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UK Weather Review: June 2017

June began largely unsettled with significant rainfall across most parts of the UK. High pressure began to build after the 10th for England and Wales whilst Scotland continued to experience occasional wet weather as weather fronts moved north around the high pressure system. From the middle of the month exceptionally warm air was drawn up from the south with somewhere in the UK exceeding 30°C from 17th to 21st June – the first time this has happened in June since 1995. 34.5°C was recorded at Heathrow Airport on 21st which was the highest June temperature since 1976.

WMO ‘Summer in the City’ video series

WMO and Climate Central have launched a series of “Summer in the City” videos to explain the impact of climate change on temperatures in some of the world’s major cities. The short videos have been released in a year that is already experiencing multiple heatwaves across the globe and daily temperature records, and if greenhouse gas emissions continue to increase, Earth’s average global surface temperature could rise more than 4°C by the end of the 21st century.

Alpine glow

A beautiful illumination effect seen in mountainous regions around sunset, beginning when the sun is around 2º above the horizon. At its most spectacular, snow-covered mountains in the east assume vivid tones of yellow, pink and purple.
 

'Ice lollies' found in UK clouds

Clouds aren’t typically associated with ice lollies, but rather sunshine – until now. Researchers from Manchester University have found ice lolly-shaped icicles in cloud systems over the UK and the North Atlantic.

The ice formations – which are the shape of a stick attached to a large spherical head – were found in large concentrations during a research flight over the northeast Atlantic Ocean in 2016, and previously in southwest UK in 2009.

World Weather Review: June 2017

In Arizona, USA, an ongoing heat wave has seen some of the highest temperatures ever recorded. Temperatures in Death Valley reached 54°C and flights to Phoenix were cancelled when airport temperatures reached 48°C. The heat wave has led to wild fires.

High temperatures across southern Europe have also caused problems – Portugal and Spain in particular have been tackling forest fires to which they were vulnerable after a dry winter and spring.