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Top Document: Satellite Imagery FAQ - 2/5
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Weather Satellites
Weather Satellites _I know nothing about these: need to find some info._ The Meteosat GOES amd GMS weather satellites operate in geostationary orbits. That is to say, they orbit the Earth at the same speed as the Earth's rotation, thus constantly viewing the same area. This means that their temporal resolution is effectively unlimited, so they are able to generate the familiar weather 'movies'. They are, however, of limited use for (other) remote sensing purposes. Geostationary orbits (more typical of communications satellites) are constrained to high altitude, and to the equator. Thus good viewing angles over high latitudes are not possible. The very large area images are at low spatial resolution; the best achieved by Meteosat and GOES is 2.4Km (?). Here are a few pointers to weather pictures online, or see the Meteorology Resources FAQ for a far longer list.
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Last Update July 25 2008 @ 00:13 AM