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Category Archives: Severe Weather
What is a derecho?
A derecho (pronounced deh-RAY-cho, a Spanish word meaning “straight ahead”) is an hours-long windstorm associated with a line of severe thunderstorms. It is a result of straight-line winds, not the rotary winds of a tornado — hence its name. Derechos in the United States are most common in the late spring and summer (May through August). Continue reading
Category: Severe Weather
Tags Meteorology, Phenomena, Severe Weather, Wind
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Tags Meteorology, Phenomena, Severe Weather, Wind
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What does the recent big storm in Alaska mean for us?
The massive storm that struck the west coast of Alaska last Tuesday and Wednesday was truly an amazing meteorological event. The entire Bering Sea coast was under the threat of hurricane-force winds, with many areas facing heavy snow and zero visibility. Continue reading
Category: Severe Weather
Tags Cold, Dangers, Severe Weather, Tropical, Winter
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Tags Cold, Dangers, Severe Weather, Tropical, Winter
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What are Straight-line Winds?
The term “straight-line winds” is used to describe ground-level winds that come out of a thunderstorm and do not have rotation. If these winds travel at speeds that exceed . . . Continue reading
Category: Severe Weather
Tags Dangers, Phenomena, Severe Weather, Wind
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Tags Dangers, Phenomena, Severe Weather, Wind
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Does lightning travel from the earth to the sky, or from the sky downward?
Lightning travels both ways.
Lightning is a huge electrical discharge that results from vigorous motions that occur in thunderstorms. Lightning can travel from cloud . . . Continue reading
Category: Severe Weather
Tags Lightning, Phenomena, Severe Weather, Thunderstorms
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Tags Lightning, Phenomena, Severe Weather, Thunderstorms
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What’s behind the Nationwide Outbreaks of Deadly Tornadoes?
The enormous loss of life associated with the 2011 tornado season thus far is truly staggering.
After the Joplin, Mo., tornado May 22 and the recent . . . Continue reading
Category: Severe Weather
Tags Dangers, Severe Weather, Spring, Summer, Thunderstorms, Tornadoes, Unstable
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Tags Dangers, Severe Weather, Spring, Summer, Thunderstorms, Tornadoes, Unstable
Comments Off on What’s behind the Nationwide Outbreaks of Deadly Tornadoes?
