Example of a split and shifted stratospheric polar vortex @NOAAClimate

Example of a split and shifted stratospheric polar vortex @NOAAClimate

Uploaded February 2025 | Updated September 2026, 1 week ago

Wind vectors and temperature at the 10-hPa pressure level of the stratosphere on January 16, 2024. The polar vortex was split and shifted off the pole. Animation based on a screen recording from the Earth Null School website (earth.nullschool.net/).

Example of a split and shifted stratospheric polar vortex

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Example of a split and shifted stratospheric polar vortex