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| Météo-France TGCC | |
|---|---|
| Name | Météo-France TGCC |
| Country | France |
| Operator | Météo‑France |
| Location | Toulouse |
| Architecture | Hybrid CPU/GPU |
| Purpose | Numerical weather prediction, climate modeling |
Météo-France TGCC is the high‑performance computing facility operated by Météo‑France for numerical weather prediction and climate research. Located at the Centre National de Recherches Météorologiques site in Toulouse, it supports operational forecasting systems, research collaborations, and international data exchange. The cluster underpins contributions to international efforts such as the World Meteorological Organization initiatives, the European Centre for Medium-Range Weather Forecasts, and regional climate projects.
The TGCC was developed during a period of expansion in European supercomputing exemplified by projects like PRACE and national investments from entities such as the French Alternative Energies and Atomic Energy Commission and the Ministry of Economy and Finance (France). Initial procurement cycles followed precedents set by installations at the Centre européen de calcul climatique and mirrors trends in facilities like the Toulouse Midi-Pyrénées Supercomputing Center and CINES. Upgrades occurred in parallel with advances at ECMWF and the adoption of codes pioneered by groups associated with IPCC assessment cycles, the Coupled Model Intercomparison Project, and collaborations with institutes such as CERFACS and CNRS.
TGCC’s core mission aligns with mandates from Météo‑France and obligations under the World Meteorological Organization for operational products, supporting systems including the ARPEGE and AROME models used for short‑ and medium‑range forecasting. It provides computing for climate scenario generation relevant to UNFCCC reports and national adaptation planning by ministries including the Ministry for the Ecological Transition (France). The facility serves research partners at Université de Toulouse, INRAE, and international collaborators such as Met Office and Deutscher Wetterdienst for ensemble prediction and data assimilation experiments.
The TGCC architecture integrates processors similar to families produced by Intel Corporation, AMD, and accelerator technologies from NVIDIA or Intel Xeon Phi roadmaps, arranged in a hybrid topology informed by designs from systems like HPCx and Sequoia. Networking uses high‑performance interconnects comparable to InfiniBand deployments in centers such as OLCF and NERSC. Storage layers mirror strategies from Lustre and GPFS installations at facilities like Jülich Supercomputing Centre and Barcelona Supercomputing Center, supporting large I/O throughput for datasets used by models developed at Météo‑France, ECMWF, KNMI, and research groups at ETH Zurich and Imperial College London.
Housed at Toulouse research infrastructure alongside the Centre National d'Études Spatiales activities, TGCC benefits from dedicated power systems, cooling solutions influenced by deployments at NERSC and JSC cooling projects, and secure networking links to data providers including the EUMETSAT and Copernicus services. Physical facilities incorporate redundancy practices championed by CEA data centers and comply with standards used by European Space Agency ground segments. Onsite expertise includes teams formerly associated with CERFACS, CNRS laboratories, and university HPC groups.
Operational workloads include ensemble forecasts, data assimilation cycles, and high‑resolution convection‑permitting runs comparable to studies by Met Office and DWD. TGCC supports climate downscaling for projects feeding into IPCC assessments and national hazard warnings coordinated with agencies like DGSCGC and Préfecture de Région. Research applications encompass seasonal prediction experiments akin to work at ECMWF, extreme event attribution studies pursued by groups at LSCE and Météo‑France research units, and coupled ocean‑atmosphere simulations developed with partners such as Ifremer and Mercator Ocean.
Performance benchmarks reference community codes such as the Weather Research and Forecasting Model and operational suites like ARPEGE and IFS for comparative validation against systems at ECMWF, Met Office, and Deutscher Wetterdienst. Validation activities include verification against observation networks coordinated by Météo‑France, EUMETNET, and satellite datasets from EUMETSAT and NOAA. Scientific publications resulting from TGCC computations appear in journals associated with AGU, American Meteorological Society, and conferences like EGU and WMO symposia.
Funding and collaborative governance involve Météo‑France, regional authorities in Occitanie, French national agencies including CNRS and INRAE, and European programs such as Horizon 2020 and successor frameworks. Research partnerships span institutions like CERFACS, Ifremer, LSCE, Université de Toulouse, ECMWF, Met Office, and national meteorological services including KNMI and DWD, enabling shared model development, code optimization, and joint stewardship of operational forecasting capabilities.
Category:Supercomputing in France Category:Météorology in France