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Comparison of Observed and Modelled Liquid Water Path for Stratus and Stratocumulus Clouds at the SGP

Sengupta,M.(a), Ackerman,T.P.(a), and Clothiaux,E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylvania State University (b)
Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting

Accurate representation of observations in models is a integral part of improving model accuracy. With the availability of long-term data sets from ARM it is possible to statistical compare model output and observations. In our study observed liquid water paths in single layer stratus and stratocumulus clouds at the SGP are compared with ECMWF and Early Eta model output. The results show that on average the models overestimate measurements by over a factor of 3. The results and possible sources of this difference are discussed.

Note: This is the poster abstract presented at the meeting; an extended version was not provided by the author(s).