File:Cloud streets off Novaya Zemlya, Barents Sea (MODIS 2017-03-17).jpg
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[edit]DescriptionCloud streets off Novaya Zemlya, Barents Sea (MODIS 2017-03-17).jpg |
English: These streets appear far whiter and a whole lot more fluffy than their land-bound cousins. So-called “cloud streets” feature trailing parallel bands of water vapor.
The Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite captured this natural-color image of cloud streets over the Barents Sea and Mezhdusharsky Island on March 7, 2017. Such formations occur frequently in the region in late winter. Cloud streets form when moisture rises from warmer water (compared to the air just above) in columns of heated air called thermals. These thermals rise until they are trapped under a layer of warmer air in a process called temperature inversion. This makes cylinders of rotating air that cool and condense into cumulus clouds. Prevailing winds comb these clouds into the street patterns. The clear parts between the clouds consist of drier, sinking air. “What happens is that very cold and dry air from above the sea ice is transported out over the open ocean. We call such events cold air outbreaks,” said Erik Kolstad, a researcher at Uni Research and the Bjerknes Center for Climate Research in Norway. “Cold air outbreaks are interesting because they are hotbeds of extreme weather.” These streets appear far whiter and whole lot more fluffy than their land-bound cousins. So-called “cloud streets” feature trailing parallel bands of water vapor. The Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite captured this natural-color image of cloud streets over the Barents Sea and Mezhdusharsky Island on March 7, 2017. Such formations occur frequently in the region in late winter. Cloud streets form when moisture rises from warmer water (compared to the air just above) in columns of heated air called thermals. These thermals rise until they are trapped under a layer of warmer air in a process called temperature inversion. This makes cylinders of rotating air that cool and condense into cumulus clouds. Prevailing winds comb these clouds into the street patterns. The clear parts between the clouds consist of drier, sinking air. “What happens is that very cold and dry air from above the sea ice is transported out over the open ocean. We call such events cold air outbreaks,” said Erik Kolstad, a researcher at Uni Research and the Bjerknes Center for Climate Research in Norway. “Cold air outbreaks are interesting because they are hotbeds of extreme weather.” |
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Date | Taken on 7 March 2017 | ||
Source |
Cloud streets off Novaya Zemlya, Barents Sea (direct link)
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Author | Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC |
This media is a product of the Aqua mission Credit and attribution belongs to the mission team, if not already specified in the "author" row |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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