The 47th EWGLAM and 32nd SRNWP Meeting

22-25 Sep. 2025, organized by the Swedish Meteorological and Hydrological Institute

Participants

Juan Jesus Gonzalez Aleman, Jorge H. Amorim, Ulf Andrae, Kübra Nur Aras, Roohollah Azad, Sabir Badr, Alaoui Badreddine, Michael Baldauf, Francesco Batignani, Eric Bazile, Tommaso Benacchio, Loïk Berre, Dieter Van den Bleeken, Bogdan Bochenek, Mihaela Bogdan, Sylvia Bohnenstengel, Jelena Bojarova, Antonín Bučánek, Jitske Burgers, Michael Robert Bush, Carlo Cafaro, Alfons Callado-Pallarès, Javier Calvo, Valerio Cardinali, Ana Cristina C. S. G. Carvalho, Yelis Cengiz, Colm Clancy, Alexandra Crăciun, Duygu Aktaş Çubuk, Mats Dahlbom, Alex Deckmyn, Daan Degrauwe, Anne-Lise Dhomps, Hajer Dhouioui, Erdem Dibekoglu, Zeynep Feriha Ünal Dinç, Stefan Dinicila, Gareth Dow, Péter Elek, Reima Eresmaa, Pau Escribà, Mehdi Eshagh, James Fannon, Henrik Feddersen, Claude Fischer, Carl Fortelius, Jacob Francis, Inger-Lise Frogner, Natália Eszter Szalontainé Gáspár, Thomas Gastaldo, Christoph Gebhardt, Emily Gleeson, Flora Gofa, Raffaele Golino, Juan José Gómez-Navarro, Carlos Geijo Guerrero, Kristinn Guðnason, Günther Haase, Karoliina Hämäläinen, Lee Hawkness-Smith, Jürgen Helmert, Mario Hrastinski, Martin Imrisek, Karl-Ivar Ivarsson, Marek Jacob, Adam Jaczewski, Åke Johansson, Christine Johnson, Endi Keresturi, Wafa Khalfaoui, Hafsa Khaye, Heiner Körnich, Marcin Kolonko, Ekaterina Kurzeneva, David Lancz, Tomas Landelius, Humphrey Lean, Alina Lerner-Vilu, Magnus Lindskog, Abhishek Lodh, Cécile Loo, Laura Magyar, Imad Eddine Helali Mahiddine, Swapan Mallick, Najla Marass, Chiara Marsigli, Sawada Masahiro, Andrzej Mazur, Anne McCabe, Ayoub Mehbali, Benjamin Menetrier, Angela Meyer, Marco Milan, Massimo Milelli, Enrico Minguzzi, Marion Mittermaier, Mohamed Mokhtari, Maria Monteiro, Daniel Santos Muñoz, Michal Nestiak, Rachel North, Soma Oláh, Jeanette Onvlee, Mihail Oprea, Tiziana Paccagnella, Guðrún Nína Petersen, Aurore Porson, Katalin Jávorné Radnóczi, Roger Randriamampianina, Matthias Raschendorfer, Brian Reinhold, Martin Ridal, Jadwiga Róg, Wim De Rooy, Gregory Roux, Patrick Samuelsson, Jana Sanchez-Arriola, Vanessa Schlidt, Stefan Schneider, Christoph Schraff, Jan-Peter Schulz, Piotr Sekuła, Metodija (Meto) Shapkalijevski, André Simon, Geert Smet, Petra Smolikova, Niko Sokka, Oldrich Spaniel, Zsófia Szalkai, Gabriella Szepszo, Natalia Szopa, Tatiana Tabalchuk, Dávid Tajti, Simona Tascu, Boglárka Tóth, Helga Toth, Alena Trojakova, Milen Tsankov, Arisitofanis Tsiringakis, Martina Tudor, Saji Varghese, Antonio Vocino, Valérie Vogt, Brent Walker, Clemens Wastl, Stuart Webster, Steven Willington, Xu Xu, Daniel Yazgi, Sahlaoui Zahra, Xiaohui Zhao

  1. Agenda and Presentations
  2. National Posters
  3. Video Recordings

1. Agenda and Presentations

Monday, 22nd September
08:30-09:00 Registration and Poster set-up
09:00-09:10 SMHI Opening
09:10-09:15 Christoph Gebhardt Introduction to the meeting programme
Consortia Presentations (Chair: Jelena Bojarova, Co-Chair: SMHI)
09:15-09:30 Aurore Porson Met Office
09:30-09:45 Claude Fischer ACCORD
09:45-10:00 Jeanette Onvlee HIRLAM overview and transtion
10:00-10:15 Martina Tudor LACE
10:15-10:30 Christoph Gebhardt COSMO
10:30-11:00COFFEE BREAK
11:00-11:30 Aristofanis Tsiringakis ECMWF
Review Talks (Chair: Daniel Yazgi, Co-Chair: Tomas Landelius)
11:30-12:05 Dieter van den Bleeken Comparing streched-grid and limited-area modelling for data-driven regional weather forecasting
12:05-12:40 Humphrey Lean Current status and future developments in hectometric prediction
12:40-13:00 Marek Jacob Update on the E-AI EUMETNET Programme
13:00-14:00LUNCH BREAK
Session on Predictability and EPS (Chair: Aurore Porson, Co-Chair: Clemens Wastl)
14:00-14:20 Clemens Wastl EPS activities in LACE
14:20-14:40 Inger-Lise Frogner EPS developments with Harmonie
14:40-15:00 Chiara Marsigli Ensemble activities in COSMO
15:00-15:20 Carlo Cafaro Analysis of MOGREPS-UK ensemble spread and skill and their prediction using machine learning
15:20-15:40 Aristofanis Tsiringakis Recent developments in km-scale ensemble and uncertainty representation at ECMWF
15:40-16:00 DISCUSSION
16:00-16:30COFFEE BREAK
Session on Dynamics (Chair: Tommaso Benacchio, Co-Chair: Natalia Szopa)
16:30-16:50 Petra Smolikova Novelties for model dynamics stability and accuray in high resolutions
16:50-17:10 Michael Baldauf Further developments in the Discontinuous Galerkin based dynamica core for ICON
17:10-17:20DISCUSSION
17:20-18:30 Poster Session Introduction to National and Thematic Posters (Christoph Gebhardt)
18:30-20:30Icebreaker
Tuesday, 23rd September
Thematic Sessions of Expert Teams
Session on Verification (Chair: Sylvia Bohnenstengel, Co-Chair: Chiara Marsigli)
08:30-08:50 Flora Gofa COSMO verification activities
08:50-09:10 Simona Tascu LACE verification activities
09:10-09:30 Alaoui Badreddine Evaluation of AROME NWP model in forecasting extreme weather events in Morocco
09:30-09:50 Marion Mittermaier Synthesizing systematic improvements during the model development cycle using data-driven methods
09:50-10:10 Juan Jesus Gonzales-Aleman Evaluating sub-kilometre simulations in the HARMONIE-AROME model on high-impact convective storms
10:10-10:30 Jacob Francis Examining entropic unbalanced optimal transport and Sinkhorn divergences for spatial forecast verification
10:30-10:50DISCUSSION
10:50-11:20COFFEE BREAK
11:20-12:50 Parallel Session on Predictability and EPS (Chair: Chiara Masigli)
11:20-11:40 Brent Walker, Steven Willington New tools and visualisations developed and planned to transform the way Met Office operational meteorologists interact with ensemble data
11:40-12:00 Gregory Roux Evolution of model error representation in Arome-EPS: Implementation of a random parameter perturbation
12:00-12:50DISCUSSION
11:20-12:50 Parallel Session on Verification (Chair: Marion Mittermaier, Co-Chair: Rachel North)
11:20-11:35 Rachel North An example of model evaluation process
11:35 Flora Gofa Summary on verification activities in COSMO consortium
11:35-12:50 Panel Discussion Given the new models on the horizon, does the model evaluation process need to change/evolve? If so, how and why?
12:50-13:50LUNCH BREAK
EUMETNET Presentation
13:50-14:00 Christoph Schraff News about C-SRNWP
Session on Data Assimilation (Chair: Reima Eresmaa, Co-Chair: Loik Berre)
14:00-14:20 Christoph Schraff Update on data assimilation in COSMO
14:20-14:40 Marco Milan LAM-DA impact during forecast time
14:40-15:00 Magnus Lindskog Algorithmic developments in ACCORD
15:00-15:20 Antonin Bucanek Advances in the use of observations in ACCORD
15:20-15:40 Valerie Vogt The new AROME-France E-suite: data assimilation aspects and general performances
15:40-16:00DISCUSSION
16:00-16:30COFFEE BREAK
16:30-17:30 ACCORD Local Team Managers meeting (for LTMs or their representatives)
Wednesday, 24th September
Session on Surface and Soil Aspects (Chair: Stefan Schneider, Co-Chair: Helga Toth)
08:30-08:50 Jürgen Helmert Surface activities in the COSMO consortium
08:50-09:10 Christoph Rudiger, Souhail Boussetta Making use of data for physical land surface model developments at ECMWF
09:10-09:30 Patrick Samuelsson ACCORD overview of surface activities
09:30-09:50 Jürgen Helmert Advancing ancillary parameters and soil processes for numerical weather prediction at DWD
DISCUSSION
Parallel Sessions
10:40-12:10 Parallel Session on Surface and Soil Aspects (Chair: Patrick Samuelsson, Co-Chair: Helga Toth)
10:40-11:00 Martina Tudor Coupling ALARO physics with SURFEX
11:00-11:20 Jan-Peter Schulz Land surface atmosphere interactions sumulated by the ICON atmospheric model
11:20-11:40 Abhishek Lodh Recent advancements in EnKF based LDAS methods for the soil diffusion based ISBA model at SMHI
11:40-12:00 Patrick Samuelsson Sensitivity studies for characterisation of thermal and moisture properties of the uppermost soil layers
DISCUSSION
10:40-12:10 Parallel Session on Data Assimilation (Chair: Magnus Lindskog, Co-Chair: Benedict Strajnar)
10:40-11:00 Benjamin Menetrier A modern implementation of the spectral background error covariance matrix
11:00-11:20 Swapan Mallick Importance of remote sensing observation in reanalysis data
11:20-11:40 Xu Xu High-resolution data assimilation in global and regionl ICON for the GLORI Digital Twin
11:40-12:00 Lee Hawkness-Smith Improvements to direct assimilation of radar reflectivity in Met Office UKV, including use of French and German radars
12:00 Thomas Gastaldo Poster Intro: High-Resolution data assimilation with ICON and KENDA at Agenzia ItaliaMeteo and Arpae
12:00-12:10 DISCUSSION
12:10-13:00LUNCH BREAK
Exkursion and Dinner
Thursday, 25th September
Session on Physical Parameterisation (Chair: Erik Bazile, Co-Chair: Mike Bush)
08:30-08:50 Wim de Rooij An organisation aware convection scheme for the grey zone
08:50-09:10 Erik Bazile A preliminary study on the 'explicit' integration of building heights in the high resolution AROME model
09:10-09:30 Matthias Raschendorfer Some recent development for ICON physics
09:30-09:50 Sylvia Bohnenstengel Implementation of the Regional Atmosphere Land 3 (RAL3) within the next generation Momentum framework and LFRic atmosphere
09:50-10:10 Gareth Dow Latest updates to the UK regional modelling system
10:10-10:30 Mario Hrastinski Physics activities in RC-LACE
10:30-10:50DISCUSSION
10:50-11:20COFFEE BREAK
Session on Link with Applications (Chair: Jeanette Onvlee, Co-Chair: Mike Bush)
11:20-11:40 Roger Randriamampianina Extremes Digital Twin
11:40-11:50 DISCUSSION
Closing Session (Chair: Chiara Marsigli)
11:50-12:20 Summary of Parallel Sessions by Expert Team Chairs Surface and Soil Aspects, and Data Assimlation Team
12:20-13:00 EWGLAM Final Discussion
End of the Meeting

2. National Posters

Croatia: Endi Keresturi
Czech Republic: Alena Trojakova
Denmark: Tommaso Benacchio
Finland: Carl Fortelius
France: Cécile Loo
Germany: Christoph Gebhardt
Hungary: Gabriella Szépszó
Japan: Masahiro Sawada
Poland: Andrzej Mazur
Poland: Marcin Kolonko
Romania: Mihail Oprea
Romania: Stefan Dinicila, Mihaela Bogdan
Slovakia: Oldrich Spaniel, André Simon
Spain: Javier Calvo
Sweden: Martin Ridal

3. Thematic Posters

Alija Bevrnja: Further verification of ICON-O Limited Area model
Benjamin Menetrier, Fabius Voitus: SEAM: a simple and robust periodization method
Daniel Yazgi: Time interpolation using diffusion models
Tatiana Tabalchuk: Influence of perturbation of surface temperature on temperature inversion at selected SYNOP stations in Poland
Thomas Gastaldo: High-resolution data assimilation with ICON and KENDA at Agenzia ItaliaMeteo and Arpae

4. Video recordings

Monday

Opening, Consortia Presentations: 📹
Consortia Presentations, Review talks: 📹
Session on Predictability and EPS: 📹
Session on Dynamics, Introduction to Posters: 📹

Tuesday

Session on Verificaton: 📹
Parallel Session on Preditability and EPS: 📹
Parallel Session on Verification: 📹
Session Data Assimilation and EUMETNET Presentation: 📹

Wednesday

Session on Surface and Soil aspects: 📹
Parallel Session on Surface and Soil aspects 📹
Parallel Session on Data Assimilation: 📹

Thursday

Session on Physical Parameterisation: 📹
Session on Link with Applications: 📹
Closing Session, Summary of Parallel Sessions: 📹