Start Date: End Date: Published Date Data Date
Data acquired July 21, 2014 720 x 480 JPEG
Data acquired July 21, 2014 9783 x 6522 7 MB - JPEG
Data acquired July 21, 2014 108 MB - GeoTIFF
Data acquired June 16, 2013 720 x 480 JPEG
Data acquired June 16, 2013 9783 x 6522 6 MB - JPEG
Data acquired June 16, 2013 105 MB - GeoTIFF
Data acquired January 1, 2013 - July 29, 2014 720 x 210 PNG
Data acquired 2013 - 2014 52 KB - KML/KMZ
Data acquired July 21, 2014 JPEG
Ongoing drought and diminished snowpack in the Rockies have combined with increasing demands downstream to cause the great reservoir to drop to historically low levels.
NASA Earth Observatory image by Robert Simmon, using Landsat data from the U.S. Geological Survey. Caption by Michael Carlowicz.
Published August 1, 2014 Data acquired July 21, 2014