Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Oct 22 2023 08:05:24

ACUS48 KWNS 220805
SWOD48
SPC AC 220803

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0303 AM CDT Sun Oct 22 2023

Valid 251200Z - 301200Z

....DISCUSSION...
The upper trough over the southern Rockies vicinity early Day 4/Wed
will lift northeast across the central/southern Plains by Day 5/Thu
morning. Widespread rainfall and isolated thunderstorms will be
possible, but severe potential appears low given weak instability.
Beyond Day 4/Wed, large spread among forecast guidance results in
low predictability. In the mean, a series of troughs will likely
migrate across the western U.S. while upper ridging persists near
the eastern U.S. While periods of showers and thunderstorms are
possible from the southern/central Plains into the Midwest within
this general pattern, severe potential appears limited as a cold
front will likely sweep east/southeast across the Plains/Midwest
around Day 5/Thu or Day 6/Fri.

...Leitman.. 10/22/2023

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