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Extreme heat and raging bushfires have swept through the parched landscape of Western Australia. As mercury levels expected to continue soaring above 40C (104F) over the next few days, a major alert for extreme heat has been declared across a large portion of the south-west.

Broad Heatwave Alerts Across Multiple States

This situation follow this month's fires in New South Wales, which resulted in the loss of properties and loss of life. Intense heatwave warnings have also been activated for the coming days in areas within SA and New South Wales, as a ridge of atmospheric pressure shifts to the east, delivering blazing sunshine to a broad swath of the region.

The combination of extremely dry vegetation and relentless heat presents a dangerous scenario for emergency crews.

Worldwide Climatic Events Trigger Chaos

In another part of the world, a metropolis was plunged into blackout recently after strong winds compromised the city’s power grid, with toppled trees bringing down electricity cables. The stormy weather also led to major transport delays at a key airport, where hundreds of flights were grounded. Severe damage to electrical infrastructure is expected to create ongoing issues as service providers scramble to reconnect electricity to over 1 million inhabitants.

Unusual Mist Blankets Sunny Area

At the same time, a valley known for its clear skies and plentiful sunshine has endured one of its grayest and foggiest weeks on recorded history. A specific type of low cloud, which typically lingers for only a short time, has been unusually extensive and long-lasting this year, keeping temperatures at a major airport under 8C for more than a week – the most prolonged period in over three decades. The extended fog has been fuelled by unprecedented fall rainfall that left soils saturated.

• Primary Driver: Exceptional autumn rainfall soaked the soil.
• Outcome: Extended and dense mist formation.
• Impact: Thermal readings remained below average for an lengthy time.

Storm Delivers Snow to Tourist Islands

Turning to Spain, a weather system has ushered in intense rain, powerful winds and even snow to a set of islands – conditions many would not connect with this popular tourist spot. While snow is not unheard of at elevated areas, the system brought some of the deepest accumulations since 2016 to a national park, compelling its temporary shutdown.

Alongside the snowfall, fierce northerly winds buffeted the island chain, with gusts exceeding 50mph observed on multiple locations. The influence of the storm is forecast to ease this week with more typical weather returning.