SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1157 PM CST Sun Jan 18 2026 Valid 191200Z - 201200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected in the U.S. today or tonight. ...DISCUSSION... A large-scale cyclonic mid-level flow pattern will be in place across the U.S. today. At the surface, a large area of high pressure will remain over the Gulf Coast region, as another cold front advances southeastward into the Southeast. Behind this front, a large surface high will settle into the central states. This will reinforce a cold and dry airmass, making conditions unfavorable for thunderstorm development over the continental U.S. today and tonight. ..Broyles/Weinman.. 01/19/2026
