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The configuration of the polar vortex may have played a role in unleashing bitter cold followed by record warmth in North America.
NASA Earth Observatory video and images by Joshua Stevens, using GEOS-5 data from the Global Modeling and Assimilation Office at NASA GSFC. Story by Adam Voiland.
Published January 4, 2023
Data acquired December 1, 2022 - January 2, 2023