Category 2 the fourth-highest classification on the Australian tropical cyclone intensity scale is used to classify tropical cyclones, that have 10-minute sustained winds of 48–63 knots (89–117 km/h; 55–72 mph).
[1] The basin is officially monitored by the Fiji Meteorological Service and the New Zealand MetService, while other meteorological services such as the Australian Bureau of Meteorology, Météo-France as well as the United States Joint Typhoon Warning Center also monitor the basin.
[1][2] A named storm could also be classified as a Category 2 tropical cyclone if it is estimated, to have 1-minute mean maximum sustained wind speeds of between 83–95 knots (154–176 km/h; 96–109 mph) on the Saffir–Simpson hurricane wind scale.
[1][3] This scale is only officially used in American Samoa, however, various agencies including NASA also use it to compare tropical cyclones.
[1] A Category 2 tropical cyclone is expected to cause catastrophic devastation, if it significantly impacts land at or near its peak intensity.