Water Vapor (6.7 micron)

Limb Darkening 2 (Page 11 of 17)

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A graphic of GOES scanning at angles greater than sixty degrees A GOES-8 6.7 micron water vapor channel image showing the limb effect/cooling brightness temperatures as scan angle increases 

In the water vapor image on the right, notice that brightness temperatures become progressively colder toward the edge of the disk once the scan angle is greater than 60 degrees.

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