As the rainy season begins in California, so too does the potential for dangerous flash flooding. … California agencies are using a new computer monitoring tool to understand ground conditions in real-time, including areas burned by wildfire.
Fresh stands of cottonwood and willow trees rising in the Colorado River Delta are evidence of the lasting environmental benefits an eight-week “pulse flow” of water deliveries to the area more than two years ago, according to a newly released report by U.S. and Mexican scientists.
Six inches of rain fell in South Lake Tahoe, reported US National Weather Service in Reno, translating to a deposit of roughly 33,660 acre-feet of water, or 11 billion gallons, to Lake Tahoe. … Despite the much-needed rainfall, the lake level still remains around 2.5 inches below the natural rim of 6,223 feet.
Four hydroelectric dams may soon be demolished along the Klamath, near the California-Oregon border. … What’s made this possible is compromise, forged over years of negotiation, among upriver and downriver interests, in California and Oregon, farmers and tribes and fishery advocates.
Back-to-back bouts of rain that began Monday will make for an unusually wet week leading up to Halloween, said forecasters who are beginning to grow concerned about potential flooding this winter in fire-scorched areas.
A weakening cold front stalled out across the northern third of California early this morning, according to the National Weather Service. When the front hesitated, the Feather River Basin accumulated about 2.5 inches of rainfall overnight.
A company that has trained dogs to recognize the smell of human fecal bacteria has been sniffing out sources of water pollution nationwide, discovering broken sewer pipes, leaking septic tanks and illegal sewage discharges, to the delight of environmental groups and government agencies.
For the first time in more than 60 years, year-round flows are expected to return to a section of the San Joaquin River by the end of October, The Associated Press reported over the weekend. … Tickets are still available for our Nov. 2-3 San Joaquin River Restoration Tour, a once-a-year educational opportunity to see the program’s progress first-hand.The tour begins and ends in Fresno with an overnight stay in Los Banos.
Jan Null was the lead forecaster at the National Weather Service’s offices in Redwood City, California, at the time of the fire. … Reveal from The Center for Investigative Reporting asked him about the role weather played in the 1991 firestorm.
Importantly, Sites Reservoir is not a traditional water storage project. It is a 21st century water management project that looks to California’s future by regulating and storing water to serve various beneficial purposes at critical times–water needed for cities and rural communities, farms, fish, birds and recreation.
Flood and fire officials from the California Department of Water Resources (DWR), CAL FIRE and the National Weather Service (NWS) warn that weather and land conditions across California increase the potential for flash flooding during the rainy season now under way. Five years of drought conditions have exacerbated wildfires across the state. Rain is beginning to fall on fire burn scars, making these areas prone to sudden erosion along roads and through neighborhoods.
A decade ago, environmentalists and the federal government agreed to revive a 150-mile stretch of California’s second-longest river, an ambitious effort aimed at allowing salmon again to swim up to the Sierra Nevada foothills to spawn.
Water users in San Francisco and its suburbs face a day of reckoning as state regulators move to leave more water in California’s two biggest rivers in an effort to halt a collapse in the native ecosystem of the San Francisco Bay and its estuary, the Sacramento-San Joaquin River Delta.