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
