Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Nov 27 2023 19:58:52

ACUS01 KWNS 271958
SWODY1
SPC AC 271957

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0157 PM CST Mon Nov 27 2023

Valid 272000Z - 281200Z

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

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

....Discussion...
No appreciable change was made to the previous convective outlook.

...Smith.. 11/27/2023

..PREV DISCUSSION... /ISSUED 1001 AM CST Mon Nov 27 2023/

....Synopsis...
Ridging aloft over the Pacific coast and a cool/continental air mass
in the low levels across the eastern CONUS will limit the potential
for thunderstorms through Tuesday morning.  Broadly cyclonic flow
over the Great Lakes will support lake effect snow bands given the
relatively warm waters.  Inversion heights are relatively low (below
the 700 mb level) and temperatures are cold enough in the low levels
to make mixed phase/charge separation unlikely across the Upper
Great Lakes.  Somewhat warmer low-level profiles and weak buoyancy
will be at least marginally favorable for isolated lightning flashes
immediately downwind of Lake Erie/Ontario.

$$

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