Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Apr 29 2023 07:46:03

ACUS48 KWNS 290745
SWOD48
SPC AC 290744

Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0244 AM CDT Sat Apr 29 2023

Valid 021200Z - 071200Z

....DISCUSSION...
A highly amplified pattern is expected to persist through most of
the extended-range period, with generally dry and stable conditions
resulting in a limited severe-thunderstorm threat through midweek. A
few strong storms may occur across parts of the interior Northwest
on D4/Tuesday and D5/Wednesday, as a deep mid/upper-level cyclone
meanders near the Pacific Coast. Weak convection will also be
possible across parts of the High Plains through midweek, and
perhaps over portions of the Midwest in a northwesterly flow regime.

By D6/Thursday into next weekend, continued low-level moistening and
the potential for somewhat stronger deep-layer flow/shear to spread
east of the Rockies may support an increasing severe-thunderstorm
threat across parts of the southern Plains into the lower MS Valley,
though predictability remains low regarding the timing and location
of any such threat.

...Dean.. 04/29/2023

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