07 Feb '12, 6pm

Monday was a VERY dusty day off the west coast of Africa. Here's the dust plume our Aqua satellite saw.

Monday was a VERY dusty day off the west coast of Africa. Here's the dust plume our Aqua satellite saw.

A dust plume spanning hundreds of kilometers blew off the coast of western Africa on February 6, 2012. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite took this picture the same day. West of Mauritania, the dust is thick enough to hide the ocean surface below. Part of the Cape Verde archipelago dimly shows through the plume. Clouds floating overhead cast their shadows on the dust. Distinct plumes blow off the coast of Western Sahara over the ocean, but the large veil of dust in the southwest likely arose farther inland. Sandy desert covers most of Mauritania, and those sand seas may have provided the material for most of the dust in this image. The clouds in the southeast are part of a large cloudbank stretching over western Africa. This large cloudbank could be associated with the weather pattern that blew the dust off the coast. NASA im...

Full article: http://earthobservatory.nasa.gov/NaturalHazards/view.php?...

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A big storm, Tropical Cyclone Jasmine, churning...

earthobservatory.nasa.gov 08 Feb '12, 2pm

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Record snowfall hit Denver & Colorado last week. Here's the big-picture view from our Aqua satellite yesterday.

Record snowfall hit Denver & Colorado last week...

earthobservatory.nasa.gov 06 Feb '12, 8pm

A record-breaking snowstorm struck Colorado in early February 2012, closing an interstate highway, grounding flights, and ...