Weather News

WA snow potential as wintry weather arrives from today

Ben Domensino, Monday August 8, 2022 - 12:33 AEST

One of this season’s coldest air masses to cross southwestern Australia could produce hail near Perth and deliver a dusting of snow in the Stirling Ranges during the next 48 hours.

The satellite image below shows a long band of cloud arriving in southwestern Australia on Monday morning, revealing the location of a cold front. In the wake of this front, a large area of speckled clouds sitting off the west coast of Australia has formed in a pool of cold air that has drifted north from the Southern Ocean.

Image: Composite visible satellite and radar captured at 8:30am AWST on Monday morning.

The front and proceeding cold air will both move towards the east on Monday and Tuesday, passing over a broad area of southwestern WA.

Fortunately, this cold front is not as strong as the system that hit WA last week and caused the strongest wind gusts in years at some places. However, this week’s front will still pack a punch and cause a wintry mix of rain, hail, thunderstorms, blustery winds and possible snow.

The cold front will arrive in Perth around lunch time on Monday, causing a burst of blustery winds, squally showers and a noticeable drop in temperature. The front will then continue to sweep towards the east, reaching Esperance by around 9pm.

Cold air behind the front will allow showers to persist over the southwest of WA through Monday night and on Tuesday, with some areas likely to see small hail and thunderstorms. Models even suggest that temperatures will be low enough for a dusting of snow on the Stirling Range, most likely on Bluff Knoll.

Maximum temperatures will struggle to reach the low teens over southwestern WA on Tuesday, making this one of the coldest days of the year.

Image: Forecast maximum temperature on Tuesday, according to the ECMWF-HRES model.

Calmer weather and milder temperatures will return from Wednesday as a high pressure ridge starts to build over the region.

- Weatherzone

© Weatherzone 2022

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