Annual Seminar 2026
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| Monday, 14 September 2026 | ||
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| Arrival and opening | ||
| 13:00 to 13:30 | Registration and coffee | |
| 13:30 to 13:45 | Welcome and opening |
Speaker: Director of Science and Innovation (ECMWF)
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| 13:45 to 14:00 | Practicalities |
Speaker: Tony McNally (ECMWF)
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| Session 1 | ||
| 14:00 to 14:45 | An overview of atmospheric Data Assimilation |
Speaker: Jean-François Caron (Environment and Climate Change Canada)
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| 14:40 to 15:30 | Developments in ocean data assimilation and coupling to the atmosphere |
Speaker: Philip Browne (ECMWF)
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| 15:30 to 16:00 | Coffee break | |
| 16:00 to 16:45 | Overview of land data assimilation and land-atmosphere coupling options for NWP |
Speaker: Clara Draper (CIRES / NOAA ESRL PSD)
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| 16:45 to 17:30 | Coupling methodology approaches and the example of application to land / atmosphere interactions |
Speaker: Christoph Herbert
Speaker: Sebastien Massart (ECMWF)
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| Posters and drinks reception | ||
| 17:30 to 17:55 | Express poster presentations | |
| 18:00 to 19:30 | Poster session and drinks reception | |
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| Tuesday, 15 September 2026 | ||
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| Session 2 | ||
| 09:00 to 09:45 | Adapting Data Assimilation methods for Atmospheric Composition |
Speaker: Antje Inness (ECMWF)
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| 09:45 to 10:30 | Adapting Data Assimilation methods to reanalysis |
Speaker: Žiga Zaplotnik (European Centre for Medium-Range Weather Forecasts)
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| 10:30 to 11:00 | Coffee break | |
| 11:00 to 11:45 | Uncertainty characterisation in Data Assimilation |
Speaker: Loïk Berre (Météo-France)
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| 11:45 to 12:30 | Approaches for diagnosing random and systematic errors in observations |
Speaker: Sarah Dance (University of Reading)
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| 12:30 to 13:30 | Lunch break | |
| 13:30 to 14:15 | Accounting for systematic model error in Data Assimilation |
Speaker: Patrick Laloyaux (ECMWF)
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| 14:15 to 15:00 | The particular challenges of Data Assimilation for Tropical Cyclones |
Speaker: Giovanna De Chiara (ECMWF)
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| 15:00 to 15:30 | Coffee break | |
| 15:30 to 16:15 | Operational Data Assimilation systems for time-critical applications |
Speaker: Emiliano Orlandi (ECMWF)
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| 16:15 to 17:00 | Audience discussion | |
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| Wednesday, 16 September 2026 | ||
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| Session 1 | ||
| 09:00 to 09:45 | MTG and EPS-SG, Europe’s most advanced operational satellites for Numerical Weather Prediction |
Speaker: Dorothee Coppens (EUMETSAT)
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| 09:45 to 10:30 | DANTEX: Advancing the exploitation of Europe's future satellite observations in coupled data assimilation |
Speaker: Philippe Goryl (ESA)
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| 10:30 to 11:00 | Coffee break | |
| 11:00 to 11:45 | The forensics of CAL/VAL of new satellites observations |
Speaker: Chris Burrows (ECMWF)
Speaker: David Duncan (ECMWF)
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| 11:45 to 12:30 | The assimilation of current and future in-situ observations |
Speaker: Magnus Lindskog (ECMWF)
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| 12:30 to 13:30 | Lunch break | |
| 13:30 to 14:15 | Recovering historical observations for climate reanalysis |
Speaker: Bill Bell (ECMWF)
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| 14:15 to 15:00 | When observations confront highly nonlinear physical processes |
Speaker: Marta Janiskova (Former ECMWF)
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| 15:00 to 15:30 | Coffee break | |
| 15:30 to 16:15 | Assessing the value and impact of the current observing system |
Speaker: Chiara Piccolo (UK Met Office)
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| 16:15 to 17:00 | Predicting the impact of future observing systems: guiding satellite deployment and SOFF |
Speaker: Katie Lean (ECMWF)
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| 17:00 to 17:30 | Audience discussion | |
| Seminar dinner | ||
| 17:30 to 18:00 | Pre-dinner drinks | |
| 18:00 to 20:00 | Dinner | |
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| Thursday, 17 September 2026 | ||
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| Session 4 | ||
| 09:00 to 09:45 | Emulating background errors for Data Assimilation with ML |
Speaker: Wei Pan (ECMWF)
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| 09:45 to 10:30 | Accelerating Data Assimilation systems with ML |
Speaker: Selime Gurol (CERFACS)
Speaker: Vincent Chabot (Météo France)
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| 10:30 to 11:00 | Coffee break | |
| 11:00 to 11:45 | Modelling interface observations with ML |
Speaker: Iris de Gélis (Estellus-MW and Observatoire de Paris)
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| 11:45 to 12:30 | Hybrid ML coupled Data Assimilation of interface observations |
Speaker: Alan Geer (ECMWF)
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| 12:30 to 13:30 | Lunch break | |
| 13:30 to 14:15 | Latent space Data Assimilation |
Speaker: Boštjan Melinc (University of Ljubljana)
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| 14:15 to 15:00 | Using Data Assimilation and ML to correct forecast systems with observations |
Speaker: Alban Farchi (ECMWF)
Speaker: Marcin Chrust (ECMWF)
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| 15:00 to 15:30 | Coffee break | |
| 15:30 to 16:15 | Emulating the full Data Assimilation process with ML |
Speaker: Jan Keller (Deutscher Wetterdienst)
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| 16:15 to 17:00 | End-to-end real-time weather forecasting with ML |
Speaker: TBC
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| Friday, 18 September 2026 | ||
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| Session 5 | ||
| 09:00 to 09:45 | The prospects for future ML climate reanalysis directly from observations |
Speaker: Peter Lean (ECMWF)
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| 09:45 to 10:30 | The future of Data Assimilation in the AI-revolution |
Speaker: Steve Penny (Sofar Ocean)
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| 10:30 to 11:00 | Coffee break | |
| 11:00 to 11:45 | Final audience discussion | |
| 11:45 to 12:30 | Discussion and conclusion | |