Summary of cycle 47r3

Implementation date2021-10-12See News article
Detailed description of changes

Implementation of IFS Cycle 47r3

 
Key characteristics of our forecasting system

Key characteristics of our forecasting system

Resolution

Horizontal (unchanged)

  • Atmospheric (unchanged)

    • HRES: O1280
    • ENS (days 1-15): O640
    • ENS extended (days 16-46): O320
  • Wave (unchanged)
    • HRES-WAM: 0.125°
    • ENS-WAM: 0.25°
    • ENS-WAM Extended: 0.5°
  • Ocean (unchanged)
    • NEMO: 0.25°

Vertical (unchanged)

  • Atmospheric
    • HRES: L137
    • ENS:   L137

 

 

 


 

  • Ocean (unchanged)
    • NEMO: 75
Data set affected
  • HRES
  • ENS
  • HRES-WAM
  • ENS-WAM
  • ENS-extended
Score card

Scorecards presenting the new cycle performance are regularly updated: 

Meteorological changes
  • Assimilation
  • Observations
  • Model
Meteorological impact
  • Extratropical upper-air geopotential and wind
  • Tropical upper-air winds and temperature
  • Low level temperatures
  • Tropical Cyclones
  • MJO prediction and amplitude
  • Precipitation
  • Cloud cover
  • Wind gusts
  • Visibility
 
Technical changes
  • GRIB encoding
  • Software
 
Model ID
  • Atmospheric: 153
  • Ocean wave:  118
 

New and changed parameters 

  • HRES FC
  • ENS CF/PF
 
Discontinued disseminated model outputNot applicable 
e-suite experiment number76