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A Category 4 hurricane has winds of 113 to 136 kn (130 to 157 mph; 209 to 252 km/h), while a Category 5 hurricane has winds of at least 137 kn (158 mph; 254 km/h). [1] [3] A post tropical cyclone is a system that has weakened, into a remnant low or has dissipated and formal advisories are usually discontinued at this stage. [1]
To be classified as a hurricane, a tropical cyclone must have one-minute-average maximum sustained winds at 10 m (33 ft) above the surface of at least 74 mph (64 kn, 119 km/h; Category 1). [1] The highest classification in the scale, Category 5 , consists of storms with sustained winds of at least 157 mph (137 kn, 252 km/h).
Within the basin a Category 3 severe tropical cyclone is a tropical cyclone that has 10-minute mean maximum sustained wind speeds of 64–85 knots (119–157 km/h; 74–98 mph) on the Australian tropical cyclone intensity scale. [1] [2] A named storm could also be classified as a Category 1 tropical cyclone if it is estimated, to have 1-minute ...
Within the basin a Category 1 tropical cyclone is a tropical cyclone that has 10-minute mean maximum sustained wind speeds of 33–47 knots (61–87 km/h; 38–54 mph) on the Australian tropical cyclone intensity scale. [1] [2] A named storm could also be classified as a Category 1 tropical cyclone if it is estimated, to have 1-minute mean ...
In the United States, we rate hurricanes on a scale of 1 to 5, using the Saffir-Simpson Scale that’s based on maximum wind speed: Category 1 has winds between 74 and 95 miles an hour; Category 2 ...
Category 5 severe tropical cyclone. 280 km/h (175 mph) 884 hPa (26.10 inHg) Harold: 2019–20: Category 5 severe tropical cyclone. 230 km/h (145 mph)
Jasper had intensified from a category 1 storm on a 5-tier scale before it became the first cyclone of the current season to hit Australia, Queensland state Deputy Premier Steven Miles said.
Category 1 is the first category on the Saffir–Simpson hurricane wind scale and the Australian tropical cyclone intensity scale. The following lists show tropical cyclones that have reached that intensity in Earth's ocean basins. List of Category 1 Atlantic hurricanes; List of Category 1 Pacific hurricanes