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File: polar-vortex-gph-temperature-anomalies-after-ssw-20240229.png

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Alternate Text: Maps of surface temperature and atmospheric thickness anomalies after major stratospheric warmings
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Maps of surface temperature and atmospheric thickness anomalies after major stratospheric warmings

Image caption

Average changes in (left) surface temperature and (right) atmospheric thickness (at the 500-hectoPascal pressure level) for the 30 days after the 42 observed major sudden stratospheric warmings from 1958-2023. NOAA Climate.gov image based on ERA5 reanalysis data provided by Amy Butler.