An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week. What is a Pineapple Express? It's a type of ...

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...

That can quickly prompt melting, runoff and flooding and decrease the snowpack needed for California’s water supply. What is a pineapple express? It is a nickname for a strong atmospheric river ...