A tropical cyclone in which the maximum sustained surface wind speed (using the U.S. 1-minute average) ranges from 34 kt (39 mph or 63 km/hr) to 63 kt (73 mph or 118 km/hr)
National Oceanic and Atmospheric Administration's NOAA, National Weather Service, Glossary of NHC Terms, National Centers for Environmental Prediction, National Hurricane Center, Fl, USA 2012. http://www.nhc.noaa.gov/aboutgloss.shtml, (ND/ Hurr Sci - Amer) {146}
NOAA/National Weather Service, National Centers for Environmental Prediction, National Hurricane Center NHC, Glossary of NHC Terms, Miami, Florida, USA 2014. http://www.nhc.noaa.gov/aboutgloss.shtml, (ND/ Hurr Sci - Amer) {916}