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4 hurricanes. This has happened twice.

There was one occasion when there were 5 tropical cyclones (tropical depression, tropical storm, or hurricane), but no more than 2 were hurricanes at any given time.

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Q: What is the highest number of active hurricanes in the Atlantic at one time?
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How many and what are the names of the hurricanes that occurred in the Atlantic and Gulf of Mexico from the year with the lowest number of hurricanes in the years 2000-2009?

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