Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Dec 31 2022 05:32:49

ACUS02 KWNS 310532
SWODY2
SPC AC 310530

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1130 PM CST Fri Dec 30 2022

Valid 011200Z - 021200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Severe thunderstorms are not expected on Sunday.

....Synopsis...

A large-scale upper trough will move east across much of the western
U.S. on Sunday. Surface low pressure will develop over the Great
Basin and track east toward the central Rockies. A few lightning
flashes will be possible across the Southwest Deserts amid
steepening midlevel lapse rates and strong ascent within fast deep
layer southwesterly flow. Further east, deepening low pressure over
the central Rockies and adjacent high Plains will result in
southerly return flow over the south-central U.S. Gulf moisture will
spread northward across southern/eastern TX into eastern OK and
AR/LA overnight Sunday into early Monday. A few lightning flashes
will be possible in the strong warm advection regime, but severe
thunderstorms are not expected.

...Leitman.. 12/31/2022

$$

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