Environment
Stalled jet stream has caused two weeks of tornadoes in the US
A warming Arctic has stalled the jet stream over the Pacific ocean, leading to severe weather across much of the US, including a record-breaking run of tornadoes
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A warming Arctic has stalled the jet stream over the Pacific ocean, leading to severe weather across much of the US, including a record-breaking run of tornadoes
An analysis of Twitter data suggests weird weather is soon viewed as normal, which means we risk ignoring the effects of climate change, says Frances Moore