On March 2, 2020, GOES-16 (GOES-East) spotted ribbon-shaped cloud streets streaming over the Labrador Sea from the sea ice edge in the Davis Strait.

As frigid air moves over relatively warmer water, the warmer air rises, bringing moisture with it. As it cools, it gradually condenses and sinks in rows of horizontal counterclockwise-rotating air cylinders that line up with the prevailing direction of the wind. As that wind sweeps around the southern tip of Greenland, the clouds are blown in a new direction, losing their “streamer” shape.

Imagery credit: CIRA/NOAA

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