Category Archives: MODIS Snow/Cloud Discriminator

A look at the 16 Jan 2014 dust storm in eastern Colorado using VIIRS imagery

Strong winds coupled with dry soil led to widespread blowing dust across the eastern plains of Colorado and areas east on Thursday 16 January 2014.  A short video clip shows the blowing dust obscuring visibilities in Logan County in far … Continue reading

Posted in Blowing Dust (Blue-light absorption technique), Blowing Dust Detection (Split-window technique), MODIS Snow/Cloud Discriminator | 1 Comment

Determining clouds from snow – an example from 5 Dec 2013

As winter continues to settle in across the nation and snow cover increases, an issue that arises is trying to see cloud cover over a snow pack during the daytime with visible satellite imagery, since both appear white.  Certainly looping … Continue reading

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Cloud over snow example on 30 November 2011 from Buffalo WFO using MODIS imagery

Buffalo WFO SOO David Zaff collected this imagery from one of the forecasters, Robert Hamilton, who sent him the following message: “I found it very interesting to see snow cover on the basic IR imagery late this afternoon, so I have attached both the IR … Continue reading

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MODIS Snow/Cloud Discriminator Example

As part of the GOES-R Satellite Proving Ground, NASA MODIS data are being used to preview the kinds of snow detection capabilities that will become available from the GOES-R ABI.  The fading image example above demonstrates the MODIS Snow/Cloud Discriminator … Continue reading

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