Weather News

Strong cold front to strike WA today

Ben Domensino, Tuesday July 9, 2024 - 10:04 AEST

Damaging winds, blustery showers and wintry thunderstorms will lash parts of southwestern Australia on Tuesday as a cold front hits WA.

The satellite animation below shows the front approaching the southwest of WA on Tuesday morning. The band of thicker cloud off the southwest coast of WA highlights the cold front, while the large field of speckled cloud behind the front reveals a mass of cold air approaching WA.

Video: Enhanced infrared satellite images captured by the Himawari-9 satellite on Tuesday morning.

The cold front is expected to reach the South West Capes around lunchtime and make it to Perth around 5 to 7pm AWST on Tuesday. The most disruptive and dangerous weather will occur ahead of and near the cold front.

Wind and showers will increase ahead of and with the passage of the front on Tuesday morning and afternoon, with a few thunderstorms also possible ahead of the front.

Sustained wind speeds of 50 to 60 km/h and gusts reaching above 90 km/h are possible in areas to the southwest of a line from Perth to Albany during Tuesday morning and afternoon. A severe weather warning has been issued for damaging winds in this region, including Perth.

Some areas in the far southwest of the state were already clocking damaging wind gusts early on Tuesday morning, with Cape Leeuwin registering a gust of 98 km/h shortly after 7:30am AWST.

Image: Forecast wind gusts at 11am AWST on Tuesday, July 9, according to the ECMWF model.

Showers and a few thunderstorms will sweep through with the front, soaking Bunbury in the early afternoon and Perth in the early evening. This fast-moving band of showers should only deliver about 5-15 mm of rain to the South West and Lower West, and some adjacent inland areas.

Wind and rain will ease over the southwest of WA on Tuesday night as the front moves further east and weakens. However, rain and showers associated with a low pressure trough will spread across parts of the Central Wheatbelt, Central West, Gascoyne and Goldfields districts on Tuesday night into Wednesday morning.

The map below shows how much rain one computer model is predicting on Tuesday and Wednesday combined.

Image: Forecast accumulated rain during the 48 hours ending at 8pm AWST on Wednesday, July 10, according to the ECMWF-HRES model.

Be sure to stay up to date with the latest severe weather warnings if you are in southwestern Australia on Tuesday.

- Weatherzone

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