Articles | Volume 8, issue 11
Model description paper
18 Nov 2015
Model description paper |  | 18 Nov 2015

The Explicit Wake Parametrisation V1.0: a wind farm parametrisation in the mesoscale model WRF

P. J. H. Volker, J. Badger, A. N. Hahmann, and S. Ott

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Cited articles

Abkar, M. and Porté-Agel, F.: A new wind-farm parameterization for large-scale atmospheric models, J. Renewable Sustainable Energy, 7, 013121,, 2015.
Adams, A. S. and Keith. D. W.: A wind farm parametrization for WRF, 8th WRF Users Workshop, 11–15 June 2007, Boulder, abstract 5.5, available at:, 2007.
Badger, J., Volker, P. J. H., Prospathospoulos, J., Sieros, G., Ott, S., Rethore, P.-E., Hahmann, A. N., and Hasager, C. B.: Wake modelling combining mesoscale and microscale modelsm, in: Proceedings of ICOWES, Technical University of Denmark, 17–19 June 2013, Lyngby, p. 182–193, available at:, 2013.
Baidya Roy, S.: Simulating impacts of wind farms on local hydrometeorology, J. Wind Eng. Ind. Aerod., 99, 491–498, 2011.
Baidya Roy, S. and Traiteur, J. J.: Impact of wind farms on surface air temperature, P. Natl. Acad. Sci. USA, 107, 17899–17904, 2010.
Short summary
We introduce the Explicit Wake Parametrisation (EWP) for wind farms in mesoscale models that accounts for the wake expansion within a turbine-containing cell. In the EWP approach, turbulence kinetic energy (TKE) production results from changes in vertical shear. The velocity recovery compares well to mast data downstream of the offshore wind farm Horns Rev I. The vertical structure of the TKE and the velocity profile are qualitatively similar to that simulated with large eddy simulations.