The storm tore by way of the town's southwest about 4pm at this time with the entire of Sydney experiencing the temperature drop and surprising rainfall.
Houses have been broken and timber have been introduced down through the fast storm.
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A girl was injured on Hale Place, Fairfield, and was handled by paramedics.
Bushes have been introduced down by the rain and wind whereas one explicit tree in Roselands was hit by lightning.
Greater than 12 millimetres of rain has fallen within the metropolis's south-west since 9am.
Temperatures plunged shortly in Sydney from a sweltering 30C day all the way down to 25C in simply an hour.
The storm got here on shortly after Weatherzone reported earlier at this time the nation was virtually away from rain.
"You would not have seen an virtually whole lack of inexperienced rain blobs on the Weatherzone nationwide rain radar too usually on this La Niña summer season," Weatherzone stated.
"However proper now, the entire continent is nearly clear."
Weatherzone stated the one minor areas of rain are scattered throughout outback Western Australia and a few mild patches in central Victoria.
Many of the nation skilled heat and sunny temperatures at this time.
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Sydney and the NSW coast can anticipate a return of showers and potential storms this weekend.