Yesterday’s wild weather ensured that Perth not only recorded its wettest day for the year, but also its wettest day for three years, according to the Weather Bureau.
The heaviest rainfall occurred before 8am today, with a lighter shower or two forecast for the rest of the day.
Rain is predicted for the rest of the week, with the heaviest – 10-15mm – expected on Saturday afternoon and Sunday morning, Weather Bureau climate liaison officer Glenn Cook said.
“Showers are around for the next seven days [but] we’re not expecting anything like what we saw yesterday and overnight,” Mr Cook said.
Perth recorded more than 50mm of rain since yesterday, with the South West and Lower West among the districts to receive heavy rainfall during the wild weather.
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Bickley was one of the hardest hit areas since 9am yesterday, recording nearly 70mm of rain.
Heavy rainfall has already been recorded south of Perth.
Strong wind gusts and heavy rains through metropolitan and South West districts yesterday damaged coastal areas and left thousands of homes without power.
Weather Bureau duty forecaster Bob Tarr said the highest falls and strongest wind gusts were recorded in southern parts of the State.
“Margaret River had between 50 and 75mm of rain, including 30mm in one hour, which was not a record but a one in 10-year rainfall rate,” he said.
“We had some very strong wind gusts, with 111km/h at Busselton Jetty and 106km/h at Rottnest Island.”
Mr Tarr said extremely high tides combined with the cold front would result in erosion on WA’s coastline.
“Because of the astronomically high tides and the cold front there have been some pretty high water lines, with beach erosion from Geraldton through to Busselton,” he said.
Mr Tarr said the water marks on Cottesloe and Rockingham beaches were as high as the surf clubs there.
Western Power spokesman Todd Cardy said that yesterday afternoon 5500 homes were without power.
“It spiked at about 3pm and the front was across most of the network,” he said.
Mr Cardy said fallen trees and branches caused most of the power outages and the network was expected to be restored to normal by last night.
The cold front is expected to move to inland parts of the State over the next few days and fine weather is forecast for Friday.