TY  - CONF
AU  - Woiwode, Wolfgang
AU  - Dörnbrack, Andreas
AU  - Friedl-Vallon, Felix
AU  - Geldenhuys, Markus
AU  - Giez, Andreas
AU  - Gulde, Thomas
AU  - Höpfner, Michael
AU  - Johansson, Sören
AU  - Kaifler, Bernd
AU  - Kleinert, Anne
AU  - Krasauskas, Lukas
AU  - Kretschmer, Erik
AU  - Maucher, Guido
AU  - Neubert, Tom
AU  - Nordmeyer, Hans
AU  - Piesch, Christof
AU  - Preusse, Peter
AU  - Rapp, Markus
AU  - Riese, Martin
AU  - Ungermann, Jörn
TI  - Observations of internal gravity waves in vicinity of jet streams during SouthTRAC flight on 16 September 2019
M1  - FZJ-2021-04512
PY  - 2021
AB  - <p>The combination of the airborne GLORIA (Gimballed Limb Observer for Radiance Imaging of the Atmosphere) and ALIMA (Airborne LIdar for Middle Atmosphere research) instruments allows for probing of temperature perturbations associated with gravity waves within the range from the troposphere up to the mesosphere. Both instruments were part of the scientific payload of the German HALO (High Altitude and LOng Range Research Aircraft) during the SouthTRAC-GW (Southern hemisphere Transport, Dynamics, and Chemistry - Gravity Waves) mission, aiming at probing gravity waves in the hotspot region around South America and the Antarctic peninsula. For the research flight on 16 September 2019, complex temperature perturbations attributed to internal gravity waves were forecasted well above the Atlantic to the south-west of Buenos Aires, Argentina. The forecasted temperature perturbations were located in a region where the polar front jet stream met with the subtropical jet, with the polar night jet above. We present temperature perturbations observed by GLORIA and ALIMA during the discussed flight and compare the data with ECMWF IFS (European Centre for Medium-Range Weather Forecasts &#8211; Integrated Forecasting System) high-resolution deterministic forecasts, aiming at validating the IFS data and identifying sources of the observed wave patterns.</p>
T2  - EGU General Assembly
CY  - 19 Apr 2021 - 30 Apr 2021, virtuell (virtuell)
Y2  - 19 Apr 2021 - 30 Apr 2021
M2  - virtuell, virtuell
LB  - PUB:(DE-HGF)1
DO  - DOI:10.5194/egusphere-egu21-15102
UR  - https://juser.fz-juelich.de/record/902730
ER  -