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The result is the nearly daily development of clouds that produce thunderstorms. For example, "Lightning Alley"—an area from Tampa to Orlando—experiences an extremely high density of lightning strikes. As of 2007, there were as many as 50 strikes per square mile (about 20 per km 2) per year.
Single-cell thunderstorms form in environments of low vertical wind shear and last only 20–30 minutes. Organized thunderstorms and thunderstorm clusters/lines can have longer life cycles as they form in environments of significant vertical wind shear, normally greater than 25 knots (13 m/s) in the lowest 6 kilometres (3.7 mi) of the ...
According to the CDC there are about 6,000 lightning strikes per minute, or more than 8 million strikes every day. [11] As of 2008 there were about 240,000 "lightning strikes incidents" around the world each year. [12] According to National Geographic in 2009, about 2,000 people were killed annually worldwide by lightning. [13]
In late June 2021, a heat dome parked over the West Coast states led to record-shattering temperatures.Seattle hit the 100-degree mark on three consecutive days, peaking at 108 on June 28.
Cities at risk of severe weather Monday include Washington, D.C., and Philadelphia.A cool breeze from the Atlantic may limit severe weather in New York City and Boston to perhaps later in the day ...
Take Shelter is a 2011 American psychological thriller film written and directed by Jeff Nichols and starring Michael Shannon and Jessica Chastain.The plot follows a young husband and father (Shannon) who is plagued by a series of apocalyptic visions, and questions whether to shelter his family from a coming storm, or from himself and his increasing worries over having paranoid schizophrenia.
It originates from a mass of storm clouds at an altitude of more than 1 km (0.6 mi), and occurs for 140 to 160 nights a year, nine hours per day, and with lightning flashes from 16 to 40 times per minute. [3] It occurs over and around Lake Maracaibo, typically over a bog area formed where the Catatumbo River flows into the lake. [4]
Thunderstorms which show radar returns above 14 kilometres (8.7 mi) in height are associated with storms which have more than ten lightning flashes per minute. There is also a correlation between the total lightning rate and the size of the thunderstorm, its updraft velocity, and amount of graupel over land.