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

Broad Extreme Heat Warnings Throughout the Region

These conditions follow recent bushfires in another state, which resulted in the destruction of properties and loss of life. Intense heat alerts have additionally been activated for later this week in parts of SA and NSW, as a system of atmospheric pressure moves to the east, delivering intense sunshine to a broad swath of the area.

The combination of extremely dry vegetation and relentless heat creates a dangerous scenario for emergency crews.

Global Climatic Events Cause Disruption

In another part of the world, a metropolis was plunged into darkness last week after strong gusts damaged the urban power grid, with falling trees knocking out power lines. The weather conditions also caused significant transport delays at a major airport, where numerous flights were cancelled. Substantial impact on electrical infrastructure is anticipated to cause ongoing problems as utility companies scramble to restore power to more than 1 million residents.

Unusual Fog Covers Sunny Region

At the same time, a region famed for its clear skies and abundant sunlight has endured one of its grayest and foggiest weeks on recorded history. A particular form of fog, which typically lingers for only a few days, has been remarkably widespread and long-lasting this year, keeping temperatures at a key transport hub below 8C for over a week – the most prolonged period in more than three decades. The extended fog has been fuelled by exceptional autumn rainfall that left soils waterlogged.

• Key Factor: Exceptional fall rains soaked the ground.
• Result: Extended and dense mist formation.
• Effect: Thermal readings stayed below average for an lengthy period.

Severe Weather Brings Wintry Weather to Holiday Destination

And in Spain, a powerful storm has brought heavy rain, strong gales and even snowfall to a group of islands – weather many would not connect with this popular tourist spot. While wintry precipitation is not unknown at elevated areas, the system delivered some of the deepest accumulations in 2016 to a protected area, forcing its closure.

Alongside the snow, fierce northerly winds swept across the island chain, with gusts exceeding 50mph observed on several islands. The influence of the weather event is expected to ease this week with more typical conditions returning.