Mar
01
2010
0

What is Tornado Alley?

1973 tornado in Oklahoma

Tornado Alley is a colloquial name given to that part of the United States where tornadoes most frequently occur. Although Tornado Alley has no official boundaries, it is generally thought of as including most of Kansas, Nebraska and Oklahoma as well as major portions of Texas, Iowa and South Dakota and adjoining areas. In its broadest [more...]

Jul
11
2009
0

How dangerous is lightning?

This photo was taken by Axel Rouvin during a severe storm in 2000 in Bordeaux, France. CC-BY,

Although lightning can be fascinating to watch, it can also be deadly. That fact isn’t surprising: A lightning bolt can have an electrical potential of millions of volts and have a temperature hotter than the surface of the sun. About 70 people die in the United States each year from lightning strikes, about three each year [more...]

Written by mvguy | 439 views | Tags: , , , | 0 Comments
Jul
02
2009
1

What causes lightning?

Uneven distribution of lightning strikes across the planet.

There are few common displays of nature that are more dramatic than lightning — happening in an instant, a lightning strike is hotter than the surface of the sun and creates a sound that sometimes can be heard as far away as 25 miles or 40 kilometers. It’s no wonder that since ancient times lightning [more...]

Written by mvguy | 437 views | Tags: , , , | 1 Comment

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