Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Jul 31 2024 09:02:33

ACUS48 KWNS 310902
SWOD48
SPC AC 310901

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0401 AM CDT Wed Jul 31 2024

Valid 031200Z - 081200Z

....DISCUSSION...
The extended period will begin with a large amplitude upper-level
ridge across the western CONUS. This ridge will gradually breakdown
on Sunday and Monday with more of a flat ridge by the middle of next
week. Persistent northwesterly flow across the Northern Plains/Upper
Midwest during the extended forecast period may result in some
isolated severe weather threat. However, moisture in the Northern
Plains will lack a Gulf of Mexico connection and thus, will likely
be somewhat low quality, at least initially.

Early next week, as lee troughing returns to the Plains and the
low-level jet strengthens, the severe weather threat may increase
somewhat. Overall, upper-level ridging and no clear strong troughs
during the extended period, suggests any severe weather threat that
materializes will likely remain somewhat localized this weekend and
early next week.

...Bentley.. 07/31/2024

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