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SPC Dec 16, 2023 Day 4-8 Severe Weather Outlook – Storm Prediction Center RSS Feed

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Day 4-8 Outlook

Day 4-8 Outlook Image

Day 4-8 Convective Outlook  
NWS Storm Prediction Center Norman OK
0314 AM CST Sat Dec 16 2023
Valid 191200Z - 241200Z
...DISCUSSION...
An upper trough will likely extend from southwest Quebec into the
Mid-Atlantic early D4/Tuesday, before then progressing eastward
throughout the day. Zonal flow is expected across much of the CONUS
in its wake on D5/Wednesday, before a slow-moving upper low
initially off the southern CA coast introduces some amplitude into
the southern stream. This upper low will likely remain off the
southern CA coast through the period, but a preceding low-amplitude
shortwave may move through the Southwest on D5/Wednesday and into
Plains on D6/Thursday. Modest low-level moisture return should
precede this shortwave, and some interaction between this shortwave
(and attendant cold front) with this buoyancy is possible on
D7/Friday. However, weak buoyancy is currently expected to limit the
overall severe potential.

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2023-12-16 09:17:09

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