KOIN 6 Meteorologist Josh Cozart shares Portland's wintry mix, winter cold and sunshine, to an atmospheric river that's ...

A prolonged atmospheric river event is set to continue delivering moderate to heavy rain across the Pacific Northwest, with the Portland area bracing for a cold week ahead. Showers are expected to ...

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 ...

One such storm arrived in the Pacific Northwest over the weekend ... exactly one year ago, as a potent atmospheric river storm, the second in less than a week, doused the region.

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 ...

An atmospheric ... of an atmospheric river this week, the system won’t bring any moisture into drought-stricken Arizona. Parts of California and the Pacific Northwest could get up to a foot ...