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Is California’s Drought Now the Rule, not the Exception?

Atmospheric patterns resembling those that appeared during the latter half of California’s ongoing multiyear drought are becoming much more common, a new study finds.

“The current record-breaking drought in California has arisen from both extremely low precipitation and extremely warm temperature,” says Noah Diffenbaugh, associate professor of earth system science at Stanford University.  “In this new study, we find clear evidence that atmospheric patterns that look like what we’ve seen during this extreme drought have in fact become more common in recent decades.”

El Niño Helped, but no Panacea, as California Battles Drought

In the nine months since the effective date of California Gov. Jerry Brown’s mandate of a 25-percent reduction in water use in urban areas of the state, reports from the 400-plus suppliers of that water indicate they’ve fallen just short of the goal.

From June 2015 through February of this year, cumulative water savings among the urban suppliers totaled 23.9 percent, according to California’s State Water Resources Control Board.

 

Things to know: The next Step in California’s Drought

Some residents of drought-stricken California who let their lawns turn brown and took shorter showers could soon get some relief, while others may continue to feel the pain. In the coming months, state officials will undertake a monumental task of rewriting conservation orders for a fifth year of drought.

The challenge for state regulators will be treating millions of residents fairly, unlike the El Nino storms that soaked Northern California with considerably more rain and snow this winter than the drier Southern California.

El Nino-Induced Snow Proves to be ‘Disappointing’ for Drought-Stricken California

Much-needed mountain snow and rain returned to California this winter, but fell short of expectations amid a super El Niño.

The official snow season for California’s Sierra Nevada came to an end at the start of April on a below-normal note and one that AccuWeather Senior Meteorologist Ken Clark called “disappointing.” The amount of water stored in the snow for the entire mountain chain averaged 14 percent below normal on April 1, according to the California Cooperative Snow Surveys.

Drought-Stricken California Ponders Future of Conservation

Taking a regional approach to saving water in California’s drought, state regulators suggest relaxing or dropping conservation orders for El Nino-soaked Northern Californians, while keeping in place strict rules for residents of drier Southern California.

Officials on Monday will launch a discussion about the best approach to saving water as California’s drought modestly improves, but clearly hasn’t ended as it stretches into a fifth year.

Calif. Delta Smelt Lawsuit Tossed as Moot

A federal judge dismissed an environmental lawsuit challenging California’s now-dismantled emergency salinity barrier across a channel of the Sacramento-San Joaquin River Delta in response to the drought.
U.S. District Judge Lawrence O’Neill ruled on March 31 that the complaint from the Center for Environmental Science, Accuracy and Reliability (CESAR) is moot.
The 750-foot-wide rock barrier was built in May 2015 as a temporary fix to prevent additional saltwater from fouling freshwater supplies to approximately 25 million people, according to the defendant California Department of Water Resources.

California Drought Patterns Are Recurring… And ‘Triple R’ May Be To Blame

It looks like California will have to be extra resilient in the coming years, as a new study revealed that the recent droughts threatening the Golden State will become more common and will possibly bring more extreme dry spells in the future. This is due to a blocking ridge, dubbed the “Ridiculously Resilient Ridge,” that deflects storms from the state.

“The epic drought is far from over. These scientists show that the frequency of atmospheric circulation patterns that worsen drought conditions has increased over the long-term,” said Anjuli Bamzai.

California Water-Saving Rules to Ease, but Nobody’s Off the Hook

Poised to ease California’s mandatory drought rules after rebounding rain and snow levels this winter, state water officials on Monday made it clear that — even where reservoirs are 100 percent full — no community is likely to get an entirely free pass from conservation targets this summer.

“One average year does not mean that we can forget about saving water,” said Felicia Marcus, chairwoman of the State Water Resources Control Board. “We don’t want to let our guard down.”

Drought Still Grips Southern California, Keeping Pressure on State Water Supplies

El Niño has been little more than a cruel joke in Southern California this winter. The torrential rains haven’t materialized. Groundwater aquifers have been pumped to near-historic lows. A sizable reservoir two hours east of Los Angeles, built for $2 billion as drought insurance, is two-thirds empty, its boat launch closed.

“It’s actually been a shockingly bad year,” said Jeff Kightlinger, general manager of the Metropolitan Water District of Southern California, the umbrella agency that delivers water to much of the region.

 

BLOG: ENSO the Wet Season Ends (Almost)

March 2016 has been unusually wet, and quite a contrast to February.  The “Godzilla” El Nino this year has been a bit “Gonzo”, but overall has brought a welcome above average precipitation for northern California, after four solid drought years.  The unevenness of the precipitation is some concern, and the depth of remaining surface and subsurface storage drawdown from the drought remains sizable.

Annual precipitation and snowpack are now about average overall for California.  The largest reservoirs in northern California are in good shape, with sizable, about average, snowpacks waiting to trickle down in spring.