Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jan 20 2023 16:03:37

ACUS01 KWNS 201603
SWODY1
SPC AC 201601

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1001 AM CST Fri Jan 20 2023

Valid 201630Z - 211200Z

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

....SUMMARY...
Organized severe thunderstorms appear unlikely through tonight.

....Synopsis...
A mid-level trough will traverse the southern Rockies as a broader
but lower amplitude upper trough ejects into the Atlantic today.
Surface high pressure and associated cooler air will promote mass
subsidence and low-level stability across much of the northern and
central CONUS, limiting the potential for thunderstorm development.
A few lightning flashes may occur this afternoon into early evening
across the southern Rockies as cooler temperatures and associated
steeper mid-level lapse rates accompanying the mid-level trough
overspread the region. Likewise, a few thunderstorms may also
develop along the TX/LA Coastline into far southwestern MS later
tonight within a warm-air advection regime in response to the
approaching Southern Rockies mid-level trough.

...Squitieri/Flournoy.. 01/20/2023

$$

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