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

An atmospheric river is pounding Northern California with heavy rain and the threat of flooding before heading to Southern California.

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

The wet weather fueled by an atmospheric river comes after a dry January helped ignite fires that devastated California. Here ...

While a stationary atmospheric river dumps rain and snow in northern and central California this week, areas south of Los Angeles, including San Diego, will get significantly less precipitation.

The storm brought heavy rain and high-elevation snowfall to Northern California over the weekend, and a similar one is ...

The atmospheric river in the Bay Area is intensifying Tuesday with heavy downpours and strong winds that will lead to flooding and downed trees. Here's when the worst of it will be.

Mon, February 3, 2025 at 8:34 AM UTC ...

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...