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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 ...
No thunderstorms: 2 Isolated thunderstorms. Lightning is very infrequent, 1–5 cloud-to-ground strikes in a five-minute period. 3 Widely scattered thunderstorms. Lightning is infrequent, 6–10 cloud-to-ground strikes in a five-minute period. 4 Scattered thunderstorms. Lightning is frequent, 11–15 cloud-to-ground strikes in a 5-minute period. 5
Ohio has averaged 460,074 cloud-to-ground lightning strikes per year from 1997 through 2012, according to the National Weather Service. ... No place outdoors is safe when thunderstorms are in the ...
Lightning is seen in the sky over the University of Kansas in Lawrence, Kansas, Thursday, March 26, 2020. Strong winds and hail are forecast for the area. (AP Photo/Orlin Wagner) After nearly six ...
While the summer of 2023 has been a season of smoke for parts of the northern United States, it has been a season with many thunderstorms for much of the Plains and Midwest.
The average thunderstorm has a 24 km (15 mi) diameter and a height of approximately 12.2 km (40,000 ft). Depending on the conditions present in the atmosphere, these three stages take an average of 30 minutes to go through.
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 ...