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Table of Contents
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2021

Info
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title27-04-2021 JMA forecast system change

JMA global EPS has been upgraded to the version GEPS_2103 since  

The major changes are:

  • Increase of the number of vertical layers from 100 to 128
  • Increase of the number of ensemble members from 27 to 51
  • Revision of the global snow analysis
  • Introduction of the global soil moisture analysis

Further details can be found in the page Models.  


Info
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title15-04-2021 ECCC data resolution change

The horizontal resolution of the ECCC contribution to TIGGE has been increased from 1.0 to 0.25 degree since 12Z  Also the GRIB 2 packing has been changed to simple instead of complex one (that will generally  increase file sizes but also significantly reduce time needed to process such data). All TIGGE data from all participating models should be encoded now using simple GRIB 2 packing.

Further details can be found in the page Models.  

...

Info
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title06-04-2021 Meteo-France forecast system change

The  Meteo-France global prediction system was has been upgraded to the version PEARP5  since   The main technical changes related to TIGGE are:

  • 4 runs from 0/6/12/18Z instead of 2 from 6/18Z
    • there are different final steps for different runs:
      • 0/12Z: +48H
      • 6Z: +90H
      • 18Z: +108H
  • resolution increase to 0.5 degree
  • GRIB 2 simple packing instead of JPEG
  • tmin/tmax fix

Further details can be found in the page Models.  

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