Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Aug 25 2023 07:29:31

ACUS03 KWNS 250729
SWODY3
SPC AC 250728

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0228 AM CDT Fri Aug 25 2023

Valid 271200Z - 281200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE CAROLINAS AND VICINITY...

....SUMMARY...
Occasional strong to damaging winds may occur Sunday across parts of
the Carolinas and vicinity.

....Carolinas and Vicinity...
Upper ridging will remain anchored over the Southwest on Sunday,
while an upper trough should persist over much of eastern Canada
into the Northeast and Mid-Atlantic. Rich low-level moisture is
forecast to be in place along/south of a weak front which should
extend from parts of the southern Mid-Atlantic south-southwestward
into the Southeast and lower MS Valley. Even with generally poor
mid-level lapse rates present across these regions, moderate to
strong instability should develop Sunday afternoon across much of
the warm sector. Deep-layer shear appears modest at best for most of
the Southeast, but up to 15-25 kt of mid-level west-southwesterly
flow may exist on the southern periphery of the upper trough across
the Carolinas and vicinity. As low-level lapse rates steepen, an
isolated threat for damaging winds should develop as thunderstorms
initially form Sunday afternoon along/near the weak surface
boundary, and slowly spread east-southeastward through the early
evening.

...Gleason.. 08/25/2023

$$

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