The temperature is rising and the word ‘heatwave’ is being used by all of us, including weather forecasters.
But what officially constitutes a heatwave in the UK is different in different places - and this quirk of the Met Office’s classifications and rules means that this weekend and next week, it could be a heatwave in Long Ashton, but not across the fields in Ashton Vale.
The anomaly comes from the Met Office’s historic decision to classify a heatwave using different temperatures in different places.
