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WA weather: Strong wind warning issued as cold front bears down on state's south

By David Weber, Tuesday August 8, 2017 - 16:56 EST
ABC licensed image
The cold front is due to bring rain south-west of a line from Karratha in the north to Eucla in the south. - ABC licensed

A cold front moving across the south-west of Western Australia is expected to bring heavy rain and strong winds into the night and early morning.

The impending bad weather — which could also bring hail — has prompted a strong wind warning for waters from Ningaloo in the north all the way to Eucla in the south, including Perth local waters.

Bureau of Meteorology (BOM) duty forecaster James Ashley said the system was likely to be less intense than , but more widespread.

"The potential [is] for some heavy falls in excess of around 30 millimetres, maybe up around 50 millimetres during the course of today," he said.

Mr Ashley said winds were already picking up.

"I've already seen some wind gusts around 80 kilometres an hour near the coast," he said.

"There's potential for wind gusts a little bit stronger than that, particularly on the leading edge of the front."

Mr Ashley said the cold front would bring rain anywhere south-west of a line from Karratha in the north to Eucla.

"So the whole south-western half of the state will get some rain out of this system with some reasonable falls getting right in to the eastern Wheatbelt, about 10 to 20 millimetres," he said.

"Behind the band tonight we'll see a particularly unstable pool of cold air move over the south-west of the state.

"With that there'll be some heavy showers, the chance of a thunderstorm and small hail as well, right through the course of Wednesday."

More on way but still a dry winter: BOM

Another cold front has been forecast to arrive on Friday night and across the weekend, with more rain forecast for next week.

The looming rain — on top of July's falls — has raised the possibility the rainfall total for winter may be WA's highest this century.

However, Mr Ashley said that was unlikely.

"We had a really dry June but we've had quite a wet July, which was above average through chunks of the south-west including Perth," he said.

"With one month being so dry, it takes a bit to catch up to the actual winter time average across the three months of winter, so we would still need to have a fairly wet August."


© ABC 2017

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