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It is estimated that a hailstone of 1 cm (0.39 in) in diameter falls at a rate of 9 m/s (20 mph), while stones the size of 8 cm (3.1 in) in diameter fall at a rate of 48 m/s (110 mph). Hailstone velocity is dependent on the size of the stone, its drag coefficient , the motion of wind it is falling through, collisions with raindrops or other ...
The storm brought hail as wide as 4 cm (1.6 in). [citation needed] 23 July 2010 Vivian, South Dakota, US The largest diameter hailstone known, measuring 7.87 in (20.0 cm) in diameter and weighing 1.9375 lb (0.88 kg), fell on Vivian during an exceptional hailstorm. [27] 5 October 2010 Phoenix, Arizona, US
The heaviest hail stone on record in the United States had a reported diameter of 11 inches (27.94 centimeters) and weighed nearly 2 pounds (907 grams). It was discovered near Vivian, South Dakota ...
In Kansas, hail nearly the size of a softball and measuring 4 inches (10 centimeters) was reported in the town of Wabaunsee and 3-inch (7.6-centimeter) hail was reported in Geary County near ...
At 8:31 p.m. CST on May 4, the sheriff's office notified West Central Texas residents "up to 3 feet of hail" had fallen between the town of Millersview and O.H. Ivie Reservoir, a distance spanning ...
As a result, it is believed that only a very small percentage of hail reaching the surface went undetected. [1] For the duration of the project, six categories were specified to size the observed hailstones conveniently: diameters less than 0.4 cm, 0.4–1.2 cm, 1.3–2.0 cm; 2.1–3.2 cm, 3.3–5.2 cm, and larger than 5.2 cm. [1]
Using “a huge database” of real hailstone shapes to look at how mass, shape and size are related, researchers found a hailstone in the typical roundish shape could reach roughly 10 inches in ...
Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials . This is different from the crystallite size, which refers to the size of a single crystal inside a particle or grain.