Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Aug 18 2023 08:40:51

ACUS48 KWNS 180840
SWOD48
SPC AC 180839

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0339 AM CDT Fri Aug 18 2023

Valid 211200Z - 261200Z

....DISCUSSION...
An expansive mid-level ridge, initially centered over the Great
Plains/lower Missouri Valley vicinity, may remain prominent into the
middle of next week, before gradually becoming suppressed by short
wave perturbations accelerating into/through a broadly confluent
regime to its north.  Medium-range models continue to suggest that
any associated cyclogenesis along a frontal zone generally extending
from the northern Great Plains into the northern Mid Atlantic region
will remain weak.  And there is little currently evident to suggest
potential for much more than relatively isolated and/or marginal
severe weather risk through this period.

...Kerr.. 08/18/2023

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