"The average atmospheric river carries an amount of water vapor roughly equivalent to the average flow of water at the mouth ...

Forecasters said a final round of rain, snow and high winds were targeting the Pacific Northwest and Northern California ...

A historically strong storm system with the strength of a hurricane whipped damaging winds through the Pacific Northwest ...

A developing storm system forecast to swing off the Oregon and Washington coastline on Friday will add to the region's ...

With millions of people preparing to travel for the Thanksgiving holiday, two strong storm systems are bringing high winds, ...

In the northern hemisphere, atmospheric rivers typically occur during winter and are often cited for strong storms in the ...

The first major storm of the season brought rain, snow and damaging winds to the California-Oregon region. Follow live ...

On Sunday, the National Weather Service issued a hydrologic outlook for much of Northwest Oregon and Southwest Washington.

A bomb cyclone occurs when a storm's pressure drops quickly, which intensifies the storm and ramps up wind gusts. Atmospheric ...

The weather will "produce an additional 6-12 inches of rainfall over regions with already saturated terrain," the National ...

Northern California and the Pacific Northwest are bracing for what is expected to be the strongest storm of the season so far, with heavy rain and winds set to pummel the region and potentially cause ...

The next storm is expected to approach the Pacific Northwest Tuesday night ... transport mechanisms of fresh water on Earth. The atmospheric river approaching the northern West Coast is set ...