Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another ...

The earlier 2018 study was called “ARkStorm,” nodding to Noah’s biblical flood and atmospheric rivers generally. The report ...

A new atmospheric river will bring a new rainstorm to the Los Angeles area in the middle of the week, forecasters say.

A major atmospheric river storm is barreling toward California, raising the specter of damaging landslides and flooding ...

A third massive storm is predicted to slam into Southern California this week, prompting officials to warn residents to ...

A 2019 infrastructure report card gave the state’s levees a "D," citing that despite significant investments, much more work ...

California's levees are a crucial part of its infrastructure, but many of them are in poor condition and not well-maintained, leaving them vulnerable to failure in the event of heavy rainfall or ...

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

Governor Newsom announced that Cal OES was monitoring weather impacts and working closely with local areas that were ...

Heavy rain is hitting the Bay Area and coastal areas this week as an atmospheric river moves through Northern California.

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.