Dr. Cary Mock, a USC geographer and paleo-climatologist, has used old newspapers, diaries and ship logs to chart weather patterns and hurricanes going all the way back to the 1700s in South Carolina and along the Eastern Seaboard.
Right now, Tropical Storm Hanna is just off the SC coast, Hurricane Ike is headed for the Bahamas and Tropical Storm Josephine is in the Atlantic.
"Right now, with three at the same time, that's unusual but I wouldn't say it's extremely unusual. It is the height of hurricane season. So we've had other periods, I think 1893. Yeah, there's a day in 1893 there were actually four hurricanes at the same time in the Atlantic basin. I think that repeated once in 1998, I believe. Yeah, 1998 and 1893, four hurricanes at the same time," Dr. Mock says.

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