Tag Archives: Severe Weather

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
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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

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What is a Heat Burst?

Heat bursts are sudden, usually dramatic increases in the surface temperature, often accompanied by strong winds, that sometimes occur in the vicinity of a thunderstorm. Though they are not an everyday occurrence, they are not exceptionally unusual either . . . Continue reading

Category: Phenomena
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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

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What’s the Outlook for Hurricanes this Year?

Hurricane season starts June 1 and runs through November. The National Oceanic and Atmospheric Administration is forecasting an above-average season.

We usually expect the hurricane season to have . . . Continue reading

Category: Tropical
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