Any form of thunderstorm that produces precipitating hailstones is known as a hailstorm. One such storm was the 1999 hailstorm, which produced massive hailstones up to in diameter. The UK organisation, TORRO, also scales for both hailstones and hailstorms. It was a surreal look of the MCG covered in golfball-size hailstones. Rain was also reported to have resulted, with cricket ball-sized hailstones falling. Giant hailstones weighing around 75 pounds or 35 kilograms plummet onto the planet. Ice pellets are usually smaller than hailstones. There is the occasional risk of frost, hailstones and drought. Large hailstones and winds over 110 km/h were noted. It is estimated that the storm dropped worth of hailstones during its course. People were trampled and suffocated during the hailstones. Ice pellets are usually (but not always) smaller than hailstones. The seventh bowl results in a devastating earthquake followed by giant hailstones (). The hailstones accumulating on the ground can also be hazardous to landing aircraft. While arriving, Damon is killed by large hailstones.