Interpreting Infrared (IR) Imagery explains how radiometers are used in satellite meteorology including such topics as the types of radiometers, and how they capture and present images. An interactive exercise provides an introduction to interpreting satellite weather images typically seen on evening news programs. Users can "adjust" the air temperature (and cloud altitude) and surface temperature on this applet while observing how the image (in this case, a GOES-8 radiometer image) changes.
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