At the kind invitation of the Moroccan Meteorological Service, the 6th ACCORD All Staff Workshop will be held in Marrakech (Morroco) as a hybrid meeting from 13 to 17 April 2027, in the premise of the Grand Mogador Agdal hotel.

Local informations - Practical informations

Grand Mogador Agdal hotel can host all participants with a prefered rate. All details are in the comprehensive information document prepared by our hosts: Information pack.
Please do not register to the hotel on your own, read carefully the document and fill the specific form to register at the hotel before the 6th February.

A framateam link is available for in-situ participants, to organize activities beside the meeting (if you want to inform others that you are going to run, that you are looking for someone to play cards with, if you want to proposes people to join you for diner ...). Please join !

Registration

The registration for attending the workshop in Marrakech is now closed.
You can still registered for an online participation throught this form.
Please note that proposals for presentations and posters are no longer possible.

Guidelines for a soft hybrid ASW

For speakers, for posters, for chairs, for participants
Please upload your presentations in PRESENTATIONS and your poster in POSTERS

Social events

The ice breaker will be on Monday evening, after the poster session, from 6:00 to 8:00 pm. The event will be held in the coffee break area, where the posters will be displayed
along the walls. Snacks and soft drinks will be served.

An Excursion in Marrakech (or surrounding) is planned for Wednesday afternoon. Participants are advised to bring appropriate clothing, hats, and suitable walking shoes.

A Dinner will be held on Wednesday evening, between 7:00 and 11:00 pm, following the excursion. All workshop participants are invited to a dinner offering a variety of meal options.

Participants

The list of Participants is available as well. Please check that you are well registered. Updated on the 27 March 2026.

Agenda

The Agenda is now available. There will be probably last minutes changes and the chairs will be added later. Updated on the 27 March 2026.

For Online participants, this is the Webex link for the whole week. Mind the time difference !

Sessions

This year the sessions are divided in two:

Regular and General Area Sessions with general talks.

Topical Sessions on more specific topics with more time for discussions.

All sessions will be recorded and the videos will be available on this webpage.

We will have 2 rooms for the ASW.
All General Area Session will take place in the conference room.
A second room is available all week, behind the conference room, for Topical Sessions when in parallel with another session.
For those who want to take the opportunity to meet beside the meeting the second room will be free the rest of the time.

• Registration
  Monday 13 April 8:30 CEST-1

• Opening session.
  Monday 13 April 9:00 CEST-1
  • SBII Siham: Opening of the meeting and welcome speech
  • SAHLAOUI Zahra: Practical information provided by Meteo-Maroc organizer
  • FISCHER Claude: ACCORD/PM+CSS Introduction to the ASW
  • MCNALLY Tony: ECMWF end-to-end exploitation of observations with 4D-Var and Machine Learning towards very high spatial and temporal resolution
  • SCHRAFF Christoph: C-SRNWP status

• Area Leaders Sessions Chair
  Monday 13 April 10:45 CEST-1

• Newcomers Session. Chair: Claude Fischer
  Monday 13 April 12:15 CEST-1

• Code and system
  Monday 13 April 14:20 CEST-1
  • EL KHATIB Ryad: About benchmarking with toy models
  • MARY Alexandre: Cycles and source code contributions
  • ANDRAE Ulf: Tactus - from DEODE to ACCORD with love
  • DEGRAUWE Daan: code refactoring (to be confirmed)

• Poster introduction
  Monday 13 April 16:30 CEST-1
  • Introduction of scientific posters (9)
    National poster will not be presented during this session.

• Ice Breaker
  Monday 13 April 18:00 CEST-1

• Data Assimilation
  Tuesday 14 April 8:30 CEST-1
  • BUČÁNEK Antonín: Overview of LACE DA activities
  • MONTEIRO Isabel: Data Assimilation at the United Weather Centres
  • VOGT Valérie: Model error simulation using the RPP scheme in Arome-EDA
  • DEDDING Erik: Assimilation of externally generated transformed retrievals from IASI in HARMONIE-AROME 4D-Var
  • HDIDOU Fatima Zahra: Assimilation of GNSS Gradients into AROME model

• Common Deployment
  Tuesday 14 April 11:00 CEST-1
  • Common Deployment Introduction
  • General Discussions

• Meteorological Quality Assurance
  Tuesday 14 April 13:50 CEST-1
  • NIELSEN Kristian: Quality assurance in UWC
  • TAȘCU Doina-Simona: LACE verification activities
  • THEEUWES Natalie: Developments and Process‑Based Evaluation of Hectometric‑Scale NWP

• Climate. Chair: John Hanley. Online co-chair: Kwinten van Weverberg.
  Tuesday 14 April 15:40 CEST-1
  • NABAT Pierre: Climate updates from CNRM/MeteoFrance
  • VAN WEVERBERG Kwinten: Climate-related activities using ALARO-SURFEX-TEB at RMI
  • LANDGREN Oskar: Latest progress and ongoing work in HCLIM
  • General Discussions

• In parallel with:
• MG + LTM meeting
  Tuesday 14 April 15:40 CEST-1

• LTM meeting
  Tuesday 14 April 17:00 CEST-1

• Surface analysis and modelling
  Wednesday 15 April 8:30 CEST-1
  • SAMUELSSON Patrick: ACCORD surface overview
  • TUDOR Martina: LACE surface overview
  • KÄHNERT Marvin: Beyond Static Boundaries: Affordable Coupling Approaches for HARMONIE-AROME
  • MAŠEK Ján: Progress of ALARO with SURFEX

• Ensemble forecasting and predictability. Chair: Inger-Lise Frogner . Online co-chair: James Fannon.
  Wednesday 15 April 10:40 CEST-1
  • WASTL Clemens: EPS activities in LACE
  • TSIRINGAKIS Aristofanis: An overview of ensemble developments at UWC
  • CALLADO-PALLARÈS Alfons: Review of LAM-EPS systems at AEMET: past, present and future
  • ROUX Gregory: Arome-EPS in Meteo-France

• Common Scripting System
  Wednesday 15 April 13:30 CEST-1
  • Common Scripting System Introduction to the session
  • General Discussions

• Visit of the Medina
  Wednesday 15 April 15:00 CEST-1

• Dinner
  Wednesday 15 April 19:00 CEST-1

• Dynamics
  Thursday 16 April 8:30 CEST-1
  • VOITUS Fabrice: The Non-Hydrostatic Dynamics of ACCORD models : current-state, limitations and perspectives
  • SMOLÍKOVÁ Petra: News in dynamics and coupling for high resolution applications
  • KÜHNLEIN Christian: The Portable Model for multi-scale Atmospheric Prediction

• Physic Parametrization.
  Thursday 16 April 10:40 CEST-1
  • MAZOYER Marie: Considering NRT aerosols from IFS-COMPO and MOCAGE for radiation in AROME cy49t1
  • NEMEC David: Incorporating Ice‑Phase Hydrometeors into the ALARO Double‑Moment Microphysics Scheme
  • HRASTINSKI Mario: On Refining the Vertical Resolution of Numerical Weather Prediction Models
  • DE ROOY Wim: Harmonie-Arome in EUREC4AMIP

• MQA Infrastructure
  Thursday 16 April 13:40 CEST-1
  • VIANA Samuel: HARP point verifications in DEODE
  • SUZAT Florian: HARP via singularity container
  • General Discussions

• Documentation, a cross-cutting topic. Chair: Jana Sanchez
  Thursday 16 April 15:50 CEST-1
  • SANCHEZ-ARRIOLA Jana: Documentation in ACCORD and issues identified during the ASW week
  • General Discussions

• Applications. Chair: Endi Keresturi.
  Friday 17 April 9:00 CEST-1
  • RANDRIAMAMPIANINA Roger: On-Demand Destination Earth Extremes Digital Twin
  • SANTOS MUÑOZ Daniel: United Weather Centers: From the HIRLAM Legacy to Operational Innovation
  • DÍEZ MUYO María V.: IBERA.
  • ALAOUI Badreddine: A Review of the Artificial Intelligence Activities related to NWP in the National Center of Meteorological Research of Morocco

• Closing session.
  Friday 17 April 11:10 CEST-1
  • Claude FISCHER: Debrief from the 2026 ASW
  • Claude FISCHER: AOB

Posters

Please upload your poster in POSTERS

• Thematic posters
  • BOUNIT Amina: Implementation and first tests of AROME-Dust over Morocco
  • DENBY Leif: State and outlook of Machine-Learning based Weather Prediction
  • ENGDAHL Bjørg Jenny: Evaluating microphysics options with the MUSC MPACE case
  • GEIJO GUERRERO Carlos: A Gaussian Approach to Flow-Dependent Correlations
  • HANLEY John: Pan-European HCLIM Climate Simulations: Hydrostatic AROME versus ALADIN
  • KHAYE Hafsa: Verification of the AROME 1.3 km Convective-Scale Model over Morocco Using Surface and Upper-Air Observations
  • LENTINK Hilke: Pseudo Global Warming approach in HCLIM and Tactus
  • MURLIDHARAN MENON Abhilash: Advancements in hectometric scale NWP for urban areas
  • TUDOR Martina: A-LAEF - an ensemble system using ALARO CSC overview

• National posters
  • FEDDERSEN Henrik: Weather modelling activities at DMI
  • CEDILNIK Jure: ACCORD related activities at ARSO
  • OPREA Mihail: NWP activities at MeteoRomania
  • JAVIER Calvo: AEMET NWP Activities
  • JIDANE Mohamed: Recent advances in numerical weather prediction in Morocco
  • KERESTURI Endi: The Nwp Activities At Croatian Meteorological And Hidrological Service In Spring 2026
  • KOLONKO Marcin: ACCORD activities in Poland
  • LOO Cécile: Overview of Météo-France NWP systems
  • MEIER Florian: National Poster Austria
  • SIMON André: NWP related activities in 2025-2026 at SHMU
  • SZEPSZO Gabriella: NWP activities at the Hungarian Meteorological Service
  • TROJAKOVA Alena: Numerical Weather Prediction activities at CHMI
  • TSENOVA Boryana: Status of NWP at Bulgaria
  • WHELAN Eoin: UWC West NWP systems