Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Dec 27 2023 08:53:02

ACUS48 KWNS 270852
SWOD48
SPC AC 270851

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0251 AM CST Wed Dec 27 2023

Valid 301200Z - 041200Z

....DISCUSSION...
A mostly dry and stable boundary layer will preclude much
thunderstorm activity across the CONUS during the Day 4-8 period.
The exception will be around Day 6/Mon. During this time, an upper
shortwave trough over the Southwest will eject eastward across the
southern Plains and toward the Gulf Coast states. A surface low will
develop near the TX coast in response to the approaching upper wave
and shift east across the Gulf. Modest moisture return may impinge
on parts of the western/central Gulf coast ahead of the surface low
and a southeastward-advancing cold front. Isolated thunderstorms may
occur, but higher-quality moisture and thermodynamics will likely
remain offshore, precluding severe potential.

...Leitman.. 12/27/2023

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