Study: Heatwaves, rains may become more severe as weather stalls

This article discusses how global warming is affecting the number of severe weather events occurring.

Scorching summer heatwaves and downpours are set to become more extreme in the northern hemisphere as global warming makes weather patterns linger longer in the same place, scientists said on Monday. They said there was a risk of “extreme extremes” in North America, Europe and parts of Asia because manmade greenhouse gas emissions seemed to be disrupting high-altitude winds that blow eastwards in vast, looping “planetary waves”.

Writing in the journal Scientific Reports, Schellnhuber and colleagues found that disruptions to planetary waves were a factor underlying 2016 wildfires in Alberta, which caused damage worth C$4.7 billion ($3.6 billion).

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