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Posts tagged Senegal

Dust and Kármán Vortices by Canary Islands – June 23rd, 2013

21.0N 19.1W

June 23rd, 2013 Category: Clouds, Dust Storms, Image of the day VIIRSSuomi-NPP

West Africa – June 22nd, 2013

Named after the engineer and fluid dynamicist Theodore von Kármán, in fluid dynamics, a Kármán vortex street is a repeating pattern of swirling vortices that are created when the flow of a fluid separates unsteadily as it moves around blunt bodies. Here, this phenomenon can be seen in the upper left quadrant, as spiralled cloud patterns southwest of the Canary Islands. In the lower left quadrant, dust can be seen blowing off the coasts of Mauritania and Senegal.

Kármán Vortex Streets Trailing Off Cape Verde and Canary Islands – June 20th, 2013

21.8N 18.5W

June 20th, 2013 Category: Clouds, Image of the day VIIRSSuomi-NPP

West Africa – June 19th, 2013

West of Western Sahara, Mauritania and Senegal, off the coast of West Africa, is an atmospheric phenomenon known as Kármán Vortex Streets. These parallel rows of oppositely spinning vortices, caused by the unsteady separation of flow of a fluid around blunt bodies, can be seen trailing off the Canary Islands (above) and off the Cape Verde islands (below). Some dust can also be seen spreading off the coast of Mauritania.

Golden Sands Over the Atlantic Ocean

18.4N 18.1W

June 4th, 2013 Category: Dust Storms MODISTerra

West Africa – June 1st, 2013

A golden plume of dust spreads westward over the Atlantic Ocean, intermingled with cloud-cover. The plume blows off the coast of West Africa around the Mauritania-Senegal border, creating a yellowish veil over the mouth of the Senegal River (marking the border between the two countries) and the Bay of Arguin (in Mauritania, to the north).

Veil of Dust Partially Covering Bay of Arguin, Mauritania

19.2N 17.6W

June 2nd, 2013 Category: Dust Storms

West Africa – June 1st, 2013

Saharan dust blows southwestward off the coast of West Africa, partially veiling the usually bright green, phytoplankton-tinged waters of the Bay of Arguin, on the shores of Mauritania (above center). The dust also partially veils the mouth of the Senegal River (below center), marking the border between Mauritania and Senegal.

Dust Blowing Over Cape Verde Islands – June 1st, 2013

16.0N 23W

June 1st, 2013 Category: Dust Storms, Image of the day

West Africa – June 1st, 2013

A plume of dust spreads westward, off the coast of West Africa by the Mauritania-Senegal border (marked by the Senegal River, right center). The plume extends west-southwestward, blowing far over the Cape Verde Islands.

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