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Although Tropical Cyclone Fina has passed, its lingering effects will influence the weather across southern Australia throughout the week, according to meteorologists.
This phenomenon is anticipated to trigger a brief springtime heatwave in several states today. Temperatures are expected to soar, reaching up to 47 degrees in southwest Queensland and 46 degrees in certain areas of South Australia.
Authorities in Queensland have issued an extreme heat alert encompassing regions such as the Peninsula, Gulf Country, Northern Goldfields and Upper Flinders, North Tropical Coast and Tablelands, Herbert and Lower Burdekin, Central Coast and Whitsundays, and the North West districts.
In South Australia, residents in the Eastern Eyre Peninsula, Flinders, and Mid North areas have been cautioned about the severe fire risk predicted for today.
Hot conditions are also forecasted to stretch into northwestern New South Wales and parts of the Northern Territory, with expected highs in the low 40s.
NSW authorities have issued a severe heatwave warning for the Northern Rivers, Mid North Coast, Northern Tablelands and Upper Western districts lasting until Wednesday.
In the Northern Territory there is a severe heatwave warning today and tomorrow for Barkly, Simpson, Lasseter and Tanami.
The origin of the heat burst is over the Timor Sea, off Darwin, where Fina sucked in huge amounts of heat from the water and propelled it into the upper atmosphere.
By today, this air has reached southern states powered by a high pressure system.
Meteorologists say much of the moisture has been lost, but air will gradually become hotter as it descends to central Australia, a process they call adiabatic warming.
While these conditions are not unusual for late spring, they may nudge seasonal heat records.