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Any thunderstorm which produces hail that reaches the ground is known as a hailstorm. [5] 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). [6] Unlike ice pellets, hailstones are often layered [7] and can be irregular and clumped together.
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.
Due to their larger density, these hailstones become heavy enough to overcome the density of the cloud and fall towards the ground. The downdrafts in cumulonimbus clouds can also cause increases in the speed of the falling hailstones. The term hailstorm is usually used to describe the existence of significant quantities or size of hailstones.
Summer turns to winter: Hailstorm drops temperature from 90s to 50s. When a thunderstorm hits on a hot day, it can quickly reduce the temperature from 90 degrees Fahrenheit to 70, but to get much ...
They may also occur within a cooler air mass following the passage of a cold front over a relatively warmer body of water. Thunderstorms are rare in polar regions because of cold surface temperatures. [citation needed] Some of the most powerful thunderstorms over the United States occur in the Midwest and the Southern states. These storms can ...
Massive chunks of hail pelted parts of Kansas and Missouri on Wednesday night, bringing traffic to a standstill along Interstate 70, as storms unleashed a possible tornado and meteorologists urged ...
The third heat wave suffocating dozens of states in Mexico could give way on Sunday to torrential rains, hail and even whirlwinds during the afternoon in the center of the country, meteorologists ...
Hailstorm over Truk Lagoon is a book by Klaus Lindemann about the shipwrecks of Truk lagoon. The wrecks were caused by Operation Hailstone , a US Navy aerial attack on the Japanese -held islands of the lagoon on 17 and 18 February 1944.