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6 July 2015

Smoke North and Saharan Dust South

Several NASA satellites have sensors that can look at different wavelengths in the visible to infrared to sense things like dust and smoke. The image below is made up of two wavelengths around 500-550 nanometers in the visible light spectrum. Dust and smoke show up very well in this range. The red to the south is dust from the Sahara desert and the red across Canada and and the dark …


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19 October 2012

Plains Cyclone Brings Rare Dust Storm To The Deep South

Winds gusted across the Plains to nearly 50 mph on Thursday, bringing a real dust storm to much of Kansas and Northern Oklahoma. Today the dust has reached Tennessee and Alabama, and the dry soil from the summer drought almost certainly played a role in this event as well. The latest GOES image Friday afternoon shows the intense low near Chicago. This is what meteorologists call a cutoff low and it extends through much of the troposphere. It is slowly weakening …


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