The Tuscaloosa-Birmingham tornado on April 27, 2011 was rated EF5 by one of the two survey teams. The other team rated it high-end EF4 which is what the tornado was officially rated.
I strongly suspect that will be one of the tornado ratings revisited, as it should be. https://t.co/WH7pxIuM2s
— Spinks Megginson (@rzweather) February 24, 2026
