Hail is a ball of ice that forms during severe thunderstorms. It closely resembles sleet. However, it is much larger. Hail can cause damage, depending upon its size. Here are some more facts about hail:
Hail Fact #1
Peak months for high hail activity, are March, April, May, and June.
Hail Fact #2
The largest hailstone measured 8 inches in diameter, and weighed 1.93 pounds. This broke the previous record for diameter, set by a hailstone 7 inches in diameter. It fell in Aurora, Nebraska in the U.S., on June 22, 2003. It also broke the record for weight, set by a hailstone of 1.67 pounds, in Coffeyville, Kansas in 1970.
Hail Fact #3
Hail can be created in any continent, and can occur in any country around the world. Larger hailstones can be very dangerous, when they come down in a rain shower.
Hail Fact #4
Hail is formed in stronger thunderstorm clouds. It forms when there is an intense updraft, and an increase in high liquid water content. If the cloud is below freezing, then the ice water can be formed. If the air temperature is very cold, more formations of hail will be created.
Hail Fact #5
Hailstones can have a diameter of at least 5 mm, and can be as big as 20 cm. They can even weigh more than 1.1 lbs.
Hail Fact #6
Hailstones often grow in alternating layers of rime and glaze. This occurs when they are constantly rotated by updrafts and downdrafts. The freezing process repeats itself, until the weight of the hail stone causes it to fall to the ground. It also repeats itself, until the updraft weakens enough to eventually end the cycle.
Hail Fact #8
The potential damage a hailstone can inflict, depends on the stone’s size and the wind speed. A 20 mm diameter hailstone falling in high winds, can cause greater damage than a smaller hailstone. Their hardness, shape, and fall orientation, can also affect the degree of damage.
Hail Fact #9
Hail forms in balls or in irregular lumps of ice. Large hail comes from severe thunderstorms. It can be very damaging to homes and properties.
Hail Fact #10
Hail begins as tiny ice pellets that collide with water droplets. The optimum freezing level for the formation of hail, is from 8,000 to 10,000 feet.
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Basic Planet. Hail.
Ten Random Facts. Hail. Author: Cris.
Weather Online. Hail.
The Weather Channel. All About Hail. Author: Casey Morris.