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Scorching conditions and intense wildfires have devastated the dry landscape of Western Australia. As mercury levels forecast to persist soaring above 40C (104F) over the next few days, a severe heatwave warning has been issued across a large portion of the south-west.

Broad Extreme Heat Alerts Across Multiple States

This situation follow recent fires in New South Wales, which resulted in the loss of homes and fatalities. Severe heatwave warnings have additionally been activated for the coming days in parts of South Australia and NSW, as a system of atmospheric pressure shifts eastward, delivering blazing heat to much of the region.

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

Global Weather Extremes Cause Disruption

Elsewhere, a metropolis was plunged into blackout recently after powerful winds compromised the urban electrical network, with toppled trees knocking out electricity cables. The weather conditions also caused major travel disruption at a key airport, where numerous flights were grounded. Severe impact on power systems is expected to cause further issues as utility companies scramble to restore power to more than 1 million residents.

Unusual Mist Blankets Typically Clear Region

Meanwhile, a region known for its sunny weather and abundant sunlight has experienced one of its grayest and most overcast weeks on record. A particular form of fog, which usually lingers for only a short time, has been remarkably widespread and persistent this year, holding the mercury at a major airport below 8C for more than a week – the longest such streak in more than three decades. The prolonged haze has been fuelled by unprecedented autumn precipitation that resulted in the ground saturated.

• Key Factor: Exceptional fall rains soaked the ground.
• Outcome: Prolonged and thick fog formation.
• Effect: Temperatures stayed below average for an extended time.

Severe Weather Brings Wintry Weather to Tourist Destination

Turning to Spain, a weather system has ushered in heavy rainfall, powerful winds and even snowfall to a group of islands – conditions many would not connect with this popular holiday destination. While snow is not unheard of at higher ground, the system brought some of the heaviest accumulations since 2016 to a national park, forcing its temporary shutdown.

Alongside the snow, fierce northerly winds swept across the island chain, with wind gusts reaching 50mph observed on several islands. The influence of the storm is expected to diminish this week with more typical weather taking hold.