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.
A Pineapple Express is an atmospheric river that originates near Hawaii. "What stands out about this Pineapple Express is the duration," AccuWeather meteorologist Heather Zehr told USA TODAY.
A pineapple express is a type of strong atmospheric river that carries moisture towards the western U.S. causing the risk of flooding and heavy snow.
A Pineapple Express is an atmospheric river that originates near Hawaii. "What stands out about this Pineapple Express is the ...