Chinas Great Wall of Dust
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China's Great Wall of Dust

April 29, 2014
A wall of dust was barreling across northern China on April 23, 2014, when the Moderate Resolution Imaging Spectroradiometer (MODIS) acquired this image from NASA’s Aqua satellite. Dust storms are common in the deserts of northern China, but they peak during the spring when large storms and weather fronts move in from Siberia. In this case, a very large front appears to be pushing east across Asia, kicking up dust ahead of it. On the ground, the dust brought visibility down to less than 50 meters (160 feet), veiling parts of northwest China in yellow haze. The winds and resulting dust are widespread, since a dense airborne dust plume is visible under the clouds throughout the scene. The large storm also extended to the Taklimakan Desert (immediately southwest of the area shown here) on April 23, April 24, and April 25.

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