RSS Mesoscale Discussions from Storm Prediction Center
No watches are valid as of Fri Dec 12 02:05:02 UTC 2025.
No Mesoscale Discussions are in effect as of Fri Dec 12 02:05:02 UTC 2025.
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0639 PM CST Thu Dec 11 2025
Valid 120100Z - 121200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not forecast in the U.S. through tonight.
...DISCUSSION...
At mid-levels, a low will move across far northern New England this
evening, as northwest flow remains in place from the Appalachians
northwestward into the northern Rockies. At the surface, a cold
front will move southward across the central and southern Plains
into the mid Mississippi Valley. Over almost the entire nation, a
relatively dry airmass will be in place, making conditions
unfavorable for thunderstorm development through daybreak on Friday.
..Broyles.. 12/12/2025
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