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Like Water Sloshing in a Giant Bathtub, El Niño Begins an Inevitable Retreat

A few weeks ago, the Australian Bureau of Meteorology declared that the Pacific Ocean is no longer in an El Niño state and has returned to “neutral.” American scientists at the National Oceanic and Atmospheric Administration have been more hesitant, but they estimate that there is an 85% chance that the Pacific will enter a neutral state in the next two months and a 60% chance that a La Niña event will begin by August.

California’s Wild Weather Continues, With Snowiest Day of the Year Recorded in May

A rare late season storm dumped nearly 2 feet of snow on some regions of Northern California over the weekend, breaking at least one daily snowfall record.

Atmospheric Rivers in California’s Ancient Past Exceeded Modern Storms

Clarke Knight studies just how far back in history, massive atmospheric river storms wreaked havoc on California.

As Storms Arrive in California, Reservoirs Are in Good Shape. But the Water Forecast is Murky

As forecasts tease California with rainstorms this week, the state’s reservoirs are already flush with water.

It’s a big departure from a year ago: The state’s major reservoirs — which store water collected mostly from rivers in the northern portion of the state — are in good shape, with levels at 124% of average.

Officials Hope New Flood Strategies Can Help the Sacramento Region Handle an Unpredictable Winter

About seven miles from the Sacramento International Airport, crews are putting the finishing touches on a project meant to provide massive flood relief to a wide swath of the Sacramento region during intense storms.

California Water Agencies Announce Conservation Plans to Ease Strains on Colorado River

The Biden administration has announced new water-saving agreements with California water agencies intended to shore up supplies on the overburdened Colorado River.

L.A. County Aims to Collect Billions More Gallons of Local Water by 2045

Over the next two decades, Los Angeles County will collect billions more gallons in water from local sources, especially storm and reclaimed water, shifting from its reliance on other region’s water supplies as the effects of climate change make such efforts less reliable and more expensive.

What an El Niño Winter Could Mean for California

Odds are that this winter’s going to be a wet one. The intermittent climate phenomenon known as El Niño, which typically means more rain and snow for California, developed over the summer and is expected to intensify in the next few months. And this year’s El Niño is predicted to be an exceptionally strong one — maybe even ranking in the top five on record, according to Daniel Swain, a climate scientist at U.C.L.A.

Summit Tackles Water Challenges Facing California

Below-average precipitation and snowpack during 2020-22 and depleted surface and groundwater supplies pushed California into a drought emergency that brought curtailment orders and calls for modernizing water rights.

Regional Emergency Managers Discuss Winter Outlook

There was a time when meteorologists could predict whether winter would be mild, moderate or severe.  That information helped emergency managers plan ahead and get resources ready to fit the forecast and try to avoid a disaster.

Now, it’s difficult to predict the weather for more than 10 days at a time, said Stephen Rea, assistant director for the San Diego County Office of Emergency Services at a regional Winter Weather Workshop for local jurisdictions Tuesday in Kearny Mesa.