Publication Abstracts

Tselioudis and Kollias 2007

Tselioudis, G., and P. Kollias, 2007: Evaluation of ECMWF cloud type simulations at the ARM Southern Great Plains site using a new cloud type climatology. Geophys. Res. Lett., 34, L03803, doi:10.1029/2006GL027314.

A new method to derive a cloud type climatology is applied to cloud observations over the Southern Great Plains (SGP) Atmospheric Radiation Measurement (ARM) site and to ECMWF model forecasts, in order to compare model and radar derived cloud type statistics and identify the major deficiencies in model cloud vertical distribution. The results indicate that cirrus and to a lesser extent middle level clouds are the major cloud types missing in the model simulations and that they are missing mostly as parts of multi-type rather than single-type structures. Boundary layer clouds are simulated at approximately the right amounts in the annual mean statistics, but this result comes from the model simulating too little boundary layer cloud in the winter and too much in the summer. Overall, the model forecasts miss about 11% of the total cloud amount, and most of the missing cloud occurs at time periods when multiple cloud types are present in the observations.

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BibTeX Citation

@article{ts02100q,
  author={Tselioudis, G. and Kollias, P.},
  title={Evaluation of ECMWF cloud type simulations at the ARM Southern Great Plains site using a new cloud type climatology},
  year={2007},
  journal={Geophys. Res. Lett.},
  volume={34},
  pages={L03803},
  doi={10.1029/2006GL027314},
}

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RIS Citation

TY  - JOUR
ID  - ts02100q
AU  - Tselioudis, G.
AU  - Kollias, P.
PY  - 2007
TI  - Evaluation of ECMWF cloud type simulations at the ARM Southern Great Plains site using a new cloud type climatology
JA  - Geophys. Res. Lett.
VL  - 34
SP  - L03803
DO  - 10.1029/2006GL027314
ER  -

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