Photo: NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team
Horizontal convective rolls
A swath of 'cloud streets' rake across the sky directly above the southern tip of Greenland in this amazing satellite photo taken on March 6 aboard NASA's Aqua satellite.
Cloud Streets, also known as horizontal convective rolls, are a meteorological phenomenon that occurs when counter-rotating air (rising warm air, sinking cool air) forms parallel lines of fluffy cumulus clouds in the lowest section of the Earth's atmosphere, the planetary boundary layer.
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