The Pacific Northwest remained under an atmospheric river on Saturday, with the National Weather Service (NWS) issuing warnings for heavy rain , snow and gusty winds across several states.

"The Pacific Northwest will see the heaviest precipitation across the country as an atmospheric river and cold front are presently moving ashore," NWS said on Saturday.

Newsweek has reached out to the NWS for comment via email on Saturday.

Why It Matters

Atmospheric rivers are a "long, narrow region in the atmosphere—like rivers in the sky—that transport most of the water vapor outside of the tropics," according to the National Oceanic and Atmospheric Administration (NOAA).

The weather events often bring heavy snow and rain, as well as strong winds. They more commonly affect the West Coas

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