Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Nov 08 2023 08:51:23

ACUS48 KWNS 080851
SWOD48
SPC AC 080849

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0249 AM CST Wed Nov 08 2023

Valid 111200Z - 161200Z

....DISCUSSION...
A shortwave trough is forecast to extend from southern Saskatchewan
through WY early D4/Saturday morning. Relatively progressive upper
pattern will take this shortwave through the northern/central Plains
on D4/Saturday, Upper Midwest/Upper Great Lakes on D5/Sunday, and
Northeast on D6/Monday. Upper ridging is expected within the
northern stream in the wake of this wave, gradually moving eastward
from the Pacific Northwest on D5/Sunday into the northern Plains and
Canadian Prairies on D6/Monday. By D7/Tuesday morning, upper ridging
is anticipated from the Mid MS Valley into Ontario.

The northern stream will remain well north of any low-level
moisture, which will remain confined fro the Gulf Coast throughout
the period. A southern-stream shortwave is forecast to move across
northern Mexico and into TX from D5/Sunday into D7/Tuesday. Showers
and thunderstorms are possible across TX as this wave moves through,
but buoyancy and shear will be modest and the overall severe
potential is low.

...Mosier.. 11/08/2023

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