Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Nov 19 2022 16:22:50

ACUS01 KWNS 191622
SWODY1
SPC AC 191621

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1021 AM CST Sat Nov 19 2022

Valid 191630Z - 201200Z

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

....SUMMARY...
Severe thunderstorms are not expected through tonight.

....Synopsis...
Upper troughing is forecast to dig east-southeastward across the
Upper Great Lakes/Midwest region today, and then sweep eastward
across the Lower Lakes and into the Northeast/New England overnight.
Meanwhile, in the West, a weak trough will drift across the
southwestern deserts, while ridging prevails across the West Coast
states and into the Great Basin.

At the surface, cold high pressure will largely prevail across the
country, though a reinforcing/arctic cold front will cross the
northeastern quarter of the country through the period.

A few lightning flashes will be possible across the Great Lakes
region today, as the reinforcing surge of cold air spreads across
the still-warm lakes, resulting in low-topped convective snow
showers/bands.  A couple of flashes may also persist across parts of
coastal southern Texas, and a flash or two may also occur with
isolated convection over southern Florida and the Keys.  Elsewhere,
stable conditions will preclude thunder potential.

...Goss.. 11/19/2022

$$

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