Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Dec 26 2022 19:31:45

ACUS01 KWNS 261931
SWODY1
SPC AC 261929

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0129 PM CST Mon Dec 26 2022

Valid 262000Z - 271200Z

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

....SUMMARY...
Isolated thunderstorms may occur across parts of northern California
and southwest Oregon tonight.

....Discussion...
No changes to the ongoing outlook appear to be required.

...Goss.. 12/26/2022

..PREV DISCUSSION... /ISSUED 0942 AM CST Mon Dec 26 2022/

....Synopsis...
An initial shortwave trough is moving inland over northwest WA this
morning, while a stronger/upstream trough will approach the northern
CA/OR coasts by 27/06-12z.  Colder midlevel temperatures and steeper
low-midlevel lapse rates will accompany the overnight trough as the
primary baroclinic zone moves inland, and a few lightning flashes
will become possible in the 06-12z time frame.  Though wind profiles
will be strong, very weak buoyancy will tend to limit any
damaging-wind threat near the coast.

$$

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