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

Widespread Heatwave Alerts Throughout the Region

This situation follow recent bushfires in New South Wales, which caused the destruction of properties and fatalities. Intense heatwave warnings have additionally been issued for the coming days in areas within SA and NSW, as a system of atmospheric pressure shifts to the east, delivering intense sunshine to much of the region.

The combination of extremely dry vegetation and unbroken high temperatures creates a dangerous situation for firefighters.

Worldwide Climatic Events Trigger Disruption

In another part of the world, a metropolis was left in darkness last week after strong winds compromised the urban electrical network, with toppled trees bringing down electricity cables. The weather conditions also led to significant travel disruption at a key airport, where numerous air services were grounded. Severe damage to power systems is expected to create further issues as service providers scramble to reconnect electricity to over 1 million inhabitants.

Unusual Mist Blankets Sunny Region

At the same time, a valley known for its sunny weather and abundant sunlight has endured one of its grayest and foggiest periods on recorded history. A particular form of low cloud, which typically lingers for only a few days, has been unusually widespread and long-lasting this year, keeping temperatures at a major airport below 8C for over a week – the longest such streak in more than three decades. The prolonged fog has been driven by exceptional autumn precipitation that resulted in the ground waterlogged.

• Key Factor: Record fall rains soaked the ground.
• Outcome: Prolonged and thick fog formation.
• Impact: Thermal readings remained unseasonably low for an lengthy time.

Storm Brings Wintry Weather to Holiday Destination

Turning to Spain, a powerful storm has brought intense rainfall, strong gales and even snowfall to a group of islands – weather many would not connect with this favored holiday destination. While wintry precipitation is not unheard of at higher ground, the system delivered some of the deepest accumulations since 2016 to a national park, compelling its closure.

In addition to the snow, strong northerly winds swept across the island chain, with wind gusts exceeding 50mph observed on several locations. The effect of the storm is forecast to ease this week with more seasonal conditions taking hold.