What is the connection between an atmospheric river and the pineapple express?

An atmospheric river is a long, narrow plume of moisture that travels from the ocean over the land. They are one source of heavy precipitation during the winter months on the west coast of the US. Check out this video on atmospheric rivers for a cool visual: Atmospheric River Animation; January 2017 (Credit: NOAA/ESRL/PSD) So … Continue reading What is the connection between an atmospheric river and the pineapple express?