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False Color
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    Weather radar maps use false color.  That's why weather reporters almost always include a rainbow like "scale" on the screen when they show the weather map.  This scale starts with a darker color representing low levels of activity.  As activity increases, brighter colors are used.  From space, weather does not look like the rainbow colors of the map.  Clouds appear white from above, where weather satellites take their pictures.  Weather doesn't look like the map from underneath, either.  When you are in a storm and clouds cover the sky, or when rain is falling, the clouds don't look any brighter than the other clouds.

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