SPC 1730Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1112 AM CST Sat Dec 26 2020

Valid 271200Z - 281200Z


No severe weather is expected across the U.S. on Sunday.

Relatively low-amplitude/progressive flow aloft is progged across
the U.S. Sunday, as a fast-moving short-wave trough shifts eastward
out of the Plains and across the Midwest/Ohio Valley.  Farther west,
an eastern Pacific trough is expected to reach California late in
the period.

At the surface, a weak cold front will shift eastward across the
Midwest and southward across the southern Plains, as cold high
pressure advances southward into the central U.S. in its wake.

Given stable conditions that will prevail over most of the country,
thunderstorm activity will remain minimal.  Showers, and a few
lightning flashes, may evolve overnight in the vicinity of the
southeastern Florida coast, near an evolving/weak surface lee
trough.  Showers, and a lightning flash or two, are also expected
over coastal central California late, as the upper low approaches. 
Otherwise, thunderstorms are not expected across the CONUS.

..Goss.. 12/26/2020

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