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Polar Atmosphere Phenomena
: Focusing on the Polar Vortex

Data

Destruction of the Ozone layer

① Relationship between the Polar Vortex, PSC Volume, and Ozone Concentration

② Period of Strong Polar Vortex: Daily Polar Vortex Area in 2006

③ Comparison of October–November Average Ozone Hole Area
     by Year Since 1979 and Vertical Ozone Distribution

④ Relationship Between Polar Vortex Persistence and Ozone Hole Persistence
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SSW

① Number of occurrences of SSW based on ERA5 Reanalyzing

② Analysis of u850, precipitation, and temperature
     when SSW occurs in winter using SEAS5 re-analysis data
 

Mid-latitude Extreme Weather

① Northern Hemisphere Polar vortex area 2020-2021

② Contours and temperature anomalies in the stratosphere and troposphere
     during 2018 SSW
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