Monday, 20 August 2018

Summer weather is getting 'stuck' due to Arctic warming

Source: The Guardian, 20th August 2018, Jonathan Watts

Jonathan Watts reported, "(...) Summer weather patterns are increasingly likely to stall in Europe, North America and parts of Asia, according to a new climate study that explains why Arctic warming is making heatwaves elsewhere more persistent and dangerous. Rising temperatures in the Arctic have slowed the circulation of the jet stream and other giant planetary winds, says the paper, which means high and low pressure fronts are getting stuck and weather is less able to moderate itself. The authors of the research, published in Nature Communications on Monday, warn this could lead to “very extreme extremes”, which occur when abnormally high temperatures linger for an unusually prolonged period, turning sunny days into heat waves, tinder-dry conditions into wildfires, and rains into floods. (...)"

Read more at: https://www.theguardian.com/environment/2018/aug/20/summer-weather-is-getting-stuck-due-to-arctic-warming