water at the mouth

On a recent sweltering weekday morning, environmental scientist Rosi Dagit waded into the murky water at the mouth of the Los Angeles River.

These columns of vapor move with the weather, carrying an amount of water vapor roughly equivalent to the average flow of water at the mouth of the Mississippi River.

A strong atmospheric river such as this event can transport an amount of water vapor that’s about equivalent to 7.5 to 15 times the average flow of water at the mouth of the Mississippi River, according to a National Oceanic and Atmospheric Administration fact sheet.

A strong atmospheric river can carry 7 ½ to 15 times the average flow of liquid water at the mouth of the Mississippi River.

A strong atmospheric river can carry 7½ to 15 times the average flow of liquid water at the mouth of the Mississippi River.