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

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

At atmospheric river continues to slam portions of California Tuesday, with multiple inches of rain expected until Wednesday ...

The Bay Area saw significant storm impacts Tuesday as an atmospheric river brought heavy rain, urban and river flooding, and ...

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

The spillway at Napa County’s Lake Berryessa reservoir — lovingly referred to as the Glory Hole — is active again after six years following this week’s atmospheric rivers, officials announced. The ...

Both reservoirs have been steadily rising since November, after the start of California's water year in October. A series of ...

A University of Hawaii at Mānoa study on the freezing of water droplets suspended in air sheds light on a key process in ...

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.