GOES Aerosol Product Evolution

From Earth Science Information Partners (ESIP)

Cloud Mask

The GOES Imager Spectral bands Band6,Band4 (DIR) and Band1(visible)are used to create a simple cloud mask. The band1 image at 1731UTC on 20070511 is used here to demonstrate the effect of these filters on clouds in the image.

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The filters are applied on to this image in the following order and resulting changes are shown in the images

  • Band-6 (13.31 micrometer) deficit threshold filter
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  • Band-4 (10.71 micrometer) deficit threshold filter


  • Band-4 to Band-6 ratio threshold filter
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  • Band-1 threshold filter