An oppressive heatwave stretching from Darwin to Victoria will send temperatures soaring up to 15 degrees Celsius above average during the coming days.
Maximum temperatures are predicted to exceed 40C across a broad swathe of Australia's interior and east during the next few days.An oppressive heatwave stretching across half the country from Darwin to Victoria will send temperatures soaring up to 15 degrees Celsius above average during the coming days.
The severe heat follows Australia's warmest spring on record and is likely to be followed by additional bursts of hot weather through the Christmas and New Year period. Under a heat dome, air sinks towards the ground where it compresses and warms up while also preventing cooler surrounding air from mixing in, a process which can prolong hot weather from days to weeks.The western edge of the dome already sent Perth to a maximum of 40.4C on Wednesday, the city's hottest December day in three years.
While eastern NSW also sweats through a heatwave from Saturday to Monday, the hottest weather for Sydney won't arrive until Tuesday when western suburbs potentially reach 41C.A cool and gusty south-west change will spread through southern states by Tuesday, and most of NSW by Wednesday, however, as is often the case, relief will arrive as a double-edged sword.
The Bureau Of Meteorology's method for outlooks weeks and months ahead is to run their model 99 times and use the variation in results to indicate the likely weather. The BOM classifies a heatwave as a period when temperatures are unusually hot over three days, however the threshold for what's considered 'hot' varies by location and time of year.
Extreme Heat Fire Threat Humidity Heatwave Christmas Day Bureau Of Meteorology Bom
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