For Sydney's climate in general, see Climate of Sydney.
Bushfire smoke following the Black Summer bushfires in December 2019
Severe weather events or extreme weather events in Sydney, Australia, include hailstorms, thunderstorms, gale, bushfires, heatwaves, drought, and flash flooding from heavy rain (caused by East coast lows or black nor'easters). Sydney is rarely affected by cyclones, although remnants of cyclones do affect the city.[1]
According to CSIRO and the Bureau of Meteorology, global warming has increased the chances of extreme rain and flash floods recently.[2][3] However, destructive heavy rainfall events have occurred in Australia, including the Sydney area, since records began in the 18th century.[4][5]
Annually, coastal Sydney sees five heat-related deaths per 100,000 people while the western suburbs see 14 per 100,000.[6] Heat-related deaths in the city were common in the late 19th and early 20th century period where several individual cases were reported.[7][8][9][10]
^"Tropical cyclones reached Sydney in the 1950s and they could return".
^"Forecasters warn of potentially 'life-threatening flash-flooding' in Sydney". Retrieved 29 May 2020.
^Turbulent La Nina season makes it even harder to predict the weather Sydney Morning Herald 21 January 2022.
^Nicholls, Neville (10 February 2020). "Fires and floods: Australia already seesaws between climate extremes – and there's more to come". The Guardian. Retrieved 29 May 2020.
^"Forecasters warn of potentially 'life-threatening flash-flooding' in Sydney". Retrieved 29 May 2020.
^‘Heat dome’ surrounding Australian CBDs leave suburbs to scorch Archived 3 March 2021 at the Wayback Machine by Benedict Brook from News.com.au. Retrieved 25 November 2020.
^"THE HEAT WAVE. HIGH SHADE TEMPERATURES. BURNING OUT THE OLD YEAR. A READING OF 114 DEG. RAIN STORM IN WESTERN AUSTRALIA". Advertiser. Trove. 2 January 1905. Retrieved 28 January 2024.
^"DEATH FROM HEAT EXHAUSTION. WEST WYALONG, Monday". Sydney Morning Herald. Trove. 29 December 1896. Retrieved 28 January 2024.
^"HIKER'S DEATH FROM HEAT STROKE SYDNEY". Trove. Retrieved 28 January 2024.
^"Sydney heatwave: Is it hot enough for you?". The Sydney Morning Herald. 10 October 2013. Archived from the original on 17 January 2014. Retrieved 23 January 2014.
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