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2024

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title16-10-2024 HMCR on-the-fly reforecast change

The HMCR reforecast period has changed to 1991-2020, following the request from the Lead Centre for Sub-seasonal Predictions Multi-Model Ensemble (LC-SSPMME) project to have the common reforecast period for the S2S products (https://charts.ecmwf.int/wmo/charts)

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title06-09-2024 CNR-ISAC system change

The CNR-ISAC realtime forecast outputs have been updated in the S2S archive since the 5th September 2024  as follows:

  • The lagged ensemble configuration is changed: 
    • it now uses
      • 10 perturbed initial conditions every 6 hours, taken on Wednesday at 06, 12, 18Z respectively and on Thursday at 00Z (with control run on Thursday at 00Z)
    • instead of former
      • 10 perturbed initial conditions every 6 hours, taken on Wednesday at 00, 06, 12, 18Z respectively (with control run on Thrusday at 00Z)
  • The time range is extended from 32 to 35 days
  • The output frequency for 10u/v parameters is increased from 24- to 6-hourly

The related new set of the fixed reforecasts (model version date 2023-10-16) has already been added earlier this year in May.  

More information can be found in CNR-ISAC Model 

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