SA001-0017
Response of planetary waves and tides to the 2019 Southern Hemisphere SSW and burst of a strong Q2DW in January 2020 observed by meteor radars at Cerro Pachón, Chile and Adelaide, Australia

Monday, 7 December 2020
Poster
Zishun Qiao, Embry-Riddle Aeronautical University, Daytona Beach, FL, United States, Alan Liu, Embry-Riddle Aeronautical University, Department of Physical Sciences, Daytona Beach, FL, United States, Iain M Reid, The University of Adelaide, School of Physical Sciences, Adelaide, SA, Australia, Javier Fuentes, Gemini Observatory, La Serena, Chile and Chris Adami, ATRAD Pty Ltd, Thebarton, Australia
Abstract:
A new multi-static meteor radar (CONDOR) has recently been installed in northern Chile. This CONDOR meteor radar (30.3°S, 70.7°W) and the Adelaide meteor radar (35°S, 138°E) have provided longitudinally spaced observations of mean winds, tides and planetary waves during the minor sudden stratospheric warming in the Southern Hemisphere in September 2019. Enhancements were observed in the quasi-6-day wave and diurnal tide amplitudes for meridional and zonal components. Characteristics of migrating and non-migrating tides during SSW will also be presented. We also present a case study of a dominant quasi-2-day wave and its interaction with the diurnal and semi‐diurnal tides in summer 2020.
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