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SPC Dec 19, 2023 1300 UTC Day 1 Convective Outlook

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SPC 1300Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0655 AM CST Tue Dec 19 2023

Valid 191300Z - 201200Z


A few thunderstorms are possible today across parts of central and
northern California.

An upper-level trough will move off the Atlantic Coast today, as an
upper-level ridge moves through the Rockies. At the surface, dry and
cool air associated with a large surface high in the eastern U.S.
will make conditions unfavorable for thunderstorms across most of
the continental United States. The only exception will be in central
and northern California, where a few thunderstorms will be possible
due to an increase of large-scale ascent and mid-level moisture
ahead of an eastern Pacific upper-level low. No severe thunderstorms
are expected today or tonight.

..Broyles/Thompson.. 12/19/2023

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