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Winter Storm Crosses the United States

Winter Storm Crosses the United States

As a deep freeze settled over much of the central and western United States, snow sat on the surface, left over from a massive storm that made its way across the country. Acquired December 9, 2009, this image combines observations by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra and Aqua satellites.

In the mountainous western states, the surface appears as a patchwork of white and brown, especially in Nevada. Large areas in Idaho, California, Arizona, and New Mexico appear completely snow free. Arizona’s Grand Canyon carves an earth-toned path through an otherwise snowy landscape. East of the Rocky Mountains—the difference in terrain is most obvious in Colorado—the snow cover is more uniform as it rests on mostly flat land. Snow cover stretches from Kansas northward to the Dakotas.

The high-resolution image provided above is at MODIS’ full spatial resolution (level of detail) of 250 meters per pixel. The MODIS Rapid Response System provides this image at additional resolutions.

NASA image by Jeff Schmaltz, MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.