Cyclone Tracy

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Severe Tropical Cyclone Tracy was a small but destructive tropical cyclone that devastated the city of Darwin, in the Northern Territory of Australia, in December 1974. The small but developing easterly storm was originally expected to pass clear of the city, but it turned towards it early on 24 December. After 10:00 p.m. ACST, damage became severe, with wind gusts reaching 217 km/h (117 kn; 135 mph) before instruments failed. The anemometer in Darwin Airport control tower had its needle bent in half by the strength of the gusts. Residents of Darwin were celebrating Christmas, and they did not immediately acknowledge the emergency, partly because they had been alerted to an earlier cyclone (Selma) which passed west of the city, not affecting it in any way. Additionally, news outlets had only a skeleton crew on duty over the holiday. The fatality count from Tracy was 66 people, while the damage it caused was A$837 million (about A$7.69 billion in 2022; approximately US$5.2 billion in 2022). It destroyed more than 70 percent of Darwin's buildings, including 80 percent of houses. It left more than 25,000 out of the 47,000 inhabitants of the city homeless prior to landfall and required the evacuation of over 30,000 people, of whom many never returned. After the storm passed, the city was rebuilt using more stringent standards "to cyclone code". At the time, Tracy held the record worldwide for the smallest tropical cyclone in terms of gale-force wind diameter, a record that was held for 34 years until it was broken by Tropical Storm Marco in the Atlantic basin of 2008.