Large hail collects on streets and grass during a severe thunderstorm.
Larger stones appear to be nearly 2 to 3 inches in diameter.
Credit: NOAA Photo Library, NOAA Central Library
Aggregate. Large hailstone with
smaller stones visible. A ruler shows
radius of this remarkable hail
stone Diameter is approximately
6 inches - the size of a grapefruit.
Credit: NOAA Photo Library, NOAA Central Library