While many monitored Henri's potential for flash flooding, an even more historic and devastating flash flood unfolded in Tennessee, where the 24-hour state rainfall record may have been broken.

McEwen, TN recorded 17.02" of rain yesterday - 9.34" of which fell in just 3 hours. https://t.co/z9w3guEvQO pic.twitter.com/hluhoZDiof

— Tomer Burg (@burgwx) August 22, 2021