U.S. Winter Outlook: Drier, warmer South, wetter North with return of…

NOAA — Above-average temperatures are favored across the South and most of the eastern U.S. as La Nina climate conditions have emerged for the second winter in a row according to NOAA’s Climate Prediction Center — a division of the National Weather Service. In NOAA’s 2021 Winter Outlook — which extends from December 2021 through February 2022 — wetter-than-average conditions are Read More…

What is a ‘bomb cyclone’ or bombogenesis? One is headed to…

Sacramento Bee — Over the weekend and during the start of next week, Northern California can expect some storms — and a “bomb cyclone.” But what exactly does that mean? Also known as bombogenesis, according to the National Oceanic and Atmospheric Administration, a bomb cyclone is when a midlatitude cyclone quickly intensifies over 24 hours. Within that time, it drops at least 24 Read More…

It will take more than rain to end drought in Western U.S.

Danville Register and Bee — Californians rejoiced this week when big drops of water started falling from the sky for the first time in any measurable way since the spring, an annual soaking that heralds the start of the rainy season following some of the hottest and driest months on record. But as the rain was beginning to fall on Tuesday night, Gov. Gavin Newsom did a curious Read More…

Level 5 atmospheric river to unleash flooding across drought-stricken…

Erie News Now — After nearly a year without rain, a series of potent Pacific storms are directed at Northern California this week, potentially bringing as much as a foot of rainfall and up to three feet of snow in the Sierra Nevada. Supercharged by a classic atmospheric river pattern, the storms could lead to flash floods and dangerous debris flows in a wide swath of the Read More…

Newsom declares drought emergency across California

CalMatters — Gov. Gavin Newsom today declared a drought emergency for the entire state of California, as conservation efforts continue to fall far short of state targets. Newsom also authorized California’s water regulators to ban wasteful water use, such as spraying down public sidewalks, and directed his Office of Emergency Services to fund drinking water as needed. But he stopped Read More…

8 feet of snow? Storm train could deal deathblow to wildfire season

AccuWeather — A beast of a bomb cyclone will take shape just off the coast of the northwestern United States and western Canada later this week, and AccuWeather forecasters say it will rival, in some aspects, the intensity of strong hurricanes from the Atlantic this season. The powerful storm will bring dangerous and damaging impacts up and down the West Coast, but the precipitation it Read More…

UC Davis to Lead Groundwater and Irrigated Agriculture Sustainability…

UC Davis — Researchers from the University of California, Davis, have been awarded a $10 million grant by the U.S. Department of Agriculture’s National Institute of Food and Agriculture to find ways to sustain irrigated agriculture while improving groundwater quantity and quality in the Southwest under a changing climate. Isaya Kisekka, associate professor of agrohydrology and Read More…

Satellites reveal the secrets of water-guzzling farms in California

NPR — In a new push to stop further depletion of California's shrinking aquifers, state regulators are turning to technology once used to count Soviet missile silos during the Cold War: satellites. Historically, California's farmers could pump as much as they wanted from their wells. But as a consequence of that unrestricted use, the underground water table has sunk by hundreds of feet in Read More…

California, Northwest Drought Relief Ahead from Pacific Atmospheric…

Weather Channel — A parade of Pacific storm systems will bring soaking rain and some mountain snow to drought-stricken California and the West Coast, but could also trigger dangerous debris flows over recent areas burned by wildfires. Last weekend, a weak Pacific frontal system ended a record-long dry streak in Sacramento, and shut down Interstate 80 for a time due to snow and Read More…

Why is the Napa River so dry, panel asks?

Napa Valley Register — Napa River is bone-dry in stretches and some have voiced the controversial claim that groundwater pumping amid a deep, two-year drought is partly to blame. That’s the backdrop against which Napa County is crafting a state-required Napa Valley groundwater plan. Twenty-five people from the wine industry, environmental community and other sectors are on an Read More…