Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0953 AM CST Tue Jan 20 2026
Valid 201630Z - 211200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not forecast across the U.S. today or tonight.
...Discussion...
A prominent longwave trough will remain entrenched from the Rockies
to the western Atlantic, with a general prevalence of cold/dry
continental trajectories and surface high pressure over the eastern
third of the CONUS. Airmass modification will occur with a modest
increase in low-level moisture toward coastal Texas tonight.
However, instability is expected to remain too limited to support
thunderstorms through tonight.
..Guyer/Lyons.. 01/20/2026
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