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SPC Dec 22, 2023 0100 UTC Day 1 Convective Outlook

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SPC 0100Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0657 PM CST Thu Dec 21 2023

Valid 220100Z - 221200Z


Isolated thunderstorms remain possible tonight across parts of
southern California and Arizona, and also from north Oklahoma into
southeast Kansas. Severe thunderstorms are not expected.

A deep-layer cyclone off of the southern CA/Baja coasts is forecast
to move eastward tonight. Most thunderstorm activity will likely
remain offshore tonight in closer proximity to the low, but some
threat for isolated thunderstorms will continue across near coastal
areas of southern CA, and potentially expand into southeast
CA/southern AZ overnight. A strong storm or two cannot be ruled out
near the coastline, but weak instability should limit the
severe-thunderstorm threat. 

Convection may increase later tonight across parts of northern OK
and southern KS, in association with a low-amplitude midlevel
shortwave trough moving across the central Plains. While instability
will remain weak, sporadic lightning flashes will be possible with
the strongest convection.

..Dean.. 12/22/2023

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