NCAR scientist Nancy Knight holds a
hailstone that fell in Coffeyville, Kansas, in 1970. The largest
hailstone ever documented, it weighs 0.75 kilograms (1.67 pounds), and
spans 14.4 centimeters (5.67 inches).
Video of destructive hail to the size of baseballs near the town of
Henrietta, TX from TornadoVideos.net storm chasers. Surprisingly, this
supercell never had a tornado warning, but exhibited strong rotation on
radar. The largest hail report from this storm was 4.25 inches!
Video of baseball to softball size hail destroying the vehicle of
TornadoVideos.net storm chasers near Seminole, TX on May 5, 2006. The
largest hail stones break through the wind shield and a back window,
destroy the air conditioning unit, and break out the right side mirror!