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The worst bushfires in Australian history occurred during the 2019–2020 Australian bushfire season, also known as the "Black Summer", which lasted for 6 months and burnt 140,000 km 2 (55,000 mi 2) of land primarily in New South Wales, Victoria, Queensland and the Australian Capital Territory. By the end of the season there had been 14-34 ...
The Australian monsoon (AUM), also known as the Australian summer monsoon (ASM), [2] and the Australian-Indonesian monsoon (AIM), [3] is a monsoon system that increases thunderstorms and rainfall over many areas of Indonesia and northern Australia, from the far northern tropics of the region to the semi-arid zone of Australia, typically between ...
March Rainfall was 74% above average for NSW, and 35% above average for Victoria however overall rain was 27% below average for Australia. A large number of sites in NSW recorded their wettest March on record, in Greater Sydney, Illawarra, Northern Rivers and the Mid North Coast saw numerous daily records and monthly records broken.
Orbost's 1978 rainfall of 1,559 millimetres (61.4 in) is as much as 256 mm (10 inches) above its previous record from 1935. In the winter, unseasonal rains struck normally bone-dry areas of northern Australia, and the wet season arrived early in the north in October.
A dried up Lake Hume, 2007 Drought-affected fields in the Victorian countryside, 2006. Drought in Australia is defined by the Australian Bureau of Meteorology as rainfall over period greater than three-months being in the lowest decile of what has been recorded for that region in the past. [1]
The 2018–19 Australian region cyclone season was an average season that saw the formation ... [90] producing a 24-hour rainfall total of 11.2 mm (0.44 in) at ...
Most of Australia is semi-arid or desert, making it the world's driest continent (excluding Antarctica). Australia's rainfall is mainly regulated by the movement of the alien monsoon trough during the summer rainy season, with lesser amounts falling during the winter and spring in its southernmost sections.
Rainfall is expected to become heavier and more infrequent, as well as more common in summer rather than in winter. Australia's annual average temperatures are projected to increase 0.4–2.0 °C above 1990 levels by the year 2030, and 1–6 °C by 2070.