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Category: Fire detection

Warm air ahead of a cold frontal boundary

A cold frontal boundary was moving southward across the central and southern Plains on 27 March 2008. AWIPS images of the MODIS visible channel (above) showed that the leading edge of the front was generally cloud-free as it moved through the Oklahoma and Texas panhandle regions.AWIPS images of the GOES-12 3.9µm... Read More

Smoke and blowing dust in Mexico

Winds up to 60 mph associated with a strong cold front moving across the mountains of northern Mexico on 18 March 2008 were creating areas of blowing dust and sand, as well as fostering an environment favorable for wildfire activity. A comparison of AWIPS images of the MODIS visible channel, 1.3µm “cirrus detection” channel, 3.7µm “shortwave IR” channel, 11.0µm “IR window” channel, and 6.7µm “water vapor” channel... Read More

Fire activity in the southeastern US

[Image source: Liam Gumley, SSEC/CIMSS] A comparison of two consecutive MODIS true color images from the same day (viewed using Google Earth, above) reveals that numerous small fires developed (and produced smoke plumes) within a relatively short amount of time across the southeastern US on 12 March 2008. The satellite overpass... Read More