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Polar blast sends shivers across WA
Source Weatherzone Fri 25 Jul 2025
Parts of Western Australia have just shivered through their coldest weather in years as a polar air mass spread across the state. The satellite images below show a huge area of speckled cloud moving over WA on Thursday. This type of cloud indicates the presence of cold air moving towards the north from the Southern Ocean. Image: Visible satellite images captured over Australia on Thursday. Perth only managed to reach 14°C on Thursday under the influence of this wintry air mass, making it the city’s coldest day in three years. Elsewhere across the state, Thursday was the coldest day in: 7 years at Esperance Aero (10.3°C) 5 years at Hillarys Boat Harbour (13.6°C) 4 years at Jacup (9.9°C) and Newdegate Research Station (10.0°C) 3 years at Swanbourne (13.6°C) and Garden Island (13.3°C) 2 years at over 30 weather stations The air mass was so cold that even with sunny breaks, much of the region couldn't reach about 15°C. Thursday’s chilly maximum temperatures were followed by even icier minimums on Friday morning, as clear overnight skies combined with the lingering cold and dry air mass. Image: Modelled minimum temperatures over WA on Friday morning. Perth dropped down to 0.3°C shortly before 7am AWST on Friday, making it the city’s coldest morning in 15 years. This was also only 0.3°C above Perth’s lowest July temperature on record. Friday was also the coldest morning in 8 to 12 years for Pearce (-0.3°C), Jandakot (-1.3°C) and Dwellingup (-0.9°C). Temperatures will remain noticeably cool over the southern half of WA on Friday into the weekend as cold air lingers over the state. - Weatherzone © Weatherzone 2025
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