The past six months have proven to be a tale of two Californias when it comes to atmospheric river events. While Northern ...

Atmospheric rivers are more common during the winter months, but officials are warning people not to let their guard down.

A series of atmospheric river events during the winter and spring have caused reservoirs to swell to more than 118% than is ...

The Argo program collects data vital to global weather forecasting and developing seasonal scale forecasts like El Niño and La Niña, for producing drought forecasts across the U.S., and for mapping ...

Listen to Story In drought-stricken California, such storms have triggered mudslides In 2021, an atmospheric river dumped a month's worth of rain in two days The weather system occurs all over the ...

A view of the California drought map as of April 10, 2025.

Since February, marine rescue centers have been overwhelmed responding to sea lions, dolphins and birds found sick and dying ...

A new study reveals how an atmospheric river led to more devastation after two earthquakes hit Türkiye and Syria, ...

Atmospheric river storms are drought busters in California, dumping huge amounts of rain in narrow corridors within short periods of time. The ongoing storm slamming Los Angeles, the nation's ...

As atmospheric rivers pounded the U.S. West Coast last winter, scientists deployed increasingly advanced observing tools over ...

As of Friday morning, the American Global Forecast System (GFS) model had removed the storm from Northern California altogether ... by moisture from an atmospheric river. Heavy rain, snow and ...

Explainer-What Are Atmospheric Rivers and Why Do They Cause Flooding? (Reuters) -Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding ...