Supercell thunderstorms wreaked havoc on parts of NSW on Thursday – with more tumultuous weather forecast for the rest of the eastern seaboard for Friday.

Sydney felt the brunt of the wild weather on Thursday, with 24 millimetres of rain falling in the city’s west in only two hours.

Watch some of the wild weather in the video player above

Severe weather warnings are now in place for parts of the eastern states on Friday.

South-east Queensland and northern New South Wales are forecast to cop the brunt of the weather.

“A high is over the Tasman Sea and a complex low is over southeast Australia with the main centre northwest of Adelaide,” the Bureau of Meteorology says.

“A trough of low pressure extends from this low into western New South Wales.

“Unsettled weather ahead of this system is expected to continue Friday as the trough pushes slowly east and the main low centre moves to the east of Tasmania.

“The influence of the low should ease during Saturday before a ridge of high pressure extends across the state on Sunday.”

Thursday afternoon’s storms were most intense over Sydney and the Lower Hunter region. Credit: AAP

It says the possibility of “severe thunderstorms” in the northeast of NSW exists.

In Brisbane, it forecasts a chance for a severe thunderstorm in the morning and early afternoon.

Melbourne, similarly, has a 100 per cent chance of rain throughout the day, particularly in the Yarra Ranges.

But an earlier severe thunderstorm warning was cancelled by BOM on Thursday night.

BOM forecasts as much as 25mm of rain could fall.

The roof inside the Best and Less collapses.
The roof inside the Best and Less collapses. Credit:

Thursday’s storms were most intense over Sydney and the Lower Hunter, but hail was reported all the way between Sydney and Cowra in the state’s central west.

Those stones mostly measured between three and five centimetres, but some were even larger.

The conditions over western Sydney were particularly serious, with meteorologists seeing all the ingredients for a “very, very dangerous supercell”, said the Bureau of Meteorology’s Gabrielle Woodhouse.

About 4.30pm, the bureau issued a warning for a possible tornado over western Sydney.

Rain pours through the roof at Westfield Mt Druitt.
Rain pours through the roof at Westfield Mt Druitt. Credit:

It’s not yet known whether an apparent funnel cloud touched the ground or not.

Woodhouse said the storm was “really dangerous”.

Some 33mm of rain fell at Woodville Golf Course at Canterbury in about a quarter of an hour.

By Saturday evening, the worst of the storm had passed out to sea, but the bureau was still warning of threatening storms in the Sydney area and advises residents to monitor the radar on its website.

Early-morning thunderstorms deposited up to 30mm on parts of Canberra, with more likely Thursday evening.

– with AAP

Brisbane, Sydney and Melbourne expected to be battered by rain after supercell thunderstorms struck harbour city
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