Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Mar 03 2023 08:12:02

ACUS03 KWNS 030811
SWODY3
SPC AC 030811

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0211 AM CST Fri Mar 03 2023

Valid 051200Z - 061200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
The severe-thunderstorm threat is expected to be low on Sunday.

....Synopsis...
A positively tilted trough is forecast to cover much of the western
and central CONUS on Sunday, with an attendant mid/upper-level
westerly jet forecast to spread eastward into the central Great
Plains. As this occurs, an embedded low-amplitude shortwave trough
and related surface low will move from the central High Plains
toward the upper Midwest. Moisture will begin returning to portions
of the southern Plains and Gulf Coast, though richer moisture will
remain displaced well south of the surface low and attendant cold
front moving across the Central Plains/Midwest.

Cold temperatures aloft and relatively steep lapse rates may support
sporadic lightning flashes with convection across parts of northern
CA. Farther east across parts of the Midwest, moistening at 1-2 km
AGL beneath steep midlevel lapse rates will support the potential
for elevated thunderstorm development late Sunday night. In both
areas, buoyancy is expected to remain too weak for a severe threat.

...Dean.. 03/03/2023

$$

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