<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Polar vortex | 高麗正史 (Masashi Kohma)</title><link>https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/ja/tags/polar-vortex/</link><atom:link href="https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/ja/tags/polar-vortex/index.xml" rel="self" type="application/rss+xml"/><description>Polar vortex</description><generator>Source Themes Academic (https://sourcethemes.com/academic/)</generator><language>ja-jp</language><copyright>Copyrights 2019-2026 Masashi Kohma</copyright><lastBuildDate>Sat, 01 Nov 2025 00:22:48 +0900</lastBuildDate><image><url>https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/images/icon_hu954e6bf06939f116dc034ede6fff901a_39134_512x512_fill_lanczos_center_3.png</url><title>Polar vortex</title><link>https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/ja/tags/polar-vortex/</link></image><item><title>A Climatology of Filaments Emanating from the Stratospheric Polar Vortex in the Southern Hemisphere</title><link>https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/ja/publication/shibata-etal2025/</link><pubDate>Sat, 01 Nov 2025 00:22:48 +0900</pubDate><guid>https://www-aos.eps.s.u-tokyo.ac.jp/~kohmasa/ja/publication/shibata-etal2025/</guid><description/></item></channel></rss>