The SouthTRAC measurement campaign with the German research aircraft HALO was successfully performed in the region of South America and the Antarctic Peninsula end of 2019. This region is a hotspot of middle atmospheric gravity waves. An overview and first results of the data analysis were presented to the international community by members of our matrix group „Middle atmosphere“ on the EGU General Assembly 2020, which was held as an online event from 4.-8. May 2020, offering access to the whole scientific community. One highlight of SouthTRAC are the observations of the ALIMA (Airborne LIdar for Middle Atmospheric research) instrument that has been developed at the DLR Institute of Atmospheric Physics in the past couple of years, showing the propagation of gravity waves into the stratospheric polar night jet.
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