A comparison of the performance of Kalpana and Meteosat-7 WV radiances in the ECMWF NWP model
Singh, R., Kelly, G., Brugge, R. and O'Neill, A. (2011) A comparison of the performance of Kalpana and Meteosat-7 WV radiances in the ECMWF NWP model. Quarterly Journal of the Royal Meteorological Society, 137 (659). pp. 1573-1580. ISSN 1477-870X (Part B)
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To link to this article DOI: 10.1002/qj.848
The Kalpana Very High Resolution Radiometer (VHRR) water vapour (WV) channel is very similar to the WV channel of the Meteosat Visible and Infrared Radiation Imager (MVIRI) on Meteosat-7, and both satellites observe the Indian subcontinent. Thus it is possible to compare the performance of VHRR and MVIRI in numerical weather prediction (NWP) models. In order to do so, the impact of Kalpana- and Meteosat-7-measured WV radiances was evaluated using analyses and forecasts of moisture, temperature, geopotential and winds, using the European Centre for Medium-range Weather Forecasts (ECMWF) NWP model. Compared with experiments using Meteosat-7, the experiments using Kalpana WV radiances show a similar fit to all observations and produce very similar forecasts.
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