Thanksgiving weather: What is an atmospheric river?

The atmospheric river is causing weather problems on the west coast.

[ElkoJohn]

Thank you for this clear explanation on how the low pressure system, atmospheric river,
and moisture from the warm Pacific Ocean work together.

[corvette]

It’s called a cold front. It’s called rain. It’s called fall and winter. Stop trying to rename stuff that has been happening for as long as the earth has existed. It makes you sound like a fool not smarter.

[cjmerobot]

Pick me pick me!!! It means it will rain.

[markm]

Its that river of nanometals that come out behind NOAA jets.

[oldhawker]

people can"t you understand one commercial jet cause the same as ten of 1, 000 cars to upper atmosphere with nothing to stop it why don"t you see it