Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Nov 28 2023 09:41:24

ACUS48 KWNS 280941
SWOD48
SPC AC 280940

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0340 AM CST Tue Nov 28 2023

Valid 011200Z - 061200Z

....DISCUSSION...
A pair of embedded shortwave troughs within the larger-scale
southwesterlies will move across the OH Valley and southern Plains
on Friday/D4, as a cold front sinks southward along the northern
Gulf Coast. Ongoing showers and thunderstorms will move quickly east
across AL/GA, with only weak instability present. Meanwhile, drying
behind this lead system will result in little to no instability for
the lagging wave over the Plains.

On Saturday/D5, another shortwave trough will move into the
central/southern Plains, with minimal moisture return/quality. This
wave will take a similar track to the previous ones toward the mid
MS Valley, to the north of the better moisture. Nonetheless,
scattered showers and storms are likely on D5 and into Sunday/D6
from the northern Gulf Coast into the Southeast.

Thereafter, high pressure is again forecast over the Plains, with
offshore flow developing over the Gulf of Mexico and East Coast
Monday/D7 into Tuesday/D8 as the upper trough amplifies over the
East.

...Jewell.. 11/28/2023

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