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Tropical cyclone Joan was the most destructive cyclone to affect the Port Hedland area in more than 30 years. The city was subjected to sustained winds exceeding 90 km/h for about 10 hours with winds in excess of 120 km/h for three hours. The maximum measured wind gust of 208 km/h on December 8, 1975, is the fourth highest on record in Australia.
Cyclone Tracy devastated the city of Darwin, Northern Territory, Australia, from Christmas Eve to Christmas Day, 1974.It is the most compact cyclone or equivalent-strength hurricane on record in the Australian basin, with gale-force winds extending only 48 kilometres (30 mi) from the centre and was the most compact system worldwide until Tropical Storm Marco of the 2008 Atlantic hurricane ...
Severe Tropical Cyclone Joan was an intense tropical cyclone that ravaged areas of Western Australia. Forming out of a tropical low on 30 November 1975, Joan gradually intensified as it tracked towards the west. After attaining Category 5 intensity on 5 December, the storm abruptly began to track southward and accelerated.
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, developing, easterly storm was originally expected to pass clear of the city, but it turned towards it early on 24 December.
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 ...
1974–75, 1975–76, 1976–77, 1977–78, 1978–79 The 1976–77 Australian region cyclone season was a slightly above average tropical cyclone season. Systems
Cyclone Marcus at peak intensity on 21 March 2018, over the Indian Ocean to the west of Australia. Category 5 severe tropical cyclones are tropical cyclones that reach Category 5 intensity on the Australian tropical cyclone intensity scale within the Australian region. They are by definition the strongest tropical cyclones that can form on Earth.
A tropical cyclone (known as The Gold Coast Cyclone) crossed the coast late evening on 20 February 1954 at Coolangatta. [149] [150] Extreme rainfall associated with the cyclone produced record totals, including 900mm at Springbrook, Queensland in the 24 hours crossing and 809mm at Dorrigo, New South Wales in 24 hours to 9 am on 21st. [150]