Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jun 02 2023 07:28:13

ACUS03 KWNS 020728
SWODY3
SPC AC 020726

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0226 AM CDT Fri Jun 02 2023

Valid 041200Z - 051200Z

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

....SUMMARY...
Organized severe thunderstorms appear unlikely on Sunday.

....Synopsis and Discussion...
Other than an upper trough/low approaching the coast of
southern/central CA, the synoptic-scale upper pattern across the
CONUS should change little on Sunday. Upper ridging is forecast to
remain centered over the northern Plains and central Canada through
the period, with a closed upper low slowly drifting east-
southeastward off the coast of New England. Another upper low should
persist over British Columbia. Generally weak mid/upper-level winds
are expected over a broad majority of the CONUS Sunday. This will
tend to limit deep-layer shear over the warm sector. While general
thunderstorms may occur from the Sierras eastward across the Great
Basin, Rockies, Plains, and into the Southeast/Appalachians, the
potential for a more focused corridor of organized severe convection
currently appears low. A greater concentration of thunderstorms may
occur across parts of the southern/central Plains along/south of
multiple boundaries leftover from prior days' convection, but weak
shear renders low confidence in any more than occasionally strong
thunderstorms across this region.

...Gleason.. 06/02/2023

$$

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