What is a heat dome, causing excessively high temperatures in western Europe?

France and the United Kingdom are currently being affected by a heat dome, driving up temperatures in western Europe. Although the phenomenon is common, it is now being exacerbated by climate change. It’s the same mechanism that has been affecting India for weeks, with temperatures exceeding 45°C in some places, and has led to wildfires in Canada in 2021.
Source
France 24
Opens original article in a new tab

