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Severe Tropical Cyclone Yasi (/ ˈ j ɑː s iː /) was a powerful and destructive tropical cyclone that made landfall in northern Queensland, Australia in early 2011, causing major damage to the affected areas.
The 2010–11 Australian region cyclone season was a near average tropical cyclone season, with eleven tropical cyclones forming compared to an average of 12. The season was also the costliest recorded in the Australian region basin, with a total of $3.62 billion (2011 USD) in damages, mostly from the destructive Cyclone Yasi. [1]
The Australian region tropical cyclone basin is located to the south of the Equator between 90°E and 160°E and is officially monitored by the Indonesian Badan Meteorologi, Klimatologi, dan Geofisika (BMKG), Australian Bureau of Meteorology and the Papua New Guinea National Weather Service. [1]
Operation Yasi Assist was a multi-Service activity by the Australian Defence Force (ADF) as part of the response to Severe Tropical Cyclone Yasi.Coordinated to aid civilian emergency response efforts, at Federal inter-departmental level it was managed by Emergency Management Queensland.
Ahead of the cyclone season, RSMC Nadi, TCWC Wellington, the Australian Bureau of Meteorology (BoM), the New Zealand National Institute of Water and Atmospheric Research (NIWA) and various other Pacific Meteorological services, all contributed towards the Island Climate Update tropical cyclone outlook that was released during October 2010. [2]
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 ...
The name Yasi has been used for two tropical cyclones worldwide. Cyclone Yasi (1996) – a tropical storm that brought heavy rainfall to Tonga . Cyclone Yasi (2011) – a powerful and destructive Category 4 tropical cyclone that struck Queensland , causing over US$3 billion in damage.
Cyclone Tracy at landfall in the Northern Territory on December 25, 1974. The costliest Australian region tropical cyclone on record was Cyclone Yasi in 2011, which caused $3.6 billion in damages. [38] The next costliest cyclone, Debbie, caused $2.73 billion in damages [39] and is closely followed by Oswald which caused $2.52 billion in damages ...