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Scorching conditions and intense wildfires have devastated the dry landscape of Western Australia. As temperatures forecast to continue soaring above 40C (104F) over the coming days, a major heatwave warning has been declared across much of the south-west.

Broad Extreme Heat Warnings Across Multiple States

This situation come after recent bushfires in another state, which resulted in the loss of homes and fatalities. Severe heatwave warnings have additionally been issued for the coming days in parts of SA and New South Wales, as a ridge of high pressure shifts eastward, delivering intense heat to much of the area.

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

Worldwide Weather Extremes Cause Disruption

Elsewhere, a metropolis was plunged into blackout last week after powerful gusts damaged the city’s electrical network, with falling trees knocking out power lines. The stormy weather also caused significant travel disruption at a major airport, where hundreds of air services were cancelled. Substantial impact on power systems is anticipated to create ongoing issues as service providers work urgently to restore power to more than 1 million residents.

Unusual Mist Covers Typically Clear Area

At the same time, a valley known for its clear skies and plentiful sunshine has experienced one of its grayest and foggiest weeks on recorded history. A particular form of fog, which typically lasts for only a few days, has been remarkably extensive and long-lasting this year, holding the mercury at a key transport hub under 8C for over a week – the longest such streak in more than three decades. The prolonged fog has been driven by unprecedented autumn precipitation that left the ground waterlogged.

• Primary Driver: Record fall rains soaked the soil.
• Outcome: Prolonged and thick mist formation.
• Impact: Thermal readings stayed below average for an extended time.

Severe Weather Brings Wintry Weather to Holiday Destination

Turning to another country, a powerful storm has ushered in heavy rainfall, strong gales and even snow to a group of islands – conditions many would not connect with this favored tourist spot. While wintry precipitation is not unknown at higher ground, the storm delivered some of the heaviest snow depths in 2016 to a national park, forcing its temporary shutdown.

Alongside the snowfall, strong northerly winds buffeted the archipelago, with wind gusts reaching 50mph recorded on several islands. The influence of the weather event is expected to diminish this week with more typical weather returning.