Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jul 14 2023 05:44:10

ACUS02 KWNS 140544
SWODY2
SPC AC 140542

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1242 AM CDT Fri Jul 14 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 on Saturday across parts of the Great Lakes
region, Ohio Valley and southern Appalachians.

....Great Lakes/Ohio Valley/Southern Appalachians...
A broad cyclonic mid-level flow pattern will remain in place on
Saturday across much of the eastern two-thirds of the nation. A
shortwave trough, embedded in the larger-scale pattern, is forecast
to move eastward across the Great Lakes and Ohio Valley. At the
surface, a sub-1000 mb low will likely deepen and move into the
Great Lakes as a cold front advances eastward into the Ohio and
Tennessee Valleys. Ahead of the front, surface dewpoints will likely
be in the upper 60s and lower 70s F. As instability develops across
this moist airmass during the day, scattered thunderstorms are
expected to form near and to the east of the front. Ahead of the
front within this airmass, deep layer shear is generally forecast to
be from 25 to 35 knots. The strongest deep-layer shear is not
forecast to be phased well with the instability axis. For this
reason, any severe threat is expected to be marginal. The potential
for gusty winds and hail will likely be associated the multicell
short-line segments during the late afternoon and early evening.

...Broyles.. 07/14/2023

$$

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