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Scorching conditions and intense bushfires have devastated the dry landscape of Western Australia. With mercury levels expected to persist climbing above 40C (104F) over the next few days, a severe alert for extreme heat has been issued across a large portion of the south-west.

Broad Heatwave Alerts Throughout Multiple States

These conditions follow recent bushfires in another state, which resulted in the loss of homes and loss of life. Intense heat alerts have additionally been activated for later this week in areas within SA and NSW, as a system of atmospheric pressure shifts to the east, delivering intense heat to much of the region.

The mix of extremely dry land and relentless heat creates a volatile scenario for firefighters.

Global Climatic Events Cause Chaos

In another part of the world, a metropolis was plunged into blackout last week after powerful winds damaged the city’s electrical network, with falling trees bringing down electricity cables. The stormy weather also caused significant travel disruption at a major airport, where numerous air services were cancelled. Substantial damage to power systems is anticipated to cause further issues as utility companies work urgently to restore power to over 1 million residents.

Unusual Fog Covers Sunny Area

At the same time, a valley famed for its clear skies and plentiful sunlight has endured one of its grayest and foggiest periods on recorded history. A particular form of low cloud, which typically lingers 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 more than three decades. The prolonged haze has been fuelled by unprecedented autumn rainfall that left soils saturated.

• Key Factor: Exceptional autumn rainfall soaked the ground.
• Outcome: Extended and dense fog formation.
• Effect: Temperatures stayed below average for an extended period.

Storm Brings Snow to Tourist Destination

And in Spain, a powerful storm has brought heavy rain, powerful winds and even snow to a group of islands – conditions many would not associate with this popular tourist spot. While snow is not unheard of at higher ground, the storm brought some of the deepest snow depths since 2016 to a protected area, forcing its temporary shutdown.

In addition to the snow, strong winds from the north buffeted the island chain, with wind gusts reaching 50mph observed on multiple locations. The effect of the storm is forecast to ease this week with more typical weather returning.