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A Marine Heat Wave Off California Helped Fuel Hurricane Hilary. What’ll it Do Next?

Last week, a massive marine heat wave sitting roughly 60 miles off California’s coast oozed eastward, providing warm water fuel for Hurricane Hilary and its historic trek north. It was a worrisome development for researchers who have monitored this warm mass for nearly a decade — and who are watching a developing El Niño in the equatorial Pacific.

California Farmers: Glen Canyon Dam a Major Problem in West’s Water Supply

California farmers are putting a big target on Glen Canyon Dam, telling the federal government it’s time to take a serious look at suggestions to stop using the dam to produce electricity. Talk of decommissioning the dam has been on the fringe of criticism of U.S. Bureau of Reclamation management of the Colorado River, but it could gain momentum as public comment is released in the coming days.

Opinion: Are the Rains Helping Lake Mead? What the Question Says About Our Water Outlook

You can understand our optimism. It hadn’t rained in Phoenix for four months. Other parts of the West were hot and dry. Then came the big one: Hurricane Hilary. While rainfall totals were disappointing in Phoenix, the storm did dump quite a few inches on California and Nevada. Areas near Lake Mead got pelted, leading a bunch of folks to presume that the nation’s largest water reservoir would get a decent boost from the rainfall. But that’s not how it works.

California is Working on Solutions to Worsening Climate Change. Will They Be Enough?

In the opening chapter of “The Ministry for the Future,” science-fiction author Kim Stanley Robinson details a calamitous heat wave that kills almost all the residents of a small town. In another chapter, he imagines a catastrophic flood that wipes out Los Angeles.

The late Octavia Butler described a Southern California reeling from years of drought in “Parable of the Sower,” and Paolo Bacigalupi writes about a near-future Southwest that’s also been devastated by drought.

California Seeks to Introduce Purified Wastewater to Drinking Supplies

Earlier this summer, state water officials introduced draft regulations that, if passed, would allow purified wastewater to be directly introduced to drinking supplies.

Currently, purified wastewater has to be introduced to environmental buffers like groundwater aquifers before being added to drinking supplies, but the new regulations would allow treated water to bypass this step after undergoing additional purification processes.

Coastal Areas Will Face Record ‘Sunny Day’ Flooding in 2024 — NOAA

Eight locations along the nation’s Atlantic and Pacific coasts experienced a record surge in high-tide flooding days last year, a trend intensified by rising sea levels and weather patterns that El Niño is expected to escalate in 2024, NOAA said Tuesday.

Coastal communities are expected to face three times as many high-tide, or “sunny day,” flooding instances through next April, compared to two decades ago, agency officials said in a press call.

Multiyear El Niño and La Niña Events Likely to Increase, Researchers Say

Climate scientists are bracing for potentially lengthy El Niño and La Niña events, according to a new study revealing how the underlying mechanism for climate variability is responding to increased greenhouse gas emissions in unpredicted ways and inducing El Niño-like conditions after volcanic eruptions.

The research published in Nature Wednesday details recently discovered trends of the “Pacific Walker Circulation,” (PWC) an atmospheric phenomenon relating to east-west circulation along the equatorial Pacific.

Colorado River Basin States Stake Out Positions on the Future of Mead, Powell Reservoirs

Colorado River Basin states don’t agree on very much when it comes to the future operations of the basin’s largest water savings banks. One thing they do agree on: The current rules aren’t working.

California Considers Permanent Ban on Watering Grass at Businesses, Even in Non-Drought Years

California’s most-recent drought is over. Reservoirs are full. Ski season lasted until July.

But despite the wet winter, an effort is gaining momentum in the state capitol to add manicured green grass to the list of business trappings — like fax machines, pagers and typewriters — that have become obsolete in a changing world.

Did Tropical Storm Hilary Have an Impact on California’s Water Supply?

Tropical Storm Hilary swept over the Golden State on Sunday, bringing a massive amount of precipitation along with during what is normally the driest time of the year, when wildfires are always a looming issue. The record-breaking rains left a trail of floods, mudslides and debris flows in their wake, with parts of Southern California left to pick up the pieces to start the new week. But, did the storm actually do anything to impact the state’s water supply?