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Scorching conditions and intense wildfires have swept through the parched landscape of Western Australia. As mercury levels forecast to continue climbing above 40C (104F) over the coming days, a major heatwave warning has been declared across a large portion of the southwestern region.

Broad Heatwave Warnings Throughout Multiple States

These conditions come after recent bushfires in New South Wales, which resulted in the loss of homes and loss of life. Severe heatwave warnings have additionally been activated for later this week in areas within SA and New South Wales, as a system of atmospheric pressure moves to the east, delivering intense heat to a broad swath of the area.

The combination of tinder-dry land and relentless high temperatures creates a volatile scenario for emergency crews.

Global Climatic Events Cause Chaos

Elsewhere, a major city was plunged into blackout last week after strong winds compromised the city’s electrical network, with falling trees bringing down power lines. The stormy weather also led to significant transport delays at a major airport, where hundreds of flights were grounded. Substantial impact on power systems is expected to cause further problems as service providers work urgently to reconnect electricity to over 1 million residents.

Unusual Fog Covers Sunny Area

At the same time, a region famed for its sunny weather and plentiful sunlight has experienced one of its dullest and foggiest weeks on record. A specific type of low cloud, which usually lasts for only a short time, has been unusually extensive and persistent this year, holding the mercury at a key transport hub below 8C for more than a week – the longest such streak in over three decades. The prolonged haze has been fuelled by exceptional autumn precipitation that left soils saturated.

• Key Factor: Exceptional fall rains soaked the soil.
• Result: Prolonged and thick mist development.
• Impact: Temperatures remained below average for an extended period.

Storm Brings Snow to Tourist Islands

And in Spain, a weather system has brought heavy rainfall, powerful gales and even snowfall to a set of islands – conditions many would not connect with this popular holiday destination. While snow is not unknown at elevated areas, the system delivered some of the deepest accumulations since 2016 to a national park, forcing its temporary shutdown.

Alongside the snow, strong winds from the north swept across the island chain, with gusts exceeding 50mph recorded on multiple locations. The effect of the weather event is expected to ease this week with more seasonal conditions taking hold.