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Manwon Lender

How a Sudden Stratospheric Warming Event Over Antarctica Affected the Northern Hemisphere

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Manwon Lender

In sudden stratospheric warmings (SSWs) — large meteorological disturbances related to the polar vortex in which the polar stratosphere temperature increases as it is affected by the winds around the pole — the polar vortex is weakened. SSWs also have profound atmospheric effects at great distances, causing changes in the hemisphere opposite from the location of the original SSW — changes that extend all the way to the upper thermosphere and ionosphere.

A study published on July 16, 2021, in Geophysical Research Letters by MIT Haystack Observatory’s Larisa Goncharenko and colleagues examines the effects of a recent major Antarctic SSW on the Northern Hemisphere by studying changes observed in the upper atmosphere over North America and Europe.

 

https://scitechdaily.com/how-a-sudden-stratospheric-warming-event-over-antarctica-affected-the-northern-hemisphere/

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