Places like California, Oregon, Washington, Idaho, Utah and Nevada are (somewhat) used to this sort of phenomenon. You can ...

The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?

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

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

The atmospheric river is being driven by a low pressure system midway between Hawaii and the West Coast, as well as a secondary low-pressure system offshore of the Pacific Northwest. Both are ...

Breakthrough materials that pull water from thin air could offer a sustainable solution to the West's worsening drought ...

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

Forecasts indicate that an atmospheric river will bring heavy rain and snowfall to much of the Pacific Northwest starting ...

An atmospheric river originating from near Hawaii known as a 'Pineapple Express,' will send copious amounts of moisture into a large portion of the Northwest and California into the new week, ...

Times of San Diego will send you the top local and state news at 8 a.m., 365 days a year. Sign up A resident walks along a flooded street, after “atmospheric river” rainstorms slammed northern ...

An atmospheric river is a long, narrow band of moisture that oftentimes comes ahead of a storm system. It's a big source of moisture for the Western U.S. and, specifically, the Sierra Nevada and ...