Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.

According to the National Oceanic and Atmospheric Administration, a "Pineapple Express" storm is a type of atmospheric river that transports moisture from the tropics to the northern areas of the ...

what is a pineapple express? It is a nickname for a strong atmospheric river in the tropical Pacific near Hawaii. WHERE DID THE TERM ATMOSPHERIC RIVER COME FROM?

Under the right wind conditions, moisture-rich air from tropical regions near the equator ... including the U.S. West Coast. Pineapple Express is an older term that describes something a bit ...

transporting much of the moisture from the tropics to northern latitudes. They occur globally but are especially significant on the West Coast of the United States, where they create 30% to 50% of ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, transporting much of the moisture from the tropics to northern latitudes.

transporting much of the moisture from the tropics to northern latitudes. They occur globally but are especially significant on the West Coast of the United States, where they create 30% to 50% of ...