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Archive: Mar 2008

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

Daylight returns to Alaska

The visible image comparison shown above includes two images centered on Fairbanks AK (the green box in the center). The images are from the same time — 1730 UTC — one is from 14 March, and one is from 4 March, 11 days earlier. Sunrises [and daylight duration] at... Read More