Tonight will probably go down as one of the most prolific QLCS tornado producing events in Chicago recorded weather history. This may end up being classified a derecho. NWS Chicago Issued 16+ Tornado Warnings this evening, their most in a single day since April 20th, 2004, and… pic.twitter.com/WXiUBUZBiS

— Noah Bergren (@NbergWX) July 16, 2024