Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Dec 20 2024 12:45:57

ACUS01 KWNS 201245
SWODY1
SPC AC 201244

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0644 AM CST Fri Dec 20 2024

Valid 201300Z - 211200Z

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

....SUMMARY...
Severe weather is not forecast across the contiguous United States
through tonight.

....Synopsis...
Water-vapor imagery this morning shows an upper trough centered over
the Great Lakes, with this feature forecast to move east into the
Northeast and east of the Mid-Atlantic states by late tonight.
Farther west, a mid-level ridge will reside over the Rockies with an
upper trough over the eastern Pacific approaching the northern
CA/Pacific Northwest coast late.  Scant instability may develop and
result in a couple of thunderstorms late tonight near the immediate
northern CA coast as a strong WAA regime impinges on this region.

...Smith/Goss.. 12/20/2024

$$

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