Katrina
Hurricane Katrina, as seen on this August 29, 2005 was a Category 4 hurricane with sustained winds of 145 mph when it hit the U.S. coast.
Hurricanes and cyclones are basically the same type of storms that contain sustained winds of more than 74mph. They are called hurricanes over the Atlantic, the Northeast Pacific east of the International Dateline, or the South Pacific Ocean; and cyclones over the Indian Ocean.
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