Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Oct 06 2023 16:56:01

ACUS02 KWNS 061655
SWODY2
SPC AC 061654

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1154 AM CDT Fri Oct 06 2023

Valid 071200Z - 081200Z

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

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

....Synopsis...
A large upper trough will be located from the Great Lakes southward
across the OH Valley on Saturday, with cold temperatures aloft
across that region. This trough will proceed eastward toward the
Northeast late in the day, with increasingly southerly winds aloft
across the Mid Atlantic. The trough will deepen through the period,
becoming a cut-off low over southern Quebec/NY area. Meanwhile, an
upper ridge will provide calm conditions over the West, while high
pressure spreads south across the Plains and into the Southeast,
reinforcing offshore winds.

To the northeast, a weak surface trough will exist ahead of the
upper wave, from the DelMarVa into NY and southern New England
through the afternoon. Moistening associated with the warm conveyor
will sweep east across the area, with rain and a few thunderstorms
possible. Forecast soundings indicate weak instability with a few
hundred J/kg MUCAPE possible, supporting scattered lightning flashes
embedded within the larger area of precipitation. Weak
boundary-layer winds as well as poor lapse rates suggests little to
no severe threat will exist.

...Jewell.. 10/06/2023

$$

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