Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun May 14 2023 05:41:14

ACUS02 KWNS 140541
SWODY2
SPC AC 140539

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1239 AM CDT Sun May 14 2023

Valid 151200Z - 161200Z

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

....SUMMARY...
Severe-weather threat is forecast to remain generally low across the
U.S. Monday.

....Discussion...
A mid-level short-wave trough -- embedded within broader eastern
U.S. troughing -- is expected to advance southeastward into/across
the western Atlantic Monday.  As this occurs, surface high pressure
will continue to shift/expand southward across much of the country.
A weakening surface cold front, at the leading edge of the advancing
cooler/drier continental airmass, will suppress higher theta-e air
gradually southward, with appreciable instability limited to areas
from the southern Plains eastward, and the Ozarks/Ohio Valley region
southward.

Ahead of the front, where a more moist/unstable airmass will linger,
showers and thunderstorms are expected through the period.  However,
relatively weak flow aloft suggests disorganized storms, and severe
potential even with the stronger storms likely to remain limited.

Showers and thunderstorms will also develop across a large portion
of the West, with a noted diurnal peak during the afternoon and
evening.  Here too, little appreciable risk for severe weather is
evident.

...Goss.. 05/14/2023

$$

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