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How Do Hurricanes Form?

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1. How do hurricanes form?

Hurricanes form over warm water and moving columns of air begin to form clouds. Lower pressure air creates more and more thunderstorms and winds become faster and and faster. Eventually ocean water is gathered at the eye of the storm and causes huge storm surges.

2. Has there ever been two big hurricanes so close together before? If so, when, where and what type of damage have they done?

Harvey and Irma seem to be the first hurricanes that are so close together that people are saying that there hasn't been anything like this before.

3. What type of damage (or how severe) are they expecting from Irma?

Irma is now a Category 2 hurricane and is expected to be "extremely dangerous". With winds reaching 180

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