June heatwave was the ‘most extreme’ on record for North America

Smoke rises over the mountains in Lytton, as firefighters battle the fires in British Columbia, July 6, 2021. | Photo by Mert Alper Dervis/Anadolu Agency via Getty Images

The devastating heatwave that struck the Northwest US and southwest Canada in June was “the most extreme summer heatwave” ever recorded in North America, according to a new analysis from nonprofit research group Berkeley Earth. That’s based on the magnitude of the heatwave, or how much warmer it was than normal. Record temperatures in the region reached roughly 20 degrees Celsius (or 36 °F) hotter than average in June.

Canada recorded its hottest temperature ever on June 29th when the village of Lytton in British Columbia reached an astonishing 49.6 degrees Celsius (121 degrees Fahrenheit). Typical temperatures there in June are closer to 20 to 30 degrees Celsius (68 to 86 degrees Fahrenheit).

The consequences of that heat are…

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