How many hurricanes have been in existence at once?

Four. In 1998, four hurricanes were observed in the Atlantic at the same time. This event had not occurred since 1893. These four hurricanes were Ivan, a Category 1 storm; Jeanne and Karl, which were Category 2 storms; and Georges, a Category 4 storm. They were in existence largely during the middle to the end of September, 1998.

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