Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Jan 20 2024 12:45:05

ACUS01 KWNS 201244
SWODY1
SPC AC 201243

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0643 AM CST Sat Jan 20 2024

Valid 201300Z - 211200Z

....NO THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Thunderstorms are not expected across the CONUS today.

....Discussion...
A slowly progressive upper flow field is expected across the U.S.
today, as troughing near the West Coast gradually moves
eastward/inland, and a second trough over the East advances
toward/into the western Atlantic.  In between, ridging initially
over the Rockies will progress steadily into/across the Plains.

At the surface, a continental polar airmass will prevail east of the
Rockies, with a 1040-plus high now centered in the Mid Missouri
Valley area forecast to reach the Mid-Ohio and Tennessee Valleys
early Sunday morning.  With the cold/dry air low-level air in place,
thunderstorms are not expected east of the Rockies.  In the West, a
lack of instability suggests that -- despite widespread
precipitation forecast to continue spreading inland, thunderstorms
are unlikely through the period.

...Goss.. 01/20/2024

$$

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