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Saharan dust swept over the Canary Islands in early March 2009. The MODIS on NASA’s Aqua satellite captured this image on March 12, 2009. In this true-color image, beige plumes of dust form arcs and swirls over the Atlantic Ocean off the coasts of Morocco (top right) and Western Sahara (bottom right).
Dust appears especially thick over parts of the Canary Islands. Around La Palma Island, the westernmost island, air currents moving the dust appear to encounter an obstacle (perhaps the island itself) that causes them to change direction. Southwest of the archipelago, a dust plume arcs in a counter-clockwise direction, missing a formation of clouds farther southwest.
Image Facts
Satellite:
Aqua
Date Acquired: 03/12/2009
Resolutions:
1km ( B), 500m ( B), 250m ( B)
Bands Used: 1,4,3
Image Credit:
Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC