Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Jul 13 2023 07:03:24

ACUS03 KWNS 130703
SWODY3
SPC AC 130702

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0202 AM CDT Thu Jul 13 2023

Valid 151200Z - 161200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE GREAT LAKES...OHIO VALLEY AND SOUTHERN APPALACHIANS....

....SUMMARY...
Thunderstorms with potential for strong wind gusts and hail are
expected to develop across parts of the Great Lakes region, Ohio
Valley and southern Appalachians on Saturday.

....Great Lakes/Ohio Valley/Southern Appalachians...
A broad cyclonic flow pattern will be in place across much of the
central and eastern U.S. on Saturday. At the surface, a moist
airmass will be in place throughout much of the eastern third of the
nation. As instability develops across this moist airmass during the
day, scattered thunderstorms will likely form from the Great Lakes
southward into the Ohio Valley and southern Appalachians. Although
deep-layer shear is forecast to remain below 30 knots in most areas,
marginally severe wind gusts will be possible as low-level lapse
rates steepen during the afternoon. Hail could also occur with the
stronger multicell storms.

...Broyles.. 07/13/2023

$$

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