English: Snow highlights the rugged mountains as well as the urban and agricultural landscapes of the plains. During this event, winds were predominantly from the north. Air moving southward from the
Wyoming-Colorado border blew down-slope toward the
South Platte River Valley, and it dropped less snow. On the far side of the river, however, the terrain rises and as the air climbed up-slope, heavier snow fell. The difference in snow totals occurs because air that is descending generally warms and dries. Air that is forced to rise over elevated
topography cools, and more water vapour condenses into rain or snow. This pattern of heavy snow in up-slope (north-facing) areas and less in down-slope areas is repeated across the state, most obviously in river valleys oriented in an east-west direction, including the
Gunnison and
Rio Grande Valleys in Colorado and the
Green River Valley in Utah.
Image captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite. Image courtesy of the MODIS Rapid Response Team at NASA GSFC.
The NASA website hosts a large number of images from the
Soviet/
Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The
SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.
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{{Information |Description={{en|1=Snow highlights the rugged mountains as well as the urban and agricultural landscapes of the plains. During this event, winds were predominantly from the north. Air moving southward from the
Wyoming-
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