Unusually strong nitric oxide descent in the Arctic middle atmosphere in early 2013 as observed by Odin/SMR

• Published in: Atmospheric Chemistry and Physics
• Main Authors: K. Pérot, J. Urban, D. P. Murtagh
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2014
• Subjects: Physics; QC1-999; Chemistry; QD1-999; Arctic; Midwinter
• Online Access: https://doi.org/10.5194/acp-14-8009-2014; https://doaj.org/article/9ceb33238f6246808a3f70c114c4b93c

The middle atmosphere was affected by an exceptionally strong midwinter stratospheric sudden warming (SSW) during the Arctic winter 2012/2013. These unusual meteorological conditions led to a breakdown of the polar vortex, followed by the reformation of a strong upper stratospheric vortex associated...