Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Dec 24 2022 16:33:59

ACUS02 KWNS 241633
SWODY2
SPC AC 241632

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1032 AM CST Sat Dec 24 2022

Valid 251200Z - 261200Z

....NO THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Thunderstorms are unlikely over the contiguous United States on
Sunday.

....Synopsis...
An upper low will remain over eastern Canada on Sunday with an upper
ridge over the West. In between, another shortwave trough will
amplify as a wave dives southeastward across the Plains and toward
the MS Valley. This will maintain a relatively stable surface
pattern with offshore winds over the Gulf of Mexico and East Coast
due to high pressure.

Over the Pacific Northwest, heights will lower as a shortwave trough
approaches the coast, but the deeper temperature gradient aloft will
remain well offshore through Monday morning. As such, instability is
not forecast to favor thunderstorms over land.

Elsewhere, lake-effect snow will likely impact parts of northern NY,
and a lightning flash cannot be ruled out near Lake Ontario.
However, coverage of lightning is forecast to remain below the
outlook threshold of 10%.

...Jewell.. 12/24/2022

$$

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