SPC 1200Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1158 PM CST Sat Jan 17 2026 Valid 181200Z - 191200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the U.S. today or tonight. ...DISCUSSION... A large-scale upper-level trough will move across the east-central U.S. today, as southwest mid-level flow remains in place over the eastern U.S. At the surface, a large area of high pressure will settle in over the western and central Gulf Coast states, as a front moves southward across the Florida Peninsula. Moisture advection will take place ahead of the front in south Florida, where surface dewpoints will be in the mid to upper 60s F. In the early to mid afternoon, thunderstorm development will be possible along and near the front. Deep-layer and instability are expected to be insufficient for a severe threat. Elsewhere across the continental U.S., thunderstorms are not forecast today or tonight. ..Broyles/Halbert.. 01/18/2026
