Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Dec 11 2022 12:29:11

ACUS01 KWNS 111229
SWODY1
SPC AC 111227

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0627 AM CST Sun Dec 11 2022

Valid 111300Z - 121200Z

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

....SUMMARY...
Severe storms are not expected through tonight.

....Synopsis...
A deep midlevel trough will move inland over CA to the lower CO
River Valley by the end of the period.  Cold midlevel temperatures
and associated steep lapse rates will contribute to weak buoyancy
and the potential for isolated, low-topped thunderstorms across
coastal CA/Central Valley into NV.  Farther downstream, a weak
shortwave trough will continue eastward over the Gulf Coast states,
with an associated threat for thunderstorms today along a
slow-moving cold front from southeast TX eastward to MS.  Severe
storms are not expected today as forcing for ascent and vertical
shear weaken during the day along the Gulf Coast, and buoyancy
remains weak across CA.

...Thompson/Leitman.. 12/11/2022

$$

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