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Scorching conditions and raging bushfires have swept through the parched landscape of Western Australia. With mercury levels forecast to continue climbing above 40C (104F) over the coming days, a severe alert for extreme heat has been declared across a large portion of the south-west.

Widespread Extreme Heat Warnings Throughout the Region

These conditions follow this month's bushfires in another state, which resulted in the loss of homes and fatalities. Severe heat alerts have additionally been activated for the coming days in parts of SA and New South Wales, as a ridge of atmospheric pressure shifts eastward, bringing blazing sunshine to a broad swath of the area.

The mix of tinder-dry vegetation and relentless heat creates a volatile scenario for emergency crews.

Worldwide Climatic Events Cause Chaos

Elsewhere, a major city was plunged into blackout last week after powerful gusts damaged the urban electrical network, with toppled trees knocking out power lines. The stormy weather also led to major transport delays at a key airport, where hundreds of flights were grounded. Substantial damage to power systems is expected to cause ongoing problems as service providers scramble to restore power to over 1 million inhabitants.

Atypical Mist Covers Sunny Region

Meanwhile, a valley known for its sunny weather and abundant sunlight has endured one of its dullest and foggiest weeks on recorded history. A particular form of fog, which typically lasts for only a few days, has been unusually widespread and persistent this year, keeping temperatures at a major airport below 8C for over a week – the longest such streak in over three decades. The extended fog has been driven by unprecedented autumn precipitation that left soils waterlogged.

• Key Factor: Record fall rains soaked the soil.
• Result: Prolonged and dense mist development.
• Impact: Thermal readings remained below average for an lengthy time.

Storm Brings Snow to Tourist Islands

Turning to another country, a weather system has brought intense rainfall, powerful gales and even snowfall to a set of islands – weather 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 accumulations since 2016 to a national park, compelling its temporary shutdown.

Alongside the snow, strong winds from the north buffeted the island chain, with wind gusts reaching 50mph recorded on multiple locations. The effect of the storm is forecast to diminish this week with more seasonal conditions taking hold.