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- 91 -> 137 vertical levels.
- OpenIFS 40r1 now includes ECMWF wave model.
- Reduced vertical resolution dependence in the subgrid orography scheme.
- Bugfix for the spectral-band split of the albedo in the radiation.
- Modified treatment of turbulent diffusion in stable conditions (implying a reduction of the diffusion).
- Adjustment of the drag over orography and the low level blocking.
- Adjustment of the land-atmosphere coupling for high vegetation.
- Modification of the PBL height diagnostic according to the findings of Seidel et al. 2012.
- Diurnal cycle extension of CAPE for land and water that significantly improves diurnal variation of convection.
- Formulate CAPE in J/V instead of J/kg from which mass flux follows naturally.
- New interface to the physics.
- Support for the PGI compiler has been withdrawn.
- Support for GNU compiler version 6 added.
Note Note also that some features from Fortran 2003 are now used, that may require more recent versions of compilers (allowing support of the ASSOCIATE construct). We also do not recommend version 15 of the Intel compiler which has known issues with the OpenIFS code.
Grib-api
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Please note that the minimum version of grib-api for use with Cycle 40r1 is 1.11.0.
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