Tag Archives: Thunderstorms

Can we predict the kinds of tornadoes that hit Oklahoma?

Through the end of last week, this spring had been well behind the average in number of reported tornadoes in the United States. Though we are still running a lower than average year, the recent devastation in Moore, Okla., has brought tornadoes back into the news in a dramatic way. Continue reading

Category: Severe Weather
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When does the Overnight Low Temperature Occur on a Windless Day?

As the summer begins to fade we have begun to have the first cool nights of the season. When the sky is clear, the winds are calm, and the ground is dry as the sun sets, the conditions are perfect for an interesting phenomena to occur the next morning . . . Continue reading

Category: Meteorology
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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’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 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

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