Sunday, February 22, 2015

California Droughts

http://www.nbcnews.com/science/environment/california-drought-early-months-2015-will-be-critical-n278641



Californians could be forgiven for asking that question after two big storms in December brought record rain to the north and mountain snow to Southern California that dusted palm trees in some lower-elevation towns. The start of a new year, however, has the state back in a dry stretch, and experts wonder what's in store for the critical few weeks ahead.
"We must necessarily plan for the worst but hope for the best," said Jeanine Jones, deputy drought manager with the California Department of Water Resources. "We are only now entering the normally wettest part of our winter season, and what happens -- or doesn't -- in the next six weeks or so will tell us a lot about the likely outcome of the water year."
"A worst-case scenario for us would be a repeat of last year's very dry hydrology -- fourth driest year on record in terms of statewide runoff," said Jones. "A best-case scenario would be a series of storms that provides the snowpack to refill the major reservoirs, but not with a timing that causes flooding problems."
"In the coming weeks we need more snowpack accumulation in the Sierra Nevada and Cascades Ranges to help replenish reservoir storage later in the season," said Jones.


Image:  Eric Lindbloom of the U.S. Geological Survey checks a water metering station along Cache Creek near Woodland, Calif.


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