Category Archives: Data processing

Extracting cloud data

The image below is a crop from NASA’s 250m resolution TERRA satellite – 2003/163 – 06/12. The crop shows a 40km sample over Somerset, UK (160 x 160px). I’ve already been able to extract the cloud layer from a similar … Continue reading

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Data Processing Questions to answer.

What area of sky is needed to be modeled height of camera view? I.e. what area of satellite data do I need to extract to model clouds? How effective is using multiple forms of satellite image (infra-red, true colour (visible), … Continue reading

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Satellite images of weather

A promising and probably the most accurate understanding of cloud states (on a global scale) is the studying and extraction of cloud formations from satellite images. Satellites such as EUMETSAT are regularly recording the earth and publishing images to the … Continue reading

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NWPSAF ECMWF High Resolution Infrared Sounders Aerosol and Cloud Detection

An algorithm to separate and detect clouds from the ground image. The software manual explains more about it. References McNally, A.P. and P.D.Watts, 2003. A cloud detection algorithm for high-spectral-resolution infrared sounders Quarterly Journal of the Royal Meteorological Society, 129, … Continue reading

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