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