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https://confluence.ecmwf.int/display/S2S/ECCC+model+description

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title02-12-2021 ECCC forecast system change

The ECCC Global ensemble prediction system (GEPS) has been upgraded to the version 7  since 0Z run on with the main changes:

  • The version of the GEM model is upgraded to 5.1 with more advanced physics.
  • The number of vertical levels is increased from 81 to 85 for the data assimilation and from 45 to 85 for the forecast.
  • A Stochastic Parameter Perturbation (SPP) method is introduced to replace the Physics Tendency Perturbation (PTP).
  • 20 years hindcast period changed from 1997-2017 to 2001 to 2020 from 

More details can be found in ECCC model description

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