SATIN–Satellite driven nowcasting system

A precipitation nowcasting system (SATIN) is presented which relies entirely on satellite based precipitation products and rain gauge measurements. Thus, the proposed system is most suitable for areas where ground based radar observations are not available, or potentially suffer from low quality. SA...

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Bibliographic Details
Published inAdvances in science and research Vol. 13; pp. 27 - 35
Main Authors Meirold-Mautner, Ingo, Kann, Alexander, Meier, Florian
Format Journal Article
LanguageEnglish
Published Katlenburg-Lindau Copernicus GmbH 16.03.2016
Copernicus Publications
Subjects
Algorithms
Bias
Gauges
Ground-based observation
Hydrology
Meteorological satellites
Methods
Nowcasting
Precipitation
Precipitation forecasting
Radar
Rain
Rain gauges
Rainfall
Technology application
Weather forecasting
Austria
Europe
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Summary:A precipitation nowcasting system (SATIN) is presented which relies entirely on satellite based precipitation products and rain gauge measurements. Thus, the proposed system is most suitable for areas where ground based radar observations are not available, or potentially suffer from low quality. SATIN delivers analyses on a 1 km grid every 15 min and nowcasts (obtained through motion vectors) in 15 min time steps. Nowcasts are gradually merged with NWP precipitation forecasts. An extensive validation including comparisons to different NWP models yields superior performance for SATIN analyses as well as nowcasts for lead times up to 1 h. Reducing the station density still yields better performance than operationally available NWP's.
ISSN:1992-0636
1992-0628
1992-0636
DOI:10.5194/asr-13-27-2016