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

An atmospheric river event is forecast to rainfall, snow, and the potential for flooding to parts of California this week.

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

The latest NWS forecast says an atmospheric river remains on track to deliver as much as 2 inches of rain in Fresno on ...

The biggest storm of the winter, packing a firehose of rain across much of California, will trigger flooding, mudslides and road closures that may put lives and property at risk during the latter part ...

Rainy conditions are expected to begin sometime Wednesday, and the National Weather Service has already issued a flash flood ...

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

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

Another atmospheric river storm is barreling toward the Bay Area this week, bringing “excessive rainfall” that could lead to ...

An atmospheric river barreling for California could drop between 1 and 2 inches of rain on Fresno and surrounding communities ...

About 2 to 3 inches are expected to fall across most of the North Bay, but the coastal mountains in Sonma County could get up to 4 inches.