Potential for supercell formation over central/north Alabama as early as 4-5PM on Monday…These could certainly support tornadoes. Starting to come into the "long range view" of the high-res, short term models. It cannot be stressed enough: Please have a way to get the warnings! pic.twitter.com/QfgjLYKHCr
— Spinks Megginson (@rzweather) March 19, 2018