Strong hail hits parts of South Dakota: 15 cm (6 inches) of hail in Custer
A strong hail event hit Custer, South Dakota, on Monday, July 27, 2015. The area was covered with 15.23 cm (6 inches) thick layer of hail balls, the size of which measured about 2.54 cm (1 inch) in diameter.Mammatus clouds, prior to hailstorm. Image credit: Marcia Samul
