Condensation and Cloud Parameterization Studies with a Mesoscale Numerical Weather Prediction Model
Open Access
- 1 August 1989
- journal article
- Published by American Meteorological Society in Monthly Weather Review
- Vol. 117 (8) , 1641-1657
- https://doi.org/10.1175/1520-0493(1989)117<1641:cacpsw>2.0.co;2
Abstract
This paper presents the implementation of a parameterization scheme for convective and stratiform condensation (with cloud water as a prognostic variable) into a fine mesh numerical weather prediction model. The results from a 36 h integration of the model, with grid distance 50 km, indicate that the new condensation scheme contributes to an improved forecast compared to that obtained by the original model. Furthermore, from a qualitative comparison with satellite pictures, it is found that the prediction of condensation-cloud parameters is quite realistic. Abstract This paper presents the implementation of a parameterization scheme for convective and stratiform condensation (with cloud water as a prognostic variable) into a fine mesh numerical weather prediction model. The results from a 36 h integration of the model, with grid distance 50 km, indicate that the new condensation scheme contributes to an improved forecast compared to that obtained by the original model. Furthermore, from a qualitative comparison with satellite pictures, it is found that the prediction of condensation-cloud parameters is quite realistic.Keywords
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