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Table of Contents
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2021

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title12-05-2021 ECMWF forecast system change

New version of ECMWF IFS model (cycle 47r2) has been introduced at ECMWF since 2021-05-11. In the IFS Cycle 47r2 single-precision for ENS (forecast up to day 46 and hindcast) and HRES (forecast) has been introduced. Moreover, the ENS vertical levels has been increased to 137 to bring it in line with HRES. 

This change will not affect the format of TIGGE products from IFS. Full details can be found in Implementation of IFS Cycle 47r2


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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.  

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