Monthly Archives: May 2011

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
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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

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What is with the Humidity?

As the spring finally comes after a cool second half of April, it is not only the temperature that rises but also the humidity. Humidity is a measure of the amount of invisible water vapor that is in the air. Continue reading

Category: Meteorology
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How do We Stay Safe from Tornadoes?

The U.S. has a wonderful tornado warning systems. The national system of severe weather watches and warnings has saved untold numbers of lives. In addition to the sirens, the National Oceanic and Atmospheric Administration’s (NOAA) Weather Radio network puts nearly everyone within range of government weather broadcasts. Continue reading

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What Causes Tornadoes?

A tornado is a powerful column of winds that rotate around a center of low pressure. The winds inside a tornado spiral inward and upward, often exceeding speeds of 300 mph. For a thunderstorm to produce a tornado requires warm humid air near the surface with cold dry air above. Continue reading

Category: Severe Weather
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