A record-breaking June heatwave has triggered Red Heat warnings and school closures across Britain and much of Europe [1, 2].
The severity of the weather event poses significant risks to public health and safety, forcing governments to implement emergency measures to protect vulnerable populations.
In the United Kingdom, officials issued a Red Heat warning [1]. This marks only the second time ever that such a warning has been issued in the UK [1]. Similar Red Heat warnings were also issued in France, Spain, Italy, Croatia, and Poland [1].
The extreme weather is driven by a heat dome, created by warm air flowing northward from North Africa [1, 3]. This meteorological phenomenon locks in high temperatures, leading to triple-digit readings — temperatures above 100 °F (38 °C) — in various parts of the continent [3].
The human impact of the heatwave has been severe. Dozens of drownings have been reported as people sought relief from the heat in bodies of water [2]. Additionally, schools have been shut to ensure student safety during the peak of the temperature surge [1].
Weather agencies said that national temperature records are expected to be obliterated this week [2]. Warnings remain in place until midnight Thursday [1]. The widespread nature of the event has affected residents from the UK through to Poland, creating a coordinated public health crisis across several borders [1, 3].
“Red Heat warning in the UK issued for only the second time ever”
The emergence of a heat dome over Europe signifies a dangerous intersection of atmospheric blocking and northward heat transport from Africa. Because these events lock high-pressure systems in place, they prevent the arrival of cooler air, increasing the likelihood of record-breaking temperatures and higher mortality rates from heat-related stress and accidents.
