California remains 92 percent in severe drought, 70 percent in extreme drought and nearly 45 percent in exceptional drought. The U.S. Drought Monitor intensity levels are Abnormally Dry, Moderate, Severe, Extreme and Exceptional Drought.
After four years of drought, ski areas in California and Nevada welcomed the snow, with many areas opening earlier than planned. Sierra-at-Tahoe, in Twin Bridges, is opening Friday, Nov. 20, the area’s earliest start in 11 years. Many other Sierra ski resorts are already in operation.
But the drought update released Thursday says that snow doesn’t ease the water supply deficit, or add water to dwindling reservoirs, after four years of drought in California.
"The northern coast of California and the Sierra Nevada received half an inch to an inch of precipitation this week from Pacific systems, with California’s Central Valley and portions of western and northeast Nevada receiving 0.25 to 0.50 inch of moisture," the report noted.
"This was enough to increase snowpack a few inches at some SNOTEL stations in the Sierra and northeast Nevada," according to the update. "While the precipitation was beneficial to surface soil moisture, it had no effect on the long-term hydrological situation."
The update pointed out that "in some areas, river base flows have not increased and groundwater and reservoir levels have not rebounded. Additionally, a well recently went dry in Cazadero (Sonoma County) in one of the typically more wet environments of northern California (coastal redwood forest)."
California Reservoir Storage Second Lowest On Record
In the Pacific Northwest, several days of "onshore flow wrung out abundant Pacific moisture along the coasts of Washington and northwestern Oregon, causing contraction of drought west of the Cascades."
The most dramatic improvement came in Washington state, where the level of moderate drought was reduced to 72 percent from 100 percent the previous week.
Nearly 61 percent of Washington is in severe drought and 48 percent is in the extreme category. Oregon is 98 percent in moderate drought, 91 percent severe and 61 percent extreme.
The latest U.S. Seasonal Drought Outlook, released Thursday by the NOAA/NWS Climate Prediction Center, shows "drought remains but improves" in California through the end of February 2016, and "drought persists" in northern Nevada, Oregon, Washington and Idaho.
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