Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Dec 05 2022 00:43:16

ACUS01 KWNS 050043
SWODY1
SPC AC 050041

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0641 PM CST Sun Dec 04 2022

Valid 050100Z - 051200Z

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

....SUMMARY...
A few lightning flashes may be noted with convection, primarily over
northern California, tonight.

....01z Update...

Mid-level jet will sag southeast across northern CA tonight as upper
trough approaches the northern CA coast by the end of the period.
Cooling profiles, and steep lapse rates have aided weak buoyancy
north of the jet. 00z sounding from OAK exhibited weak instability
in the surface-3km layer, but OAK remains decidedly south of the
primary jet at this time. Mid-level lapse rates are likely steeper
just north of this region where a few flashes of lightning have been
noted at times with the more robust convection, especially off the
northern CA Coast and farther inland over southern Tehama County.
Isolated thunder threat continues across this region.

...Darrow.. 12/05/2022

$$

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