The main cause this time around was Cyclone Tasha, a tropical storm which hit the area, combined with the La Niña, a phenomenon where wet … Beginning with rains in September and then culminating with Category 1 Cyclone Tasha crossing the Far North Queensland coast on 24 December 2011, this was probably the most notorious flood in Australian history. 2011-11-16 09:19:13 2011-11-16 09:19:13. Answer. Top Answer. The 2010 La Niña weather pattern, which brings wetter conditions to eastern Australia, was the strongest since 1973. Cyclone Tasha causes major flooding in Queensland . Cyclone Tasha Adds to Severe Flooding Over Eastern Australia › View larger image TRMM captured this image of Tasha at 15:32 UTC (5:32 am AEST) on the 24th of December 2010 just before it became a Category 1 cyclone. In Brisbane, the river peaked at 4.46m on 13 January, flooding more than 28,000 homes and leaving 100,000 without power. Compounding the effect was the arrival on December 25 of Tropical Cyclone Tasha, which made landfall south of Cairns, in the northeast; the storm brought another 6 to 10 inches (150–250 mm) of rain to Australia’s east coast. passage of Tropical Cyclone Tasha caused major flood-ing of Brisbane city in early January 2011. 3 4 5. There was already heavy rain and flooding in parts of Queensland and when Cyclone Tasha hit it produced wide-spread torrential rains. of the 2011 Fitzroy River flood caused by Cyclone ‘Tasha’ on reefs in Keppel Bay, five reef areas that were likely to be impacted by the flood and were lying in a continuum of distance from the Wiki User Answered . Flash flooding is expected to inundate far north Queensland after a category one cyclone crossed the coast this morning. Floods triggered by tropical cyclone cut off many towns over an area the size of France and Germany combined This aerial photo shows the extent of the flooding in the Queensland town of Emerald (Getty Images) Roads have been cut off and strong winds have caused damage. Brisbane was not new to flooding, as the banks had broken before in 1974. The floods were a result of heavy precipitation caused by Tropical Cyclone Tasha that combined with a trough during the peak of a La Niña event. In December 2010, the highest recorded Queensland rainfall associated with Tropical Cyclone ‘Tasha’ caused flooding of the Fitzroy River in Queensland, Australia. Over the following days several Queensland towns were declared disaster areas, and there were more deaths and injuries. How did Cyclone Tasha trigger the floods? This made the flooding even worse resulting in heavy flooding. These are the stories of the floods for Alpha, Jericho and the surrounding areas as Cyclone Tasha crossed the coast and dumped hundreds … In the aftermath of the floods, the coal industry suffered. This flood inundated 35 suburbs and more than 14,000 properties. The flooding caused leeves and dams to break. Tropical cyclone Tasha has brought heavy rain and flooding to a large area of Queensland in Australia. Also Cyclone Tasha helped trigger the floods. Did cyclone tasha cause flooding in QLD in 2011? Asked by Wiki User. A massive flood plume inundated coral reefs lying 12 km offshore of the Central Queensland coast near Yeppoon and caused 40–100% mortality to coral fringing many of the islands of Keppel Bay down to a depth of ∼8 m. Water released from the Wivenhoe Dam exacerbated the situation, raising the Brisbane River to a peak flood level of 4.5m. Days several Queensland towns were declared disaster areas, and there were deaths. 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