Birdwatch Note Rating
2023-12-27 19:20:34 UTC - HELPFUL
Rated by Participant: 4B5F3879B580E4D9780369A43ED20E481E61BD8EC7D31EB365F24315D699BF77
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Original Note:
Sudden stratospheric warmings, which is what this animation shows, are a natural phenomenon which have occurred in about 50% of Arctic winters since the 1950s. It's also unclear how the frequency or strength of the stratospheric polar vortex might change due to climate change. https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2022JD036992
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