They said: "It was the second warmest June on record for Europe....Heatwave conditions persisted over western North America, where many temperature records were broken. Arctic Siberia also experienced high temperatures."
Talking about Canada's recent "heat dome" weather event, professor Stott said: "It is telling us that changes in average climate are leading to rapid escalation not just of extreme temperatures, but of extraordinarily extreme temperatures."
anything providing permanent evidence about past events
They said: "It was the second warmest June on record for Europe....Heatwave conditions persisted over western North America, where many temperature records were broken. Arctic Siberia also experienced high temperatures."
the boundary line or area immediately inside the boundary
He added that his primary concern was not the fact that regions are experiencing more heatwaves, but that record high temperatures are increasingly being broken by such large margins.
They said: "It was the second warmest June on record for Europe....Heatwave conditions persisted over western North America, where many temperature records were broken. Arctic Siberia also experienced high temperatures."