SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0658 AM CST Tue Nov 28 2023 Valid 281300Z – 291200Z …NO SEVERE THUNDERSTORM AREAS FORECAST… …SUMMARY… Severe thunderstorms are not expected today or tonight. …Lower Great Lakes… In proximity to the mid-level cold core (-40C at 500 mb) centered over eastern Ontario and Quebec, steep lapse rates persist with lake-induced CAPE and lake effect snow in the lee of the Great Lakes. This low-topped convection may be still conducive to a few lightning flashes through the morning/early afternoon, particularly in the lee of Lake […]
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0340 AM CST Tue Nov 28 2023 Valid 011200Z – 061200Z …DISCUSSION… A pair of embedded shortwave troughs within the larger-scale southwesterlies will move across the OH Valley and southern Plains on Friday/D4, as a cold front sinks southward along the northern Gulf Coast. Ongoing showers and thunderstorms will move quickly east across AL/GA, with only weak instability present. Meanwhile, drying behind this lead system will result in little to no instability for the lagging wave over the Plains. On Saturday/D5, another shortwave trough will move into […]
