When the jet stream swings south, it can push cold Arctic air into North America, Europe and Asia. In its normal state it rotates very fast, keeping blisteringly cold air locked in the Arctic region. But it can get disrupted and knocked off course, becoming stretched and distorted, spilling out cold air and influencing the path of the jet stream. But the idea that climate change will mean fewer swings between extreme temperatures is “an oversimplification,” he said. Weather | With climate change, king tides could be the new normalWith climate change, king tides could be the new normal Weather | Will avalanches in California worsen with climate change?

Source: CNN January 15, 2024 13:32 UTC