Successive storms to impact U.S. West Coast with rain and snow
Two atmospheric rivers (ARs) along with a low-pressure system are forecast to bring significant precipitation to much of the U.S. West Coast from March 8 to 14, 2025.
Atmospheric river forecast to make landfall over the Pacific Northwest on February 22
A new atmospheric river (AR) forming over the Pacific Ocean is forecast to make landfall over the Pacific Northwest early on Saturday, February 22, 2025, and continue affecting the region through Sunday, February 23.
Flash Flood Watch issued for Los Angeles ahead of strong atmospheric river, California
A Flash Flood Watch has been issued for Los Angeles through Thursday, February 13, 2025, ahead of the atmospheric river forecast to bring heavy rainfall to the region.
Strong atmospheric river to impact California with heavy rain and mountain snow
A strong atmospheric river (AR) associated with a low-pressure system is set to impact California from Wednesday into Thursday, February 12 to 14, bringing heavy rain, mountain snow, and potential flooding. The National Weather Service (NWS) warns of significant precipitation and winter storm conditions, particularly in the Sierra Nevada and coastal mountain ranges.
Freeze warnings and frost advisories issued for Bay Area as new atmospheric river approaches California
A strong atmospheric river (AR) is forecast to bring heavy rainfall and colder temperatures across California this week starting Tuesday night, February 11, 2025, with the heaviest precipitation expected in southwestern parts of the state through Thursday, February 13.
Heavy rains set new records in San Francisco, triggering floods and landslides, California
Two atmospheric rivers have battered the U.S. West Coast since January 31, 2025, bringing record rainfall to San Francisco and triggering landslides and flooding across California. At least one person was hospitalized.
Atmospheric river brings renewed threat of debris flows and flash floods near burn scars in California
A strong atmospheric river (AR) is set to bring heavy rainfall to northern California starting Sunday, February 2, 2025, with forecasts indicating up to 380 mm (15 inches) in the Sierra Nevada, increasing the risk of flash floods and debris flows near the burn scars.
Heavy rainfall expected as second atmospheric river impacts Southern Oregon and Northern California
Cape Blanco stands in the crosshairs of AR3-level conditions today, as Southern Oregon and Northern California prepare for significant rain and rising flood risks.
Santa Cruz Wharf collapses, one fatality reported as atmospheric rivers make way to Northern California
Powerful waves from a series of atmospheric rivers caused the Santa Cruz Wharf to collapse, claimed the life of a man at Sunset State Beach, and left another missing at Marina State Beach on Monday, December 23, 2024.
Four atmospheric rivers to bring heavy rainfall and flood risks to the Pacific Coast
A series of atmospheric rivers (ARs) is set to impact the Pacific Northwest and Northern California over the next seven days, with heavy precipitation and potential flooding expected across the region.
