Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue Dec 05 2023 05:44:35

ACUS02 KWNS 050544
SWODY2
SPC AC 050542

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1142 PM CST Mon Dec 04 2023

Valid 061200Z - 071200Z

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

....SUMMARY...
Severe thunderstorms are not expected on Wednesday.

....Discussion...
Thunderstorm potential will remain negligible across much of the
CONUS. Sporadic lightning flashes are possible over a portion of
northern CA to coastal OR, mainly during the late afternoon and
evening on Wednesday.

A shortwave trough over the northeast Pacific will move inland
across northern CA and the Northwest. In the wake of trough passage,
cooler mid-level temperatures amid an expanding plume of steep lapse
rates will overspread much of the Pacific Northwest. As this occurs,
scant surface-based buoyancy should develop along coastal OR into a
portion of northern CA towards late afternoon. 00Z HREF guidance
suggests scattered low-topped convection will become common in this
time frame, with the deepest convection capable of producing
sporadic lightning flashes.

...Grams.. 12/05/2023

$$

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