Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Nov 12 2022 08:21:00

ACUS48 KWNS 120820
SWOD48
SPC AC 120819

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0219 AM CST Sat Nov 12 2022

Valid 151200Z - 201200Z

....DISCUSSION...
Medium-range guidance indicates that mid/upper ridging will remain
prominent near the northern North American Pacific coast through
this period.  After one initial mid-level high (near the southern
British Columbia coast) breaks down mid week, another more
substantive high is forecast to evolve at higher latitudes.  This
probably will be followed by significant downstream mid-level trough
amplification east of the Canadian/U.S. Rockies late this coming
week into next weekend.  As this occurs, cold surface ridging is
expected to be maintained and reinforced across much of the nation.
The low-level baroclinic zone on the leading edge of the cold air
may linger across parts of the Florida Peninsula, but any frontal
wave development along it, from the Gulf of Mexico into the
southwestern Atlantic, is still forecast to remain weak.

...Kerr.. 11/12/2022

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