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Storms rapidly cool sweltering temperatures as heat heads west

Published: (Updated: ) in Australian News by .

A heatwave that swept through central Australia is expected to ease this week as storms move to rapidly cool sweltering temperatures.

A heatwave that swept through central Australia is expected to ease this week as storms move to rapidly cool sweltering temperatures.

Queensland sweated through 47.6C in Channel Country yesterday, while Birdsville reached 47.6C, Weatherzone reported.

The northeast pastoral region in South Australia came a close second in terms of hottest maximum, with the area reaching 46.1C.

Parts of New South Wales were not as hot, but still surpassed the 40C-mark, with the state's upper Western region recording 43.2C.

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"Fortunately, the temperature outlook looks a bit more kind for central Australia in the upcoming week," Weatherzone meteorologist Scott Morris said in a statement.

"Maximums in the low 30s for the first couple of days and even down into the high 20s before building back up close to 40C by the end of next week."

Mr Morris said the scorching heat subsided as thunderstorms, showers and strong winds developed, with temperatures dropping as much as 12C in just minutes.

"A cold front also followed quickly behind the trough, bringing a cooler airmass. The combination of these played a big part in dropping the temperature rapidly in these locations," he said.

"As thunderstorms passed overhead after 3pm, the mercury at Tibooburra dropped over 10C in just 15 minutes. South of Tibooburra, White Cliffs dropped almost 12C in 11 minutes."

He said the temperature drops were not the only feature of this system.

"As the winds shifted from northwesterly to southwesterly, a 111km/h wind gust was recorded at Tibooburra along with 80km/h sustained winds," he said.

Meanwhile, Weatherzone said Western Australia is next to feel the heat.

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"A trough will develop about the west coast of WA over the next few days, resulting in a hot airmass being directed towards the coast," Weatherzone meteorologist Graeme Brittain said in a statement.

"At this stage, the airmass will be at its hottest over Perth on Tuesday, with the mercury expected to nudge above the 40C mark in some eastern suburbs," Mr Brittain said.

"The Fremantle Doctor will provide some relief from early afternoon in western parts of the city as winds swing in from the southwest.

"He said gusty winds associated with the trough will reduce nocturnal cooling on Monday and Tuesday night, with the mercury looking to be stuck in the mid-20s until at least 10pm both nights."

Mr Brittain said the trough will gain moisture and the airmass will begin to cool from Wednesday, resulting in less hot daytime temperature, although the humidity will increase.

"Greater amounts of cloud cover and the threat of showers and storms, will also act to suppress nocturnal cooling each night from Wednesday to Friday," he said.

Source: 9News

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