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

The storm system that cut a path from Kentucky to Maryland and points farther north on Tuesday brought more than 14 inches ...

The weather phenomena are common for California winters, but they could cause dangerous debris flows or mudslides in recently ...

An atmospheric river is a long, narrow band of moisture that oftentimes comes ahead of a storm system. It's a big source of moisture for the Western U.S. and, specifically, the Sierra Nevada and ...

An atmospheric river gathers moisture from the tropics and moves it inland ... Those hoping for moisture in Arizona from ...

The atmospheric river is being driven by a low pressure system midway between Hawaii and the West Coast, as well as a secondary low-pressure system offshore of the Pacific Northwest. Both are ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

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 ...

The remnants of an "atmospheric river" will move across Arizona Friday into the weekend, but most of the river's flow will ...

An atmospheric river originating from near Hawaii known as a 'Pineapple Express,' will send copious amounts of moisture into a large portion of the Northwest and California into the new week, ...