Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Feb 26 2025 17:24:26

ACUS02 KWNS 261724
SWODY2
SPC AC 261722

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1122 AM CST Wed Feb 26 2025

Valid 271200Z - 281200Z

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

....SUMMARY...
Isolated to scattered thunderstorms are possible from the Mid and
Upper Ohio Valley to the Carolinas/southern Virginia Thursday.

....Discussion...
An upper trough is forecast to shift eastward across the eastern
states with time.  Within the broader area of cyclonic flow, a
shorter-wavelength trough is forecast to dig aggressively
southeastward out of the Upper Midwest, across the Ohio Valley
through the day, across the Appalachians during the evening, and
then should reach the eastern seaboard by the end of the period.

Cold air/steep lapse rates aloft accompanying the upper trough will
provide modest CAPE, with background ascent supporting development
of scattered showers.  A few lightning flashes will be possible
within the evolving convection; the thunder area is being expanded
to include portions of the Mid and Upper Ohio Valley where a couple
of weak, low-topped storms may develop near peak heating.

Elsewhere, thunderstorms are not expected, with the eastern Pacific
upper low expected to remain offshore through early Friday.

...Goss.. 02/26/2025

$$

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