Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Dec 30 2022 08:03:11

ACUS03 KWNS 300803
SWODY3
SPC AC 300802

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0202 AM 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 deepen as it shifts east across the
western U.S., becoming positioned over the central/southern Rockies
vicinity by early Monday. As this occurs, a surface low will develop
over UT and shift east toward CO through Sunday evening. Steepening
midlevel lapse rates will support meager elevated instability ahead
of a Pacific front, and a few lightning flashes will be possible
across the Four Corners vicinity.

Overnight, low pressure will deepen over the central/southern High
Plains and strong southerly low-level flow will transport Gulf
moisture northward across coastal/eastern TX into OK and the
ArkLaTex vicinity. A few lightning flashes will be possible in the
strong warm-advection regime overnight Sunday, however severe
convection is not expected.

...Leitman.. 12/30/2022

$$

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