The Slippery Problem of Measuring Enormous Hunks of Hail

A hailstone of more than four inches is “certainly very large,” says Matthew Kumjian, a meteorologist at Penn State University.

Hail Kumjian

Victoria Druetta plucked the plummeted hail from her yard, then photographed and measured it. COURTESY OF VICTORIA DRUETTA / MATTHEW KUMJIAN

They’re huge, rare, and melting all the time.