Hurricane Erin is causing dangerous conditions at beaches along the Jersey Shore, NYC and Long Island, where some could see coastal flooding.

Category 2 Hurricane Erin continued its path up the East Coast on Aug. 21, bringing flooding and dangerous surf conditions to coastal communities.

In fact, while hurricane seasons since 2006 have seen historically high U.S. landfall activity, all ten Category 3, 4, or 5 landfalls have occurred between Texas and the Florida Keys. Compare this to a similarly busy period between 1945 and 1964,