Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

What is a Pineapple Express? It's a type of atmospheric river that forms a long, narrow tract in the Earth’s atmosphere. This jet stream gathers moisture from the tropics near the equator and ...

SAN FRANCISCO – A series of three atmospheric river storms are soaking Northern California this weekend and into the week ahead in the form of valley rain and mountain snow, with the potential ...

After an unusually dry January, a powerful atmospheric river known as the ‘Pineapple Express’ is set to bring heavy rain, snow, and strong winds to central and northern California over the coming days ...

You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?

"The Pineapple Express is an atmospheric river which has its origin in the tropical Pacific," said AccuWeather Senior Meteorologist Alex Sosnowski. Since the pineapple express starts thousands of ...

SAN FRANCISCO – A series of three atmospheric river storms are soaking Northern California this weekend and into ... Forecasters say because the air mass originates near Hawaii, which is commonly ...

SAN FRANCISCO – A series of three atmospheric river storms are soaking Northern California this weekend and into the week ahead in the form of valley rain and mountain snow, with the potential for ...