SPC 1730Z Day 2 Outlook

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1128 AM CST Fri Dec 04 2020

Valid 051200Z - 061200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected Saturday or Saturday night.

...Synopsis/Discussion...
An amplified large-scale pattern will persist over the CONUS with
split upper-level flow over the Plains and Midwest. Thunderstorm
potential along the Eastern Seaboard will have largely diminished
into Saturday in the wake of a cold frontal passage. Most of the
thunderstorm potential will be focused ahead of the cold front over
the western Atlantic, but a few near-shore thunderstorms could occur
in association with weak elevated buoyancy and cyclogenesis near the
New England coast. 

Elsewhere, ahead of an eastward-moving southern-stream trough over
northeast Mexico and central/southern Texas, sufficient elevated
buoyancy may allow for a few thunderstorms near the Texas coast,
although the bulk of the deeper convection should remain decidedly
offshore. Finally, low-topped convection may accompany a shortwave
trough approaching the coastal Pacific Northwest Saturday afternoon
into Saturday night. However, forecast thermodynamic profiles do not
appear overly supportive of lightning flashes.

..Guyer.. 12/04/2020

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