Comparision of Cloud Properties from Meteosat-8 and Surface Observations

Details Comparision of Cloud Properties from Meteosat-8 and Surface Observations Comparision of Cloud Properties from Meteosat-8 and Surface Observations

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.582...91m&link_type=abstract

Proceedings of the Second MSG RAO Workshop (ESA SP-582). Salzburg, Austria, 9 - 10 September 2004. Organised by ESA, in cooperat

Physics

Scientific paper

A set of algorithms used to derive cloud properties globally has been adapted to analyze hourly radiances taken by Meteosat-8. The initial results are evaluated using objective surface observations at several European locations. Cloud amounts appear to be underestimated due to the satellite retrievals missing some optically thin clouds. False cloud detections occur along arid coastlines and for heavy aerosols. Improvement in cloud detection awaits refinements of the algorithms for the SEVIRI channels and in the clear-sky radiances used to discriminate cloudy and clear scenes. Cloud-top heights are in good agreement for liquid and optically thick ice clouds but are underestimated for optically thin ice clouds. Further enhancement of the algorithms is underway.

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