Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Apr 30 2023 17:13:09

ACUS02 KWNS 301713
SWODY2
SPC AC 301711

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1211 PM CDT Sun Apr 30 2023

Valid 011200Z - 021200Z

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

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

....Synopsis...
The upper-air pattern is forecast to evolve into an omega block as a
mid-level low remains nearly stationary over the Great Lakes while a
mid-level low migrates southward from near the Vancouver/WA coast to
San Francisco Bay by early Tuesday morning.  In between these two
features, a mid-level ridge will reside over the Rockies/High
Plains.  In the low levels, surface high pressure will influence
conditions across much of the Gulf Coast north-northwestward into
the Upper Midwest.

Low-topped convection in the form of scattered showers and perhaps a
few thunderstorms are possible near the mid-level cold core over
Upstate NY.  Isolated thunderstorms are also likely to develop
across the central Rockies and from eastern WA/ID southward through
OR into northwest NV.  Small hail perhaps could develop where
buoyancy is greatest during the afternoon in western ID and near the
Sangre de Cristos, but storm intensity is not expected to reach
severe limits.

...Smith.. 04/30/2023

$$

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