Climate analyst Paul Homewood: "Provisional data from the NWS indicates that the tornadoes which hit Mayfield, Kentucky and Edwardsville, Illinois were both EF-3s. Although most tornadoes occur in spring and early summer, strong tornadoes are not unheard of in winter. Indeed, on average since 1950 there have been five tornadoes every winter of EF3 and greater strength. And the official data shows that these winter storms are not becoming more frequent:
Despite the latest outbreak, the number of tornadoes this year has been well below average."