Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Dec 22 2024 10:03:21

ACUS48 KWNS 221002
SWOD48
SPC AC 221000

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0400 AM CST Sun Dec 22 2024

Valid 251200Z - 301200Z

....DISCUSSION...
A moderately amplified and more active/progressive southern-stream
pattern is still expected later this week, along with a general
northward fluctuation of low-level moisture across parts of Texas to
the Lower Mississippi Valley and Gulf Coast.

After a day of little or no severe-weather potential on Christmas
Wednesday/Day 4, severe risks are expected to increase into Days 5-7
Thursday-Saturday. A secondary upper trough is expected to emerge
from the Southwest deserts and moves toward the Ozarks/Deep South.
This could lead to at least a low-end multi-day severe risk in a
corridor from east/southeast Texas and the ArkLaTex to Lower
Mississippi Valley. In particular, Thursday/Day 5 could ultimately
warrant Slight Risk-caliber severe probabilities across
east/southeast Texas, especially if the more southern and more
severe-favorable ECMWF model runs become more apparent.

...Guyer.. 12/22/2024

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