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Scorching conditions and intense wildfires have swept through the dry landscape of Western Australia. With temperatures forecast to persist climbing above 40C (104F) over the next few days, a major alert for extreme heat has been declared across much of the south-west.

Broad Heatwave Alerts Across Multiple States

This situation come after recent bushfires in New South Wales, which resulted in the loss of homes and loss of life. Intense heatwave warnings have additionally been issued for the coming days in parts of SA and NSW, as a ridge of high pressure shifts eastward, delivering intense heat to a broad swath of the region.

The mix of tinder-dry vegetation and unbroken high temperatures creates a volatile situation for emergency crews.

Global Climatic Events Trigger Disruption

Elsewhere, a metropolis was left in darkness last week after strong gusts compromised the city’s electrical network, with falling trees bringing down electricity cables. The stormy weather also led to significant transport delays at a major airport, where hundreds of air services were cancelled. Severe impact on power systems is anticipated to cause ongoing problems as service providers work urgently to restore power to more than 1 million residents.

Unusual Fog Blankets Typically Clear Area

Meanwhile, a region famed for its sunny weather and abundant sunlight has endured one of its dullest and foggiest weeks on record. A particular form of fog, which typically lasts for only a short time, has been unusually extensive and long-lasting this year, holding the mercury at a key transport hub below 8C for over a week – the longest such streak in over three decades. The extended haze has been fuelled by unprecedented autumn precipitation that left soils saturated.

• Primary Driver: Exceptional fall rains saturated the soil.
• Outcome: Extended and dense mist development.
• Effect: Thermal readings remained unseasonably low for an lengthy period.

Severe Weather Delivers Wintry Weather to Tourist Destination

And in Spain, a powerful storm has brought intense rain, strong winds and even snow to a group of islands – weather many would not associate with this popular holiday destination. While snow is not unknown at elevated areas, the storm brought some of the deepest accumulations since 2016 to a national park, forcing its temporary shutdown.

In addition to the snow, strong northerly winds swept across the archipelago, with wind gusts reaching 50mph recorded on multiple islands. The effect of the storm is expected to diminish this week with more typical weather returning.