Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

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

Officials in California distributed sandbags, prepositioned rescue swimmers and told residents to have their go-bags ready as ...

Heavy snow and freezing rain caused hundreds of crashes in Virginia and left tens of thousands of residents in the dark as ...

Snow, sleet and freezing rain were expected to continue pummeling the central Appalachians and mid-Atlantic states Wednesday, ...

Track and field moved toward adopting rules that would place athletes assigned female at birth but have higher testosterone ...

SAN FRANCISCO – A series of "atmospheric river" storms aimed at Northern California have already caused flooding, downed trees, landslides and at least one house on a scenic river to slide into ...

The second atmospheric river in a pair of storms will bring more rain and cooler temperatures to the Los Angeles area. The National Weather Service said the region will continue to have drizzle or ...

SAN FRANCISCO (KRON) — Thursday brings another round of rain as the next atmospheric river system arrives in the Bay Area. Low pressure and associated fronts will move over the region ...

After months of extremely dry conditions in Southern California, an atmospheric river storm delivered much-needed rain to a region plagued by wildfires in January. Scattered showers fell across ...

The atmospheric river has made its way to Southern California, drawing flooding concerns and possible mudslide fears for areas badly hit by the Eaton and Palisades fires.

U.S. Senators Alex Padilla (D-Calif.) and Lisa Murkowski (R-Alaska) have announced bipartisan legislation that will reduce flood risks and bolster emergency preparedness by improving atmospheric river ...