Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Nov 25 2023 08:49:40

ACUS48 KWNS 250849
SWOD48
SPC AC 250847

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0247 AM CST Sat Nov 25 2023

Valid 281200Z - 031200Z

....DISCUSSION...
Dry and stable conditions will prevail through at least Wednesday/D5
with a large upper trough over eastern North America. By
Thursday/D6, a lower-latitude wave is forecast to move into the
southern Plains, proceeding toward the middle MS Valley into
Friday/D7.

As this feature approaches, low-level moisture will increase across
TX on D6, then spread across the lower MS Valley and Southeast
through Friday/D7. Given the antecedent high pressure in place,
substantial cloudiness and a saturated boundary layer is likely to
result in only modest destabilization and widespread rain. The
greatest instability, and perhaps chance of isolated severe storms,
will be on Thursday/D6 over TX as height falls overspread the moist
sector.

By the time this potential wave shifts into the MS Valley, it should
interact with less instability, with little severe potential.

...Jewell.. 11/25/2023

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