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Any thunderstorm which produces hail that reaches the ground is known as a hailstorm. [7] An ice crystal with a diameter of >5 mm (0.20 in) is considered a hailstone . [ 4 ] Hailstones can grow to 15 cm (6 in) and weigh more than 0.5 kg (1.1 lb).
Cloud seeding is a type of weather modification that aims to change the amount or type of precipitation, mitigate hail or disperse fog. The usual objective is to increase rain or snow, either for its own sake or to prevent precipitation from occurring in days afterward.
Hailstorm – A type of storm that precipitates round chunks of ice. Hailstorms usually occur during regular thunderstorms. While most of the hail that precipitates from the clouds is fairly small and virtually harmless, there are occasional occurrences of hail greater than 2 inches (5 cm) in diameter that can cause much damage and injuries.
Hail can wreak havoc. Ranging in size from peas to grapefruits, the ice chunks can wreak havoc where they fall, including on homes, vehicles, businesses, aircraft, crops and solar panels.
Hail is typically small, often the size of a penny, but can grow to monstrous sizes. The heaviest hailstone ever recorded was 2.25 pounds in Gopalganj district, Bangladesh, in 1986.
Hail forms inside cumulonimbus clouds, which produce severe weather, including thunder, lightning and heavy rain. Raindrops circulate in cumulonimbus clouds, which can lead to hailstones.
Cumulonimbus are a notable hazard to aviation due most importantly to potent wind currents but also reduced visibility and lightning, as well as icing and hail if flying inside the cloud. Within and in the vicinity of thunderstorms there is significant turbulence and clear-air turbulence (particularly downwind ), respectively.
A severe weather outbreak is typically considered to be when ten or more tornadoes, some of which will likely be long-tracked and violent, and many large hail or damaging wind reports occur within one or more consecutive days. Severity is also dependent on the size of the geographic area affected, whether it covers hundreds or thousands of ...