The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

An atmospheric river is expected to bring three major storms with significant rain, snow and wind to Northern Nevada for the next several days. But what is an atmospheric river? Here's a look at ...

The Bay Area will see significant storm impacts Tuesday as an atmospheric river brings heavy rain, urban and river flooding, ...

One atmospheric river is already affecting the West right now, and at least two more are forecast to impact next week. The systems, each corridors of deep tropical moisture transported to ...