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Extreme storm surges may occur more often

Global temperature increases could boost hurricane-caused flooding

As the climate warms, deadly flooding caused by storm surges will occur more frequently, scientists predict.

A storm surge is the rise in water above normal tide level that occurs when hurricanes push water toward a coast. In 2005, Hurricane Katrina smacked the Gulf Coast with a storm surge of up to 8.5 meters. During the 20th century, storm surges of this magnitude hit the United States about once every 10 to 30 years.

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