Hurricanes are declared "Major Hurricanes" at 111 mph

"Major hurricane" is a term utilized by the National Hurricane Center for hurricanes that reach maximum sustained 1-minute surface winds of at least 50 m/s (96 kt, 111 mph). This is the equivalent of category 3, 4 and 5 on the Saffir-Simpson scale.

[link to www.aoml.noaa.gov]