Original sentence: Cyclone Orson originated out of a tropical low that formed northwest of Darwin, Australia on April 17, 1989
Edited sentence: Cyclone Orson originated out of a tropical low, monitored by the Australian Bureau of Meteorology, that formed northwest of Darwin, Australia on April 17, 1989.The Australian Bureau of Meteorology uses 10-minute sustained winds, while the Joint Typhoon Warning Center uses one-minute sustained winds.The Bureau of Meteorology's peak intensity for Orson was 250 km/h (155 mph) 10-minute sustained, or 290 km/h (180 mph) one-minute sustained.The JTWC's peak intensity for Orson was 260 km/h (160 mph) one-minute sustained, or 220 km/h (140 mph) 10-minute sustained.The conversion factor between the two is 1.14