El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the ...

A massive amount of rainwater and mud was unleashed onto Pacific Coast Highway on Thursday, sweeping an L.A. Fire Department ...

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

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas ...

The Bay Area saw significant storm impacts Tuesday as an atmospheric river brought heavy rain, urban and river flooding, and ...

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 ...

Another atmospheric river is expected to bring heavy rain to most parts of California this week, raising concerns over flooding on the heels of an earlier system that broke daily rainfall records ...

Weather researchers prepare to launch a radiosonde on a weather balloon into the sky Monday, Feb. 3, 2025, amid several waves of an atmospheric river that brought several inches of rain to the ...