Heavy precipitation is falling mostly in mountain areas. A flood watch in also in effect for the coast of central California, ...

In the northern Sierra Nevada, snow will fall in feet — not inches. And in the Northern California Coastal Range, a general 5 ...

An atmospheric river is essentially a narrow band of Pacific moisture, water vapor, that is funneled into a long narrow flow.

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

While the wet weather may bring an end to a devastating run of wildfires in the state, it could also cause flooding and other hazards.

Both are swirling counterclockwise, sweeping robust moisture along from the central tropical Pacific and slingshotting it nearly 3,000 miles to the northeast. The ongoing atmospheric river will be ...

Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.

Climate change has amplified the intensity and frequency of atmospheric rivers, because warmer air holds more moisture.

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