Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Aug 09 2025 08:19:09

ACUS48 KWNS 090819
SWOD48
SPC AC 090817

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0317 AM CDT Sat Aug 09 2025

Valid 121200Z - 171200Z

....DISCUSSION...
A shortwave trough will move from the northern Plains into the
Northeast during the Tuesday/D4 to Wednesday/D5 time frame, with an
initial push of drier air southward across the Midwest/Great Lakes.
Stronger instability is forecast to redevelop by Thursday/D6 and
beyond as a low-amplitude upper trough moves across the northern
Rockies and Plains and increasing southerly low-level winds bring
dewpoints into the mid 70s F northward across the Mid MO/Upper MS
Valleys. This may yield one or more severe events across parts of
the northern Plains to upper MS Valley, but confidence is low.

...Jewell.. 08/09/2025

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