
region, with some southward extension, to cover the continuing
severe-storm threat.

...Mosier/Edwards.. 06/26/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!7pnCeyLe89PDYQxqVTvdQNsoN5X9SyNxNkVjIjwkBSqOVqPRaskr9oPeD7BXkOkdCSmD3y4wC=
xjJ0ec02ZcCRJYnyCA$  for graphic product...

ATTN...WFO...JAN...LZK...SHV...TSA...FWD...

LAT...LON   33469499 34069558 34839569 34859469 33899157 32849139
            32889356 33469499=20


=3D =3D =3D
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