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Satellite & Radar
Satellite & Radar Tips
IR (infrared) Satellite Images
Infrared imagery shows the amount of heat emitted by the different cloud features and the surface of the earth.
Infrared images show clouds at higher levels better because they are colder. The images shown are really negatives of the images, because areas that are white are ones that are colder (emit less infrared light),
and areas that are dark are warmer. Most the of the Satellite images shown here are IR.
Radar intensity is a way to "see" through rain. A pulse of radio energy is beamed through a cloud and the amount
of echo returned will give the intensity of precipitation. The echo is a reflection of the energy and a computer
will generate a color code to indicate the amount of precipitation.
The DBZ on the Image is Decibels
When the radar echo reaches the precipitation, the larger the raindrops, or the more raindrops there are,
the greater the DBZ value and the heavier the precipitation in that storm.
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