Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Dec 27 2023 19:34:21

ACUS01 KWNS 271934
SWODY1
SPC AC 271932

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0132 PM CST Wed Dec 27 2023

Valid 272000Z - 281200Z

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

....SUMMARY...
Severe thunderstorms are not forecast across the contiguous United
States through tonight.

Only minor changes to the Carolinas thunder line as drier air moves
in from the southwest.

...Jewell.. 12/27/2023

..PREV DISCUSSION... /ISSUED 1021 AM CST Wed Dec 27 2023/

....Mid Atlantic Region...
A large upper low remains dominant over the central/eastern CONUS,
with a deep warm-conveyor regime over the Mid-Atlantic region.
Scattered showers and isolated thunderstorms will be possible this
afternoon from eastern NC northward across the Chesapeake Bay area
into PA/NJ.  A cool and marginally unstable boundary-layer will
preclude a risk of severe storms.

....FL Keys...
A southern-stream shortwave trough over northern Mexico will track
across the Gulf of Mexico and begin affecting the FL Keys after
midnight.  This may result in isolated thunderstorms over the lower
Keys or nearby shelf waters.

....West Coast...
A few lightning flashes are possible this afternoon and evening over
coastal WA/OR and parts of northern/central CA as a cold front moves
ashore.

$$

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