El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

A potent winter storm is threatening a mix of significant freezing rain and accumulating snow across a swath of the Pacific Northwest - including the Portland area - on Thursday, bringing warnings of ...

Ahead of the storm’s arrival, officials in Southern California distributed sandbags, prepositioned rescue swimmers and told ...

After a few overperforming systems that benefitted Utah’s northern half, an incoming atmospheric river is slated to blast all ...

An atmospheric river storm brought heavy rain and high winds to San Luis Obispo County on Thursday — causing flooding and ...

It's a type of atmospheric river that forms a long ... In the West, atmospheric rivers approach from the Pacific Ocean, where they’ve collected tremendous amounts of water.

the atmospheric river is expected to "gradually settle southward through the middle of the week as multiple waves of low pressure traverse the front and bring strong Pacific moisture transport ...

Weather researchers prepare to launch a radiosonde on a weather balloon into the sky Monday, Feb. 3, 2025, amid several waves of an atmospheric river that ... 2023 over the Pacific Ocean.

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...