Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Jul 30 2024 08:56:16

ACUS48 KWNS 300856
SWOD48
SPC AC 300854

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0354 AM CDT Tue Jul 30 2024

Valid 021200Z - 071200Z

....DISCUSSION...
On Friday and into the weekend, a mid-level trough will slow and
eventually stall across the eastern CONUS. Given remnant moisture,
expect widespread thunderstorm activity. However, severe weather
should be limited by weak shear in the region.

A large-amplitude mid-level ridge which is forecast to build across
the western CONUS on Thursday and Friday will start to deamplify
over the weekend as a series of mid-level shortwave troughs traverse
British Columbia and Alberta. The exact evolution of the pattern
over the weekend and beyond remains uncertain. There is consensus
for multiple mid-level troughs to move through the northern CONUS
with at least some lee troughing across the northern Plains. Some
severe weather is possible with any of these passing impulses.
However, uncertainty remains too high at this time for severe
weather probabilities.

...Bentley.. 07/30/2024

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