Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Aug 30 2023 17:07:16

ACUS02 KWNS 301707
SWODY2
SPC AC 301705

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1205 PM CDT Wed Aug 30 2023

Valid 311200Z - 011200Z

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

....SUMMARY...
Severe thunderstorms are unlikely on Thursday.

....Synopsis...
The center of T.C. Idalia is expected to be near the NC Coast
Thursday morning, at which time it is forecast to be moving
eastward. As such, any tornado-related risk with potential
outer-band supercells should be largely offshore.

In the wake of this system, a stable air mass will cover much of the
CONUS with high pressure centered over the Great Lakes with surface
ridge extending southwestward into the southern Plains.

To the west, a shortwave trough will move from southern SK into MB,
with cool temperatures and moderate westerlies aloft from MT into
northern MN. Heating over the Dakotas, steep lapse rate profiles
could support isolated thunderstorms, most likely from the Red River
Valley across northern MN where minimal lift will exist. Capping
will likely minimize storm coverage.

Otherwise, scattered storms will be likely from southern NV/UT
across AZ within the relatively moist southerly flow regime west of
the NM upper high.

...Jewell.. 08/30/2023

$$

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