RSS Mesoscale Discussions from Storm Prediction Center
SPC 1300Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0654 AM CST Fri Dec 12 2025
Valid 121300Z - 131200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not forecast across the U.S. today or tonight.
...Discussion...
Cold/continental trajectories especially east of the Rockies will
generally preclude thunderstorm development. Regarding a potential
exception, gradual low-level moisture return will continue to occur
over the western Gulf toward coastal Texas ahead of a low-latitude
trough over northern Mexico. Convection will probably develop and
increase late tonight over the western Gulf, but modest forcing for
ascent and marginal thermodynamic profiles aloft should limit
thunderstorm potential over inland areas of Texas.
..Guyer/Lyons.. 12/12/2025
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