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Search Results for "dust west africa 2012":

Plumes of Dust by Lake Chad and Aïr Mountains, Chad and Niger – December 26th, 2012

13.3N 14.1E

December 26th, 2012 Category: Deserts, Dust Storms, Fires, Image of the day

Niger and Chad – December 24th, 2012

Three plumes of dust from the Sahara Desert can be seen blowing west-southwestward in this image of West Africa. Near the center, northeast of Lake Chad, are two light, parallel plumes originating from the Bodélé Depression, in Chad. Near the left edge, south of the Aïr Mountains, in Niger, is the last plume of dust, darker tan in color than the other two and apparently carrying fewer particles. In the lower part of the full image, smoke and fires can be seen across the Central Africa Republic, Cameroon and Nigeria (right to left).

Smoke Across Southern West Africa, Over Volta and Kainji Lakes

7.1N 0.1E

December 21st, 2012 Category: Fires

West Africa – December 21st, 2012

Smoke, perhaps mixed with dust from the Bodélé Depression, hangs in the air over the West African nations of Nigeria, Benin, Togo, Ghana and Côte d’Ivoire (from right to left). Partially visible through the haze is Lake Volta (near center), on the Volta River in Ghana and Kainji Lake (near right edge), a reservoir on the Niger River in Nigeria.

Smoke and Dust Create Haze Over Southern West Africa

9.5N 3.7E

December 19th, 2012 Category: Dust Storms, Fires

Nigeria – December 18th, 2012

A combination of smoke and dust create hazy conditions over southern West Africa. The dust is blowing southwestward from the Bodélé Depression, in Chad (visible towards the upper right in the full image), while the smoke is from fires in Nigeria or a neighboring country to the west.

Dust Plumes North and South of Bay of Arguin, Mauritania and Western Sahara – December 17th, 2012

20.0N 12W

December 17th, 2012 Category: Dust Storms, Image of the day

West Africa – December 16th, 2012

Dust blows off the coast of Western Sahara (above) and Mauritania (below), north and south of the green-watered Bay of Arguin. The plume north of the bay blows to the east-northeast, while the one to the south blows east-southeast. Visible in the upper right corner are the Canary Islands, while the Cape Verde Islands can be seen at the lower left. Both archipelagos are fully visible in the full image.

Dust in Bodélé Depression Blows Southwest Towards Lake Chad

13.3N 14.1E

December 14th, 2012 Category: Deserts, Dust Storms, Lakes

Chad – December 13th, 2012

The Bodélé Depression, located at the southern edge of the Sahara Desert in north central Africa, is a place where dust storms occur on average about 100 days per year. Here, some dust can be seen blowing towards the southwest, towards Lake Chad.

Recent research has indicated that storms move across the Bodélé Depression at about 47 km/h (29 mi/h)—two times faster than previously believed. The research also found that winds have to whip across the region at a minimum of 36 km/h (22 mi/h), to kick up a dust storm. The pattern of air flow is so common that the winds have scoured a straight path in the ground, marking its southwesterly flow, as can be observed here.