Description of the upgrade
The production of rain in convective parametrisation scheme and the evaporation efficiency over land was modified due to the over-forecasting of precipitation (particularly over Europe) and the marked negative bias in the 2m temperature in daytime (in particular when dry, sunny conditions were observed). After the correction was introduced, the over-forecasting of precipitation was eliminated and the 2m temperature bias was reduced.
Implemented: 18 July 1985
Contents of this page
All IFS cycles
- Terminology for IFS testing
- Implementation of IFS Cycle 48r1
- Implementation of IFS Cycle 47r3
- Implementation of IFS Cycle 47r2
- Implementation of IFS Cycle 47r1
- Implementation of IFS cycle 46r1
- Implementation of IFS cycle 45r1
- Implementation of Seasonal Forecast SEAS5
- Implementation of IFS cycle 43r3
- Implementation of IFS Cycle 43r1
- Implementation of IFS cycle 41r2
- Introducing the octahedral reduced Gaussian grid
- Horizontal resolution increase
- Boundary-Condition Programme ENS at 06 and 18 UTC
- Implementation of IFS Cycle 41r1
- IFS cycle upgrades pre 2015