WMO: Task Team on Climate Reanalysis
Global producing centres for reanalysis:
| CMA | China Meteorological Administration | China |
| ECMWF | European Centre for Medium-Range Weather Forecasts | Europe |
| JMA | Japan Meteorological Agency | Japan |
| NASA | National Aeronautics and Space Administration | USA |
Regional Specialized Meteorological Centres conducting global climate reanalysis shall:
(a) Produce global climate reanalyses at the surface, near-surface and throughout the atmosphere;
(b) Make digital products available within no more than 60 days behind real-time;
(c) Ensure all products covers at least the most recent WMO climatological reference period;
(d) Make available on their website mandatory digital products listed in Appendix A as core data;
(e) Make available on their website up to date information on the characteristics of their global climate reanalysis systems. The minimum information to be provided is given in CHARACTERISTICS OF GLOBAL CLIMATE REANALYSIS SYSTEMS
In addition to the mandatory functions above, RSMCs conducting global climate reanalysis should:
(a) Make available on their website the recommended graphic and digital products listed in Appendix A;
(b) Define common evaluation metrics to assess climate reanalyses outputs, jointly with other RSMCs conducting global climate reanalysis;
(c) Produce their mandatory and recommended digital products in one of the following formats: GRIB1, GRIB2, NetCDF or HDF.