Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Oct 25 2023 17:16:14

ACUS02 KWNS 251716
SWODY2
SPC AC 251714

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1214 PM CDT Wed Oct 25 2023

Valid 261200Z - 271200Z

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

....SUMMARY...
Severe thunderstorms are not expected on Thursday.

....Synopsis...
A deep mid/upper-level longwave trough will remain in place across
most of the central/western CONUS on Thursday. One embedded
shortwave trough will move from mid MS Valley into the Great Lakes,
while a stronger upstream shortwave trough will move from the
central/northern Rockies into the northern Great Plains. A strong
cold front will move through parts of the central Plains during the
day, and across parts of the upper Midwest, mid/upper MS Valley, and
southern Plains Thursday night into Friday morning.

In advance of the cold front, a broad region of thunderstorm
potential is expected within a seasonably moist environment from
Texas into the upper Midwest. The greatest relative thunderstorm
coverage is expected early in the day across parts of TX and from IA
into southern WI, as a continuation of extensive overnight
convection associated with the departing shortwave trough. Modestly
favorable deep-layer flow/shear could support some loosely organized
convection across those areas, but generally weak midlevel lapse
rates and buoyancy are currently expected to limit
severe-thunderstorm potential.

...Dean.. 10/25/2023

$$

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