SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1152 PM CST Thu Dec 11 2025 Valid 121200Z - 131200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast across the U.S. today or tonight. ...DISCUSSION... Mid-level northwesterly flow will remain in place across most of the U.S. today and tonight, as a trough moves southeastward into the Great Lakes region. At the surface, a cold front will move southward into the south-central U.S., as a cold airmass moves into the northern states. Overall, conditions will remain dry over most of the nation today and tonight, eliminating any chance for thunderstorms. ..Broyles.. 12/12/2025
