Heavy rain has hit Sydney however forecasters are warning ever worse is but to return for New South Wales.
The climate occasion hit sooner than anticipated as we speak, with nearly 100 millimetres of rain falling on town's north since 9am.
Belrose, within the north-east, recorded 92 millimetres of rain since 9am whereas Mona Vale, within the Northern Seashores, was shut behind at 62 millimetres and town centre copped 40 millimetres.
Extra rain is anticipated over the following 48 hours.
There are main considerations for catchments within the metropolis's north-west and Hawkesbury Nepean, the place the dams are full which might trigger flooding.
Warragamba Dam, which is presently at 100 per cent capability, is about to spill on Friday as a result of incoming rain bomb.
The Bureau of Meteorology (BoM) has reissued a extreme climate warning from Gosford to Bega.
"Six-hourly rainfall totals between 60 to 100mm are doubtless, reaching as much as 140mm over coastal areas," the BoM mentioned earlier within the day.
The Northern Seashores skilled the primary wave of the rain occasion, with greater than 70 millimetres in simply three hours.
The NSW State Emergency Service has obtained 25 requests for assist and are warning residents of attainable flash flooding.
The Wakehurst Parkway by the Northern Seashores was compelled to shut in each instructions attributable to flooding.
Meteorologist Sarah Scully mentioned flood watches had been in place for the central and south coast.
"Heavy and chronic showers over the following couple of days will enhance the chance of flash flooding," she mentioned.
She additionally flagged the chance of extreme thunderstorms within the north-east of the state on Friday.
The area has already been hit by devastating floods twice in a month, with restoration efforts from these emergencies nonetheless underway.
The brand new rain "just isn't anticipated to supply riverine flooding as a substitute it is going to be extra localised flash flooding," Ms Scully mentioned.
'I do not suppose our communities can take a lot extra'
Chloe Konispoliatis, from McGraths Hill in Sydney's north-west, mentioned she was "terrified" to see the rain return, fearing her house could possibly be flooded for a 3rd time in lower than two years.
"We have now solely simply began to get our life again collectively," she instructed At the moment.
"We managed to scrub fairly rapidly this time round, as a result of we, sadly, had been impacted by the floods final yr as properly.
"This yr we had been a bit extra ready."
She mentioned she was "continuously" maintaining with climate updates and watching the river ranges.
Within the recently-ravaged Northern Rivers area, Wardell lady Rebecca Heywood can be dealing with one other spherical of heavy rain, after her cottage was broken by floods final month.
"We're taking a look at spherical three right here for our communities of Wardell, Broadwater and Woodburn," she mentioned.
"Sadly, we stay on cane paddocks right here.
"The cane drains are full. They're blocked.
"They cannot get out to the river. So, we're already full right here.
"Any extra rain and we'll flood very simply."
She mentioned the group wanted assist and assist to open the floodgates to the cane drains, which was a bureaucratic battle native farmers had been preventing for 10 years.
"We want approval to get the drains open and working and functioning now in order that this does not occur once more. We will not undergo any extra crimson tape," she mentioned.
"I do not suppose our communities can take a lot extra."
How a lot rain will there be?
The BoM late yesterday warned heavy rainfall, presumably resulting in flash flooding, was forecast from Wednesday afternoon concerning the Illawarra and elements of the South Coast and Southern Tablelands.
The heavy rain is anticipated to increase Metropolitan and elements of the Central Tablelands and Hunter districts.
Meteorologist Ailsa Schofield mentioned the heaviest rainfall was anticipated tomorrow.
"On Wednesday we'd see rainfall complete in extra of 100mm," Ms Schofield mentioned.
"On Thursday we'd see rainfall totals in extra of 200-250mm.
"On Friday we'll see greater rainfall totals in extra of 150mm."
Ms Schofield warned average flooding might happen within the Higher Hunter, Hawkesbury and Nepean valley, in addition to the Colo River.
She additionally mentioned minor flooding might happen within the Illawarra, South Coast and Far South Coast.
"The catchments are very moist it will not take a lot rainfall to see flash flooding," she mentioned.
Not solely is heavy rainfall predicted, however extra damaging winds and enormous waves will pummel the NSW coast.
"This surge of wind and swell are being brought on by a tropical cyclone transferring south throughout the Coral Sea and urgent towards a excessive stress system within the southern Tasman Sea," Weatherzone meteorologist Ben Domensino mentioned.
Large five-metre waves batter Sydney's seashores
Waves might attain highs of as much as two to 3 metres later this week and NSW coastal residents are warned of the chance of abrasion.
"Whereas this swell might be smaller than the waves that inundated the state's coast final weekend, they could nonetheless trigger erosion in some areas," Mr Domensino mentioned.
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Thunderstorm warning for Queensland
Rain and thunderstorms are additionally anticipated to develop over southern Queensland between as we speak and the weekend.
"Rain and thunderstorms will linger over elements of jap and south-eastern Australia into the weekend, and a few of these storms might additionally turn into extreme," Mr Domensino mentioned.
A few of the rain in Queensland has been introduced by Tropical Cyclone Fili close to New Caledonia.
The cyclone is forecast to float south however will stay "properly offshore" the coast of Queensland, BoM meteorologist Helen Reid mentioned.
Queensland's coast may even expertise hazardous surf.
"Swells are anticipated to be an easterly three-metre with lengthy interval, generated by a mix of Tropical Cyclone Fili and a excessive transferring into the Tasman Sea," Ms Reid mentioned.
Some flood warnings additionally stay in place in southern Queensland, together with the Condamine catchment, however the forecast rain might trigger extra flooding later this week.