Outreach
Conferences, Workshops and Seminars
For every contribution, presenter’s name is in bold font.
2025
N. Žagar, R. Pilch Kedzierski, C. Wang, G. De Chiara, S. Healy, M. Rennie and F. Siel-
mann: ”Scale-Dependent and Flow-Dependent Effects of Aeolus HLOS Winds on ECMWF
Analyses: Key Findings from the Aeolus+Processes Project”. Oral presentation (online)
at the NOAA-NASA Workshop on Space-based Measurements of 3-Dimensional Winds,
College Park, MD, USA, Februry 2025.
N. Žagar: ”On the role of the tropics in global predictability”. Invited talk at the Work-
shop on data assimilation: initial conditions and beyond. Part of ECMWF’s 50th anniver-
sary celebrations, Bonn, Germany, April 2025.
G. De Chiara, S. Healy, R. Pilch Kedzierski, M. Rennie and N. Žagar: ”Combined impact
of Aeolus and COSMIC-2 GNSS-RO observations in NWP in the Tropics”. Poster to be
presented at the ESA Living Planet Symposium 2025, Vienna, Austria, June 2025.
N. Žagar, R. Pilch Kedzierski, V. Neduhal, F. Sielmann, G. De Chiara, M. Rennie and S.
Healy: ”The impact of Aeolus winds on tropical wind shear and wave-driven circulations:
key findings from Aeolus+Processes project”. Talk to be given at the ESA Living Planet
Symposium 2025, Vienna, Austria, June 2025.
C. Wang, N. Žagar, G. De Chiara, M. Rennie and S. Healy: ”Scale-Dependent and Flow-
Dependent Effects of Aeolus Winds in the ECMWF 4D-Var Data Assimilation System”.
Poster to be presented at the ESA Living Planet Symposium 2025, Vienna, Austria, June
2025.
2024
G. De Chiara, R. Pilch Kedzierski, N. Žagar, M. Rennie and S. Healy: ”Combined impact
of Aeolus and COSMIC-2 GNSS-RO observations in NWP: comparing the relative value
of wind and mass information in the tropics.” Keynote Talk at the EUMETSAT Meteoro-
logical Satellite Conference 2024, W¨urzburg, Germany, September 2024.
N. Žagar, N., Neduhal, V., Holube, K., Merkes, O., Lunkeit, F., Sielmann, F., Vasylkevych,
S. and R. Pilch Kedzierski: “Wave-space diagnostics for numerical weather prediction
systems”. Poster at the ECMWF Workshop on Diagnostics for Global Weather Prediction,
Reading, UK, September 2024.
R. Pilch Kedzierski, Žagar, N., De Chiara, G., Rennie, M. and S. Healy: “Process-
based diagnostics of the impact of new observing systems: a case study of the Aeolus wind
satellite”. Presentation at the ECMWF Workshop on Diagnostics for Global Weather Pre-
diction, Reading, UK, September 2024.
R. Pilch Kedzierski, Žagar, N., De Chiara, G., Rennie, M. and S. Healy: “Effects of the
assimilation of Aeolus winds on equatorial waves and the QBO in the ECMWF system”.
Oral presentation at ATMOS 2024 ESA conference, Bologna, Italy, July 2024.
N. Žagar, Pilch Kedzierski, R., De Chiara, G., Rennie, M. and S. Healy: “Scale-dependent
effects of Aeolus winds in the ECMWF system”. Oral presentation at ATMOS 2024 ESA
conference, Bologna, Italy, July 2024.
R. Pilch Kedzierski, Žagar, N., Neduhal, V., De Chiara, G., Rennie, M. and S. Healy:
“Aeolus assimilation effects on tropical UTLS wind shear and equatorial waves in the
ECMWF system”. Invited seminar at the Institute of Atmospheric Physics, German
Aerospace Center (DLR), Oberpfaffenhofen, Germany, October 2024.
2023
N. Žagar, R. Pilch Kedzierski and M. Rennie: ”Improvement Quantification of Tropical
Dynamical Processes by the Aeolus Wind Profiles”. Oral presentation at the Aeolus Science
Conference 2023, Rhodes Island, Greece, May 2023.
R. Pilch Kedzierski, Žagar, N. and M Rennie: “Improvements in equatorial wave analyses and forecasts in the tropical UTLS in the ECMWF system by the Aeolus wind profiles”. Oral Presentation at the IUGG General Assembly, Berlin, Germany, July 2023.