SPC 0830Z Day 3 Outlook
Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0200 AM CST Thu Dec 16 2021
Valid 181200Z - 191200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
No severe thunderstorms are expected across the continental United
States on Saturday or Saturday night.
...DISCUSSION...
An upper-level trough will move eastward across the mid to upper
Mississippi Valley and Ozarks on Saturday. At the surface, a cold
front will advance southeastward across the Texas Coastal Plain,
lower Mississippi Valley and central Gulf Coast states. Ahead of the
front, weak instability is forecast to be in place by afternoon
along the lower to middle Texas Coast, where thunderstorm
development will be possible. Isolated thunderstorms may also
develop along or near the front in the central Gulf Coast states
during the afternoon. No severe threat is expected in these two
areas mainly due to a lack of instability and large-scale ascent.
..Broyles.. 12/16/2021
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