List of tornado reports here:
https://www.spc.noaa.gov/climo/reports/today.html
"LARGEST HAIL WAS ESTIMATED TO BE 3 INCHES. BUT THERE WERE PILES OF SMALLER HAIL A FOOT DEEP. WINDSHIELDS OF CARS WERE PUNCHED THROUGH. TIME ESTIMATED FROM RADAR."
Ouch. You don't want to be driving with 3 inch hail coming down. Biggest I saw was about 2 inches when I was out there chasing.
Ben,
Nr. Easingwold, North Yorkshire
30m asl