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Monday, 7 April 2025
10:30 to 11:45 Arrival and registration
Gustav-Stresemann-Institut  (GSI)
Europäische Tagungs- und Bildungsstätte Bonn
Langer Grabenweg 68
53175 Bonn-Bad Godesberg
Plenary: Setting the scene

Chair: Magdalena Alonso-Balmaseda, co-chair: Frederic Vitart

11:45 to 12:00 Practicalities
Speaker: Magdalena Alonso Balmaseda (ECMWF)
12:00 to 12:10 Opening
Speaker: Florence Rabier (ECMWF)
12:10 to 12:40 On the need to constrain Earth System models using observations
Speaker: Detlef Stammer (University of Hamburg)
12:40 to 13:00 ECMWF strategy and research directions
Speaker: Andy Brown (ECMWF)
13:00 to 13:30 Forecasting tools for enhanced Decision making in Eastern Africa
Speaker: Masilin Gudoshava (IGAD Climate Prediction and Applications Centre)
13:30 to 14:00 Coffee break
Plenary continued
Chair: Antje Weisheimer, co-chair: Linus Magnusson
14:00 to 14:30 Advancing Weather and Climate Forecasting for Our Changing World
Speaker: Gilbert Brunet (Former employee of ECCC, BoM and Met Office)
14:30 to 15:00 Sub-seasonal Prediction: Advances, Challenges and Opportunities
Speaker: Frederic Vitart (ECMWF)
15:00 to 15:30 ENSO as a meeting point between weather and climate forecasting
Speaker: Magdalena Alonso Balmaseda (ECMWF)
15:30 to 16:00 Machine learning as game changer in forecasting: an overview of approaches and applications
Speaker: Matthew Chantry (ECMWF)
16:00 to 18:30 Drinks reception
Federal Ministry for Digital and Transport (BMDV)
Robert-Schuman-Platz 1
53175 Bonn

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Tuesday, 8 April 2025
07:30 to 08:00 Arrival and registration
Gustav-Stresemann-Institut  (GSI)
Europäische Tagungs- und Bildungsstätte Bonn
Langer Grabenweg 68
53175 Bonn-Bad Godesberg
Theme 1: Evolving models and data assimilation capabilities
Chair: Nils Wedi, co-chair: Tobias Becker
08:00 to 08:30 The future of Earth system modelling
Speaker: Peter Dueben (ECMWF)
08:30 to 09:00 Advancing km-scale models underpinning the Destination Earth Digital Twins
Speaker: Benoît Vannière (ECMWF)
09:00 to 09:30 AI for Climate Modeling: Present and Future
Speaker: Christopher Bretherton (Allen Institute for Artificial Intelligence (Ai2))
09:30 to 10:00 Coffee break
Theme 1 continued

Chair: Sarah Keeley, co-chair: Xabier Pedruzo

10:00 to 10:30 Ocean heat uptake in the era of eddying ocean models and AI
Speaker: Alistair Adcroft (Princeton University / NOAA-GFDL)
10:30 to 11:00 Improving the monitoring of vegetation and drought by land surface models through the assimilation of satellite data
Speaker: Jean-Christophe Calvet (Meteo-France)
11:00 to 11:30 Towards Regional High-Resolution Weather Forecasting with Machine Learning
Speaker: Ivar Seierstad (MET Norway)
11:30 to 13:00 Lunch and posters
Theme 1 continued

Chair: Massimo Bonavita, co-chair: Katrin Lonitz

13:00 to 13:30 Data Assimilation Methodology for Numerical Weather Prediction: A review of significant advancements and prospects for the future
Speaker: Daryl Kleist (NOAA/NWS/NCEP/Environmental Modeling Center)
13:30 to 14:00 Progress and prospects on coupled data assimilation, for exploitation of interface observations and in support of climate monitoring and weather prediction
Speaker: Patricia de Rosnay (ECMWF)
14:00 to 14:30 The ERA6 Reanalysis
Speaker: Bill Bell (ECMWF)
14:30 to 15:00 Coffee break
Theme 1 continued

Chair: Patricia de Rosnay, co-chair: Paul Poli

15:00 to 15:30 ECMWF’s next ensemble reanalysis system for ocean and sea-ice: ORAS6
Speaker: Hao Zuo (ECMWF)
15:30 to 16:00 Observations: The Noisy Revolution
Speaker: Tony McNally (ECMWF)

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Wednesday, 9 April 2025
07:30 to 08:00 Arrival and registration
Federal Ministry for Digital and Transport (BMDV)
Robert-Schuman-Platz 1
53175 Bonn
Theme 2: Serving a future society
Chair: Estibaliz Gascon, co-chair: Eduardo Penabad
08:00 to 08:30 Services across time scales and Earth system component – an ECMWF perspective
Speaker: Matthieu Chevallier (ECMWF)
08:30 to 09:00 Services across time scales and components at MeteoSwiss
Speaker: Christian M. Grams (Federal Office of Meteorology and Climatology, MeteoSwiss)
09:00 to 09:30 Challenges in transforming traditional weather services to the changing needs of society
Speaker: Renate Hagedorn (DWD)
09:30 to 10:00 Coffee break
Theme 2 continued

Chair: Anca Brookshaw, co-chair: Sebastian Milinski

10:00 to 10:30 Great potential for S2S applications and services: examples from Europe and Africa
Speaker: Erik Kolstad (NORCE Norwegian Research Centre)
10:30 to 11:00 Understanding, predicting and communicating high impact weather events across Africa
Speaker: Linda Hirons (National Centre for Atmospheric Science (NCAS), Department of Meteorology, University of Reading)
11:00 to 11:30 The Destination Earth Digital Twin for Climate Change Adaptation
Speaker: Sebastian Milinski (ECMWF)
11:30 to 13:00 Lunch and posters
Theme 2 continued

Chair: Carlo Buontempo, co-chair: Chiara Cagnazzo

13:00 to 13:30 Climate services at a national level and its coordination with Copernicus: the example of Germany
Speaker: Sarah Jones (Deutscher Wetterdienst)
13:30 to 14:00 The evolution of climate services and future challenges
Speaker: Chris Hewitt (World Meteorological Organization)
14:00 to 14:30 The outlines of IPCC AR7, and challenges for physical sciences
Speaker: Robert Vautard (IPSL)
14:30 to 15:00 Coffee break
Theme 2 continued

Chair: Laurence Rouil, co-chair: Richard Engelen

15:00 to 15:30 Protecting public health through addressing air pollution and climate action
Speaker: Dorota Jarosinska (WHO European Centre for Environment and Health)
15:30 to 16:00 How to better serve the society
Speaker: Francois Wakenhut (European Commission)
16:00 to 16:30 TBC
16:30 to 17:00
Speaker: Martin Adams (European Environment Agency )

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Thursday, 10 April 2025
07:30 to 08:00 Arrival and registration
Federal Ministry for Digital and Transport (BMDV)
Robert-Schuman-Platz 1
53175 Bonn
Theme 3: Changing sources of predictability across time scales
Chair: Chris Roberts, co-chair: Tim Stockdale
08:00 to 08:30 Perspectives on medium-range predictability – Why does a forecast go wrong?
Speaker: Linus Magnusson (ECMWF)
08:30 to 09:00 Tropical-extratropical teleconnections: the role of midlatitude synoptic systems
Speaker: Julian Quinting (Karlsruhe Institute of Technology)
09:00 to 09:30 The role of the stratosphere in extended-range prediction
Speaker: Daniela Domeisen (University of Lausanne / ETH Zurich)
09:30 to 10:00 Coffee break
Theme 3 continued

Chair: Steffen Tietsche, co-chair: Matthias Aengenheyster

10:00 to 10:30 The role of the ocean in predictability at different lead times
Speaker: Chris Roberts (ECWMF)
10:30 to 11:00 Some outcomes of extreme event attribution
Speaker: Pascal Yiou (LSCE, IPSL, France)
11:00 to 11:30 Frontiers in subseasonal to decadal prediction: A WCRP perspective
Speaker: Bill Merryfield (ECCC/CCCma)
11:30 to 13:00 Lunch and posters
Theme 3 continued

Chair: Frederic Vitart, co-chair: Bianca Mezzina

13:00 to 13:30 Ensemble forecasting and the representation of uncertainties
Speaker: Martin Leutbecher (ECMWF)
13:30 to 14:00 Evaluating seasonal forecast improvements over the past two decades
Speaker: Christopher O'Reilly (University of Reading)
14:00 to 14:30 Machine-learned weather forecasting with AIFS
Speaker: Simon Lang (ECMWF)
14:30 to 15:00 Coffee break
Theme 3 continued

Chair: Mariana Clare, co-chair: Jacob Schloer

15:00 to 15:30 Seasonal forecasts in a changing climate
Speaker: Antje Weisheimer (ECMWF and University of Oxford)
15:30 to 16:00 Tropical Pacific trends in seasonal hindcasts and implications for predictions of the 2020-2022 triple-dip La Niña
Speaker: Michael Mayer (ECMWF)
16:00 to 16:30 Making the impact of climate change on weather and environmental extremes more tangible using storylines
Speaker: Thomas Jung (AWI)
16:30 to 17:00 Understanding and Evaluating Trust in AI forecasts
Speaker: Amy McGovern (University of Oklahoma)

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Friday, 11 April 2025
07:30 to 08:00 Arrival and registration
Gustav-Stresemann-Institut  (GSI)
Europäische Tagungs- und Bildungsstätte Bonn
Langer Grabenweg 68
53175 Bonn-Bad Godesberg
Plenary: Scoping the future of forecasting
Chair: Linus Magnusson, co-chair: Daniel Befort
08:00 to 08:30 Seasonal forecasting: models, reanalyses, forcings
Speaker: Tim Stockdale (ECMWF)
08:30 to 09:00 Production and use of decadal climate predictions
Speaker: Francisco Doblas-Reyes
09:00 to 09:30 Quantifying trends in extreme weather risk using operational ensemble forecasting systems
Speaker: Myles Allen (University of Oxford)
09:30 to 10:00 Coffee break
Plenary continued

Moderators: Magdalena Balmaseda, Antje Weisheimer

Rapporteur: Frederic Vitart, Linus Magnusson

10:00 to 10:30 Exploring the Limit of Predictability with Machine Learning Models
Speaker: Greg Hakim (University of Washington)
10:30 to 11:30 Panel discussion

Panellists:

  • Masilin Gudoshava (IPAC) 
  • Angela Benedetti (ECMWF) 
  • Peter Dueben (ECMWF) 
  • Tim Palmer (University of Oxford) 
  • Greg Hakim (University of Washington)