Day 1 Severe Weather Outlook

Valid 181300Z – 191200Z


A few thunderstorms are possible across south Florida this morning.
Severe storms are not expected.

…South Florida…

A cold front over south FL this morning will continue slowly south
and offshore this afternoon. Widespread pre-frontal convection has
rendered the warm sector only weakly unstable and suggests any
additional thunderstorm activity inland will remain very isolated,
mainly during the morning hours.

…Central California coastal area…

Cold air aloft with steep lapse rates will continue to promote
scattered showers moving inland along the central CA coast this
morning. While much of this activity will remain too shallow and
instability too limited for thunderstorms, a few lightning flashes
cannot be ruled out. However, coverage is expected to remain less
than 10%.

..Dial.. 12/18/2019


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