The terrible severity of California's drought is strikingly obvious these side-by-side images of Folsom Lake, a reservoir near Sacramento. On July 20, 2011, the lake was at 97% of its total capacity, according to NASA. On Jan. 16, 2014, the lake had dipped drastically to only 17% of its total capacity. At that time, water levels were so low that it exposed the remains of a Gold-Era-era mining town flooded in the 1950s.

Nearly half-a-million people get their water from Folsom Lake, which flows to the American River. In January, as the river and other major reservoirs dried up, California Gov. Jerry Brown declared a drought emergency and called for voluntary conservation measures.

A lack of precipitation from October through December of last year has "intensified the deficit that had developed during the previous two water years," NOAA said.

Much-needed rain storms in early February brought limited relief to the Folsom lake, but it remained at less than one-third of what the water storage should be for the time of year, a spokesman for the California Department of Water Resources told The Sacramento Bee.

On Feb. 25, Folsom was at 30% of its total capacity, although the historical average for this date is 54%.

NASA announced on Tuesday that it was partnering with the water resources department to conduct satellite studies that would help California officials better manage the drought by assessing the state's freshwater resources. That includes "improving estimates of precipitation, water stored in winter snowpack, and changes in groundwater resources," NASA said in a statement.

The Climate Prediction Center, which issued its latest seasonal drought outlook on Feb. 20, says that the drought will continue and likely worsen in parts of California, the Southwest, and the southern Rockies through March.



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