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Scorching conditions and intense wildfires have swept through the parched landscape of Western Australia. With mercury levels expected to continue climbing above 40C (104F) over the next few days, a severe alert for extreme heat has been issued across much of the southwestern region.

Broad Extreme Heat Alerts Throughout the Region

These conditions follow this month's bushfires in another state, which caused the loss of properties and fatalities. Intense heatwave warnings have additionally been issued for the coming days in parts of SA and NSW, as a system of atmospheric pressure shifts to the east, delivering blazing heat to a broad swath of the area.

The mix of extremely dry vegetation and unbroken heat creates a volatile scenario for emergency crews.

Global Weather Extremes Trigger Chaos

In another part of the world, a major city was plunged into darkness last week after powerful winds damaged the urban electrical network, with falling trees knocking out power lines. The stormy weather also led to significant transport delays at a key airport, where hundreds of flights were grounded. Substantial impact on electrical infrastructure is anticipated to cause ongoing issues as utility companies work urgently to restore power to over 1 million residents.

Unusual Mist Covers Typically Clear Area

Meanwhile, a region famed for its clear skies and abundant sunlight has experienced one of its grayest and most overcast periods on record. A specific type of low cloud, which typically lingers for only a short time, has been remarkably widespread and long-lasting this year, holding temperatures at a major airport under 8C for over a week – the longest such streak in over three decades. The prolonged fog has been driven by exceptional autumn rainfall that resulted in soils saturated.

• Primary Driver: Record fall rains soaked the ground.
• Outcome: Prolonged and dense fog development.
• Impact: Thermal readings remained unseasonably low for an lengthy period.

Storm Brings Snow to Holiday Destination

And in Spain, a powerful storm has ushered in heavy rainfall, powerful winds and even snow to a set of islands – weather many would not connect with this favored holiday destination. While wintry precipitation is not unheard of at higher ground, the system brought some of the heaviest snow depths since 2016 to a national park, compelling its temporary shutdown.

Alongside the snowfall, strong northerly winds buffeted the archipelago, with gusts exceeding 50mph recorded on several locations. The influence of the weather event is expected to ease this week with more seasonal conditions returning.