Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Dec 25 2023 08:58:39

ACUS48 KWNS 250858
SWOD48
SPC AC 250856

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0256 AM CST Mon Dec 25 2023

Valid 281200Z - 021200Z

....DISCUSSION...
A series of upper shortwave troughs will impact the eastern
two-thirds of the CONUS through the Day 4-8 period. This will result
in reinforcing continental/offshore trajectories, and a dearth of
boundary-layer moisture will prevail for most of the forecast
period, limiting thunderstorm potential. Further west, an upper
trough will move onshore the Pacific coast around Days 5-6/Fri-Sat.
Widespread rain and isolated thunderstorms ahead of the trough are
expected, though severe-storm potential will be low given generally
cool conditions and unfavorable thermodynamics.

...Leitman.. 12/25/2023

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