Infrared images are basically temperature maps of the land, water, and cloud-top surfaces "seen" by the satellite sensor. very cold surfaces, such as high cloud tops emitting little infrared radiation, appear surfaces with intermediate temperatures appear in gray shadings.

Infrared images are basically temperature maps of the land, water, and cloud-top surfaces "seen" by the satellite sensor. Very cold surfaces, such as high cloud tops emitting little infrared radiation, appear bright white . Surfaces with intermediate temperatures appear in gray shadings.
The simple rule for Infrared (IR) images is: Warm temperatures appear in dark shades. Cold temperatures appear in light shades.

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