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SPC Dec 27, 2023 1630 UTC Day 1 Convective Outlook

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SPC 1630Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1021 AM CST Wed Dec 27 2023

Valid 271630Z - 281200Z


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

...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

..Hart/Thornton.. 12/27/2023

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