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Extreme heat and raging wildfires have swept through the dry landscape of Western Australia. As temperatures forecast to continue soaring above 40C (104F) over the next few days, a major alert for extreme heat has been issued across much of the southwestern region.

Widespread Heatwave Warnings Across the Region

This situation come after recent bushfires in New South Wales, which resulted in the destruction of properties and fatalities. Severe heat alerts have also been issued for later this week in areas within SA and New South Wales, as a ridge of atmospheric pressure moves eastward, bringing blazing sunshine to much of the region.

The mix of tinder-dry vegetation and relentless high temperatures presents a dangerous situation for firefighters.

Worldwide Climatic Events Cause Chaos

Elsewhere, a major city was left in darkness recently after strong gusts compromised the urban electrical network, with falling trees knocking out power lines. The weather conditions also caused major transport delays at a major airport, where numerous air services were cancelled. Substantial damage to electrical infrastructure is anticipated to create further problems as service providers scramble to reconnect electricity to over 1 million inhabitants.

Unusual Mist Blankets Typically Clear Region

At the same time, a valley famed for its clear skies and plentiful sunshine has endured one of its dullest and most overcast weeks on recorded history. A specific type of fog, which typically lasts for only a short time, has been unusually widespread and long-lasting this year, keeping the mercury at a major airport below 8C for more than a week – the longest such streak in over three decades. The extended haze has been fuelled by unprecedented fall precipitation that resulted in soils waterlogged.

• Key Factor: Record autumn rainfall saturated the soil.
• Outcome: Extended and dense fog development.
• Effect: Temperatures remained below average for an lengthy period.

Severe Weather Delivers Snow to Holiday Destination

And in another country, a powerful storm has brought heavy rain, powerful winds and even snowfall to a set of islands – weather many would not connect with this popular tourist spot. While snow is not unheard of at higher ground, the storm delivered some of the deepest accumulations since 2016 to a protected area, compelling its temporary shutdown.

In addition to the snow, fierce winds from the north swept across the island chain, with wind gusts reaching 50mph recorded on several islands. The influence of the storm is expected to diminish this week with more typical conditions returning.