SPC 1930Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1250 PM CST Tue Dec 10 2024 Valid 121200Z - 131200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Thursday. ...Discussion... A quiescent synoptic pattern for thunderstorm activity is expected on Thursday. In the wake of a cold front pushing offshore of the entire East Coast on D2, an Arctic air mass will settle into the Upper Great Lakes. A couple lightning flashes are possible in the heaviest lake-effect snow bands immediately downstream of the Lower Great Lakes, but probabilities appear to be less than 10 percent. Otherwise, modified moisture return will commence across the western Gulf Coast, well downstream of the next shortwave trough progressing into the Great Basin vicinity. Conditions appear too stable for thunderstorms with this wave through 12Z Friday. ..Grams.. 12/10/2024