Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Mar 21 2023 00:53:45

ACUS01 KWNS 210053
SWODY1
SPC AC 210052

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0752 PM CDT Mon Mar 20 2023

Valid 210100Z - 211200Z

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

....SUMMARY...
Severe thunderstorms are not expected today.

....Discussion...
Quasi-zonal flow aloft will generally prevail through the end of the
period, though height falls will increase over the California/Nevada
vicinity overnight as an upper low over the eastern Pacific digs
southeastward toward the West Coast.  Short-wave perturbations
within the westerlies will continue to cross the Intermountain West
and into the central Plains region, for the remainder of the period.

While sporadic/local lightning is still ongoing over portions of the
Intermountain West, in part associated with the aforementioned
perturbations, coverage should further diminish overnight.  However,
lightning -- emanating from isolated/elevated thunderstorms -- may
evolve over portions of the Oklahoma/Kansas vicinity later this
evening/overnight, within a warm-air-advection regime associated
with a strengthening southerly low-level jet.

In all areas, no severe weather is expected.

...Goss.. 03/21/2023

$$

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