http://www.ecmwf.int/products/changes/ifs_cycle_40r1/
-The vertical resolution and the vertical extent used for the medium-range and monthly ensemble forecasts will change: the number of levels of the ENS will increase from 62 to 91with the model top raised from 5 hPa to 0.01 hPa. The pressure levels remain unchanged.
-The atmosphere-ocean coupling of the ENS will be active from initial time of the forecast using a new version of the NEMO ocean model.
19 november implementatie.
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