Articles | Volume 21, issue 7 
            
                
                    
            
            
            https://doi.org/10.5194/acp-21-5477-2021
                    © Author(s) 2021. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-21-5477-2021
                    © Author(s) 2021. This work is distributed under 
the Creative Commons Attribution 4.0 License.
                the Creative Commons Attribution 4.0 License.
Lagrangian matches between observations from aircraft, lidar and radar in a warm conveyor belt crossing orography
Maxi Boettcher
CORRESPONDING AUTHOR
                                            
                                    
                                            Institute for Atmospheric and Climate Science, ETH Zurich, Zürich, Switzerland
                                        
                                    Andreas Schäfler
                                            Institute of Atmospheric Physics, German Aerospace Center, Oberpfaffenhofen, Germany
                                        
                                    Michael Sprenger
                                            Institute for Atmospheric and Climate Science, ETH Zurich, Zürich, Switzerland
                                        
                                    Harald Sodemann
                                            Geophysical Institute, University of Bergen, and Bjerknes Centre for Climate Research, Bergen, Norway
                                        
                                    Stefan Kaufmann
                                            Institute of Atmospheric Physics, German Aerospace Center, Oberpfaffenhofen, Germany
                                        
                                    Christiane Voigt
                                            Institute of Atmospheric Physics, German Aerospace Center, Oberpfaffenhofen, Germany
                                        
                                    
                                            Institute for Atmospheric Physics, Johannes Gutenberg University Mainz, Mainz, Germany
                                        
                                    Hans Schlager
                                            Institute of Atmospheric Physics, German Aerospace Center, Oberpfaffenhofen, Germany
                                        
                                    Donato Summa
                                            Consiglio Nazionale delle Ricerche, Istituto di Metodologie per l'Analisi Ambientale (CNR-IMAA), Tito, Italy
                                        
                                    
                                            Scuola di Ingegneria, Universita degli Studi della Basilicata, Potenza, Italy
                                        
                                    Paolo Di Girolamo
                                            Scuola di Ingegneria, Universita degli Studi della Basilicata, Potenza, Italy
                                        
                                    Daniele Nerini
                                            Federal Office of Meteorology and Climatology MeteoSwiss, Locarno-Monti, Switzerland
                                        
                                    Urs Germann
                                            Federal Office of Meteorology and Climatology MeteoSwiss, Locarno-Monti, Switzerland
                                        
                                    Heini Wernli
                                            Institute for Atmospheric and Climate Science, ETH Zurich, Zürich, Switzerland
                                        
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                            Cited
8 citations as recorded by crossref.
- Sensitivities of warm conveyor belt ascent, associated precipitation characteristics and large‐scale flow pattern: Insights from a perturbed parameter ensemble A. Oertel et al. 10.1002/qj.4986
 - Thermodynamic and cloud evolution in a cold-air outbreak during HALO-(AC)3: quasi-Lagrangian observations compared to the ERA5 and CARRA reanalyses B. Kirbus et al. 10.5194/acp-24-3883-2024
 - Interaction of microphysics and dynamics in a warm conveyor belt simulated with the ICOsahedral Nonhydrostatic (ICON) model A. Oertel et al. 10.5194/acp-23-8553-2023
 - Overview: quasi-Lagrangian observations of Arctic air mass transformations – introduction and initial results of the HALO–(𝒜 𝒞)3 aircraft campaign M. Wendisch et al. 10.5194/acp-24-8865-2024
 - Atmospheric Rivers and Associated Precipitation over France and Western Europe: 1980–2020 Climatology and Case Study B. Doiteau et al. 10.3390/atmos12081075
 - Weather Radar in Complex Orography U. Germann et al. 10.3390/rs14030503
 - The importance of diabatic processes for the dynamics of synoptic-scale extratropical weather systems – a review H. Wernli & S. Gray 10.5194/wcd-5-1299-2024
 - Observations and simulation of intense convection embedded in a warm conveyor belt – how ambient vertical wind shear determines the dynamical impact A. Oertel et al. 10.5194/wcd-2-89-2021
 
7 citations as recorded by crossref.
- Sensitivities of warm conveyor belt ascent, associated precipitation characteristics and large‐scale flow pattern: Insights from a perturbed parameter ensemble A. Oertel et al. 10.1002/qj.4986
 - Thermodynamic and cloud evolution in a cold-air outbreak during HALO-(AC)3: quasi-Lagrangian observations compared to the ERA5 and CARRA reanalyses B. Kirbus et al. 10.5194/acp-24-3883-2024
 - Interaction of microphysics and dynamics in a warm conveyor belt simulated with the ICOsahedral Nonhydrostatic (ICON) model A. Oertel et al. 10.5194/acp-23-8553-2023
 - Overview: quasi-Lagrangian observations of Arctic air mass transformations – introduction and initial results of the HALO–(𝒜 𝒞)3 aircraft campaign M. Wendisch et al. 10.5194/acp-24-8865-2024
 - Atmospheric Rivers and Associated Precipitation over France and Western Europe: 1980–2020 Climatology and Case Study B. Doiteau et al. 10.3390/atmos12081075
 - Weather Radar in Complex Orography U. Germann et al. 10.3390/rs14030503
 - The importance of diabatic processes for the dynamics of synoptic-scale extratropical weather systems – a review H. Wernli & S. Gray 10.5194/wcd-5-1299-2024
 
Latest update: 03 Nov 2025
Short summary
                    Warm conveyor belts (WCBs) are important airstreams in extratropical cyclones, often leading to the formation of intense precipitation. We present a case study that involves aircraft, lidar and radar observations of water and clouds in a WCB ascending from western Europe across the Alps towards the Baltic Sea during the field campaigns HyMeX and T-NAWDEX-Falcon in October 2012. A probabilistic trajectory measure and an airborne tracer experiment were used to confirm the long pathway of the WCB.
                    Warm conveyor belts (WCBs) are important airstreams in extratropical cyclones, often leading to...
                    
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