Met Office to increase heatwave thresholds across parts of England

Thresholds being raised in eight counties as average temperatures rise due to global heating

The official definition of a heatwave is to be changed in a band of English counties from Surrey to east Yorkshire, in response to the warming climate.

The Met Office said it was increasing heatwave temperature thresholds in eight counties before the summer. The change reflected an undeniable warming trend" for the UK that had made the original thresholds obsolete.