DWR Climate Change Blog

We would like to share our experiences with the communities we work with to advance climate change science, adaptation and mitigation. Connections result in strengthening relationships and developing strategies for water management in the State with regard to a changing climate.

Blogs

Very little snow remains on the ground for the California Department of Water Resources' fourth snow survey of the 2022 season at Phillips Station in the Sierra Nevada Mountains. The survey is held approximately 90 miles east of Sacramento off Highway 50 in El Dorado County.

On April 8, DWR published the Bulletin 120 and Water Supply Index (WSI) forecast update. The Bulletin 120 is a key tool for water managers across the state to understand how the melting Sierra Nevada snowpack will reach streams, rivers and eventually California reservoirs. The forecast also has important legal impacts for water rights holders acros ...

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thermalito pumping generating powerplant

DWR took another step in its ambitious efforts to reduce climate change impacts by replacing an old electricity-generating turbine with a new, energy efficient model at the Ronald B. Robie Thermalito Pumping-Generating Powerplant in Butte County that will help the Department achieve its goal of using 100 percent zero-emission resources by 2045.

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Snow runoff in a Sierra Nevada mountain stream

To adapt to intensifying extremes, federal, state, and local governments must be proactive in analyzing how climate change may impact California’s natural resources – as well as people and property. In a step to toward that goal, DWR released “Moving to Action”, a call for essential partnerships, planning, and collaboration with state, federal, and ...

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image of Elissa Linn

“Pineapple Express” or “Atmospheric River” are terms you may hear often. But what do they mean, really? DWR Climate Change Program Section Chief, Elissa Lynn, gave a presentation on DWR’s Water Wednesdays live educational series where she discussed these storm systems, what they mean for California, and their impact on the state’s water reservoirs ...

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Sierra Nevada Mountains with snow -- photo taken April 30, 2020

California has the most variable weather conditions in the United States, often varying between extremes such as drought and flood. Our ability to forecast variable weather conditions well in advance is a driving factor in how water managers maximize the benefits and minimize the hazards of each storm.

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