A high-end atmospheric river continued to pound Northern California on Friday on the tail end of a historic bomb cyclone.

The heavy precipitation is due to an atmospheric river, which can carry more water than the Mississippi River. Blizzard conditions are expected in the Cascades and far northern California due to ...

The average atmospheric river carries an amount of water vapor roughly equivalent to the average flow of water at the mouth of the Mississippi River. Exceptionally strong atmospheric rivers can ...