Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Apr 29 2023 07:16:27

ACUS03 KWNS 290716
SWODY3
SPC AC 290715

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0215 AM CDT Sat Apr 29 2023

Valid 011200Z - 021200Z

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

....SUMMARY...
The severe-thunderstorm threat is expected to be low on Monday.

....Synopsis...
A highly amplified pattern is expected to persist on Monday. A deep
longwave trough will remain in place across the central/eastern
CONUS, with a large deep-layer cyclone remaining centered somewhere
near the upper Great Lakes region. Dry and stable conditions will
prevail over most areas east of the Rockies, with very limited
thunderstorm potential. Some low-level moisture return will be
possible across south TX, but this area will likely remain capped
through the period.

Across the West, a deep mid/upper-level cyclone centered just off of
the Pacific Coast is forecast to move slowly southward on Monday.
Modest instability and difluent upper-level flow to the
north/northeast of the cyclone will support thunderstorm potential
across parts of the interior Northwest. A few strong storms capable
of small hail and locally strong gusts will be possible across parts
of OR/WA, but at this time instability appears too weak to support a
more organized severe-thunderstorm threat.

...Dean.. 04/29/2023

$$

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