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Cyclones were usually not named. The tradition started with hurricanes in the Atlantic Ocean, where tropical storms that reach sustained wind speeds of 39 miles per hour were given names. (Incidentally, hurricanes, typhoons, cyclones are all the same, just different names for tropical storms in different parts of the world; Hurricane in the Atlantic, Typhoon in the Pacific and Cyclone in the Indian Ocean). If the storm's wind speed reaches or crosses 74 mph, it is then classified into a hurricane/cyclone/typhoon. Tropical storms are given names and they retain the name if they develop into a cyclone/hurricane/typhoon.