Given that the weather phenomenon can override others such as El Niño and La Niña, researchers at the Scripps Institution of ...

The California Department of Water Resources says that this approach, known as the Forecast-Informed Reservoir Operations, or ...

A storm system, fueled by unseasonably warm air, could unleash significant tornado activity along the Middle and Lower ...

Using historical forecasts, reservoir storage and river flow data, scientists found that FIRO, combined with a planned second spillway at New Bullards Bar, could provide additional flood storage ...

A significant storm system makes its way into Montana for St. Patrick's Day weekend. Significant mountain snow with a wintry mix in lower elevations is expected.

The latest atmospheric river arrived on Wednesday in the Bay Area with damaging winds bringing down trees, the threat of thunderstorms, and possible snow in the highest peaks.

A mid-week atmospheric river is expected to blanket the Sierra Nevada in snow while drenching cities throughout California, ...

Spring break travel, St. Patrick's Day, and other weekend plans may be impacted by wet weather on Saturday and Sunday.

The storm is set to bring heavy snow, heavy rain and strong winds across the Golden State through Thursday night.

A weak atmospheric river will bring in moisture by Sunday. Sunday looks like the day we get the brunt of the storm, but we ...