Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily ...

The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into ...

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

After weeks of dry weather, an atmospheric river event begins Friday, kicking off a dramatic flip in the forecast for Lake ...

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

Another storm will impact Northern California starting Thursday morning. That event is forecast to be somewhat less impactful ...

This second event comes on the heels of a "Pineapple Express" atmospheric river event over the weekend that has pushed rainfall totals to more than 3 inches across the hills north of the Bay Area ...

An incoming atmospheric river shows the potential for several inches of rain, following months of below average rainfall.

A Pineapple Express is expected to produce heavy amounts of rain and snow in Northern California over the next week.

This second event comes on the heels of a "Pineapple Express" atmospheric river event over the weekend that has pushed rainfall totals to more than 3 inches across the hills north of the Bay Area ...

After a relatively weak storm expected to arrive in L.A. late Thursday, forecasters say a potentially more powerful storm ...