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This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

You are browsing the archive for polar vortex Archives - GeoSpace.

17 September 2019

Scientists identify weather event behind extreme cold in Europe and Asia during February 2018

In the new study, researchers tested their hypothesis that a chain of events in the troposphere caused the sudden stratospheric warming and subsequent splitting of the polar vortex.

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11 April 2019

Extended winter polar vortices chill Saturn’s strangely familiar moon, Titan

Saturn’s hazy moon Titan has a long-lived Earth-like winter polar vortex supercharged by the moon’s peculiar chemistry. A new study finds Titan’s northern hemisphere polar vortex sticks around past the moon’s summer solstice, into what would be late June on Earth, lasting three-quarters of a Titan year, or about 22 Earth years.

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