Category 1 is the lowest classification on the Australian tropical cyclone intensity scale used to classify tropical cyclones, that have 10-minute sustained winds of 33–47 knots (61–87 km/h; 38–54 mph). As of 2020 tropical cyclones have peaked as Category 1 tropical cyclones in the South Pacific tropical cyclone basin, which is denoted as the waters surrounding Australia to the south of the equator, between 90°E and 160°E. The earliest tropical cyclone to be classified as a Category 1 tropical cyclone was Carmen. The latest was Harold which was classified as a Category 1 tropical cyclone as it moved through the Solomon Sea.
