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Topic: Jet Stream

[Episode #65] – Climate Science Part 9 – Jet Stream

In this ninth part of our mini-series on climate science, we turn to one of the key suspects in extreme weather events we have experienced in recent years—the shifting shape of the North Atlantic jet stream. And the fingerprints of the changing jet stream can be found in tree ring data. The guest in this episode has studied three centuries of European tree rings and found that the shape of the jet stream, along with clear deviations from historical weather, began in the 1960s, pointing to a connection to the changing climate. Other researchers have come to similar conclusions by studying things like the difference between Arctic and mid-latitude temperatures over time. And they conclude that increases in greenhouse gas emissions will make the jet stream increasingly wavy in the future, exacerbating such extreme weather events.

Geek rating: 3

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