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Scorching conditions and intense bushfires have devastated the parched landscape of Western Australia. As mercury levels expected to continue soaring above 40C (104F) over the next few days, a severe alert for extreme heat has been declared across a large portion of the southwestern region.

Broad Heatwave Warnings Across Multiple States

These conditions come after recent bushfires in New South Wales, which resulted in the loss of homes and fatalities. Intense heatwave warnings have also been activated for the coming days in areas within South Australia and NSW, as a ridge of atmospheric pressure moves to the east, delivering blazing heat to much of the area.

The combination of tinder-dry land and unbroken high temperatures presents a volatile situation for firefighters.

Global Weather Extremes Trigger Disruption

In another part of the world, a major city was plunged into blackout recently after powerful gusts compromised the city’s power grid, with falling trees knocking out electricity cables. The stormy weather also led to significant transport delays at a major airport, where hundreds of air services were grounded. Severe impact on power systems is anticipated to create ongoing problems as utility companies work urgently to restore power to over 1 million residents.

Atypical Mist Covers Sunny Region

At the same time, a valley known for its sunny weather and plentiful sunlight has endured one of its grayest and foggiest weeks on recorded history. A specific type of low cloud, which usually lingers for only a few days, has been remarkably widespread and long-lasting this year, holding the mercury at a key transport hub under 8C for over a week – the most prolonged period in over three decades. The prolonged haze has been driven by exceptional autumn rainfall that resulted in soils waterlogged.

• Key Factor: Exceptional autumn rainfall soaked the ground.
• Outcome: Prolonged and thick mist formation.
• Effect: Thermal readings stayed unseasonably low for an lengthy period.

Storm Delivers Snow to Holiday Islands

And in another country, a powerful storm has ushered in intense rain, strong winds and even snowfall to a group of islands – weather many would not associate with this favored holiday destination. While wintry precipitation is not unheard of at elevated areas, the system delivered some of the heaviest accumulations since 2016 to a protected area, compelling its temporary shutdown.

In addition to the snow, fierce northerly winds swept across the island chain, with wind gusts reaching 50mph recorded on several islands. The influence of the weather event is forecast to diminish this week with more typical weather returning.