Wednesday 5 October 2022 10:22 PM Australia weather: Sydney, Melbourne, Brisbane updates as rain smashes east ... trends now

Wednesday 5 October 2022 10:22 PM Australia weather: Sydney, Melbourne, Brisbane updates as rain smashes east ... trends now
Wednesday 5 October 2022 10:22 PM Australia weather: Sydney, Melbourne, Brisbane updates as rain smashes east ... trends now

Wednesday 5 October 2022 10:22 PM Australia weather: Sydney, Melbourne, Brisbane updates as rain smashes east ... trends now

A massive storm system battering Australia's east coast is set to topple records and push this year's rainfall total to the biggest ever recorded. 

Sydney copped a bucketing on Thursday morning with 27.6mm of rain already reported as of 8am AEDT. 

Meanwhile, showers will increase in Melbourne throughout the day and Brisbane will cop a bit of light rain.

The rain is expected to continue in Sydney through to Monday, while rain will ease into occasional showers in Melbourne and rain will come and go in Brisbane. 

This year, Sydney's Observatory Hill weather station has already recorded enough rain to topple the city's second highest rainfall total, set at 2,110mm in 1860.

This week's rain is expected to break the all-time record of 2,194mm set in 1950.

A wild wet weather system battering Australia's east coast will push Sydney's rainfall to the most ever recorded in a year (pictured, forecast rainfall for the next seven days)

A wild wet weather system battering Australia's east coast will push Sydney's rainfall to the most ever recorded in a year (pictured, forecast rainfall for the next seven days)

Weatherzone forecasters said the wet weather system is 'enormous' extending from the Gulf of Carpentaria to Bass Strait and beyond (pictured, an image taken just before midday on Wednesday (AEDT), illustrates the scale of the system)

Weatherzone forecasters said the wet weather system is 'enormous' extending from the Gulf of Carpentaria to Bass Strait and beyond (pictured, an image taken just before midday on Wednesday (AEDT), illustrates the scale of the system) 

Meanwhile, the records are falling elsewhere in the country, with the outback NSW town of Bourke copping its monthly average rainfall in just one day on Wednesday with 39.2mm dumped.

Weatherzone forecasters told Daily Mail Australia the torrential downpours are part of an 'enormous' system that extends 'from the Gulf of Carpentaria in the north to Bass Strait and beyond in the south'.

'We will be seeing widespread heavy rains over vast swathes of NSW, parts of Tasmania, Victoria, south and western parts of Queensland,' meteorologist Tom Hough said.

NSW will bare the brunt of the system with Sydney expected to cop heavy rain into next week as strong winds remain offshore.

Brisbane is looking good in comparison with the other major cities with 5mm expected for the River City on Thursday (pictured, not all of the cloud in that system is currently generating rain, although a lot of it is - the  green areas represent rain)

Brisbane is looking good in comparison with the other major cities with 5mm expected for the River City on Thursday (pictured, not all of the cloud in that system is currently generating rain, although a lot of it is - the  green areas represent rain)

High totals of 50-100mm are expected in inland parts of the state, heightening the risk of flood across already saturated catchments.

'We'll start to see more of a flash flood risk as well as riverine flood risk over the coming days,' Gabrielle Woodhouse from the Bureau of Meteorology said.

'There is a lot of rain and … it's falling on very, very wet catchments.'

A second weather system will bring storms, rain, and bursts of heavy falls to parts of southern Queensland and NSW, to southern Victoria, from Thursday night and into Friday.

Finally, a third rainfall system will sweep across southern Queensland, NSW and eastern Victoria on Saturday and Sunday.

Rain is expected to ease for most major cities by mid next week. 

There is a high chance of outback flooding as the three weather

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