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Severe Tropical Cyclone Althea was a powerful tropical cyclone that devastated parts of North Queensland just before Christmas 1971. One of the strongest storms ever to affect the Townsville area, Althea was the fourth system and second severe tropical cyclone of the 1971–72 Australian region cyclone season .
Tropical Cyclone Althea was a Category 4 cyclone when it hit the coast some 50 km north of Magnetic Island and Townsville in North Queensland on December 24, 1971. [1] Althea produced peak gust wind speeds between 123 and 145 miles per hour (197 and 233 km/h). Three people died and property damage was estimated at A$115 million loss (1990 value).
The Australian region tropical cyclone basin is located to the south of the Equator between 90°E and 160°E. [1] The basin is officially monitored by the Australian Bureau of Meteorology as well as the Indonesian Agency for Meteorology, Climatology and Geophysics (BMKG), and the Papua New Guinea National Weather Service. [1]
Townsville is a city on the north-eastern coast of Queensland, Australia. With a population of 201,313 as of 2024, [1] it is the largest settlement in North Queensland and Northern Australia (specifically, the parts of Australia north of the Sunshine Coast). It is unofficially considered the capital of North Queensland.
The fourth system and second severe tropical cyclone of the season, Althea was one of the strongest storms ever to affect the Townsville area. After forming near the Solomon Islands on 19 December and heading southwest across the Coral Sea , the storm reached Category 4 on the Australian cyclone scale , peaking with 10-minute average maximum ...
Tropical cyclones are non-frontal, low-pressure systems that develop, within an environment of warm sea surface temperatures and little vertical wind shear aloft. [1] Within the Australian region, names are assigned from three pre-determined lists, to such systems, once they reach or exceed ten–minute sustained wind speeds of 65 km/h (40 mph), near the center, by either the Australian Bureau ...
Western Australia: Unknown: Unknown [50] Magda: 18 – 24 January 2010: 130 km/h (80 mph) 975 hPa (28.79 inHg) Western Australia: Unknown: Unknown [51] Paul: 24 March – 2 April 2010: 130 km/h (80 mph) 971 hPa (28.67 inHg) Northern Territory: Unknown: Unknown [52] Dianne: 14 – 22 February 2011: 140 km/h (85 mph) 960 hPa (28.35 inHg) Western ...
The following lists events that happened during 1971 in Australia. 1971 in Australia; Monarch: ... 24 December – Cyclone Althea hits Townsville and surrounding ...