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WA weather delivers winter deluge as Perth Hills cop almost 50mm, with more rain on the way

Eliza Borrello and Evelyn Manfield, Monday August 10, 2020 - 10:20 EST
ABC image
The cold front prompted a severe weather warning for damaging winds and surf. - ABC

Widespread areas across WA have recorded decent rain over the weekend, with the Perth Hills receiving nearly 50 millimetres and areas in the Central West reaching up to 40 millimetres.

After a drier than usual start to winter, the Bureau of Meteorology (BOM) said the rain was welcome, but would not make up for the shortfall in previous months.

But BOM senior forecaster Adam Conroy said there would be a follow-up system coming this weekend.

"This was quite a significant event we had yesterday and into today in that the rainfalls reached further north and east than you normally expect from a winter cold front," he said.

"In fact we even have rain falling through the Pilbara."

The weekend saw a severe weather warning for damaging winds and surf in place for coastal parts of WA's lower west, as a cold front and rain band moved across the state.

Flash flooding was forecast for the Central West, but Mr Conroy said rainfalls were not significant enough.

Fallen trees, roof damage among calls for help

The State Emergency Service had answered more than 80 calls for assistance on Sunday, mostly related to damage in the metropolitan area.

Fallen trees were reported in Bedfordale, Marmion, Roleystone and South Perth, while residents in Lower Chittering, Coolbinia and City Beach reported roof damage.

Bureau of Meteorology (BOM) duty forecaster Darryl Vink said a "fairly significant" cold front was crossing the west coast with an associated rain band.

"Damaging wind gusts up to 110 kimometres per hour are possible throughout the day," Mr Vink said on Sunday morning.

Early on Sunday, the BOM warned the system could result in flash flooding in some towns, including Denham, Geraldton, Kalbarri and Northampton.

Mr Vink said the size of the weather front was unusual.

"We don't often see cold fronts extending all the way up the west coast, well out into the Indian Ocean," he said.

"A few times a year we might see them, typically as we get closer to spring. It is an inherently unstable time of the year."

The BOM said Cape Naturaliste recorded a wind gust of 109kph at 7:53am, while Geraldton Airport had recorded 40.6 millimetres of rain since 12:00am — roughly two-thirds of its monthly average for August.


© ABC 2020

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