Renewable Energy

Newly Developed Fraction of Diffuse and Improved Total Downwelling Surface Shortwave Flux  

Results of the validation over the period of two years

The information on incoming comparison-of-vegetation-indices-from-various-remote-sensing-sources solar radiation is important not only in climatological and meteorological models, but also in the energy sector and agriculture. Since 2005 the downwelling surface short-wave radiation flux (DSSF) is operationally available from two products based on MSG/SEVIRI: the MSG Downward Shortwave Surface flux (MDSSF, LSA-201) provides estimates every 30 minutes, while the Daily Downward Surface Shortwave Flux (DIDSSF, LSA-203) provides daily integrals of the DSSF. In the last years a new product was developed, the MSG Total and Diffuse Downward Surface Shortwave Flux (MDSSFTD, LSA-207).

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New 15-minute total and diffuse downward surface shortwave flux over MSG disk

Importance of diffuse component for cloudy days

MDSSFTD (LSA-207) product newly offers diffuse fraction in addition to the total downward surface shortwave flux. Both are important for understanding the climate processes at the Earth-atmosphere interface, for plant photosynthesis and carbon cycle, solar power plants applications, NWP verification, nowcasting applications…

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Shortwave Radiation from EUMETSAT’s Satellites

Products from LSA SAF and CM SAF for applications employing instantaneous data and climatological analyses

Instantaneous Downward Surface Shortwave Flux (MDSSF, LSA-201) from EUMETSAT’s LSA SAF, available every thirty minutes, is particularly important for solar radiation forecasts and is essential information for solar power plant operators. High temporal and spatial resolution of solar radiation is of great importance for advanced end users. 

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DSSF for Solar Energy and NWP Model Verification

Shortwave Radiation at the Surface (DSSF) is Important for Solar Power Plants Applications and for Verification of Numerical Weather Prediction (NWP) Model Forecasts

Météo-France within LSA SAF Consortium is developing a satellite product Downward Surface Shortwave Flux (DSSF) which is operationally available every 30 minutes. The product is disseminated in Near Real Time since 2004 by EUMETCast... 

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