"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 ...

The first storm was forecast to linger into the weekend and produce an additional 6-12 inches of rainfall, the weather ...

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

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

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

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

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

A pair of back-to-back storms were forecast to dump heavy snow and rain over parts of the Pacific Northwest, northern ...

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 ...

SEATTLE (AP) — Northern California and the Pacific Northwest are bracing ... and lasting through Friday as the strongest atmospheric river — long plumes of moisture stretching far over the ...

The Northwest is bracing for a strong storm ... Weather Service says is the first major storm of the season. An atmospheric river and bomb cyclone are what make this storm so powerful — but ...