Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, triggering evacuation ...

A Pineapple Express forms when the jet stream dips south into the tropical Pacific near Hawaii, scooping up warm, moist air ...

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

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

Malibu’s Pacific Coast Highway, which just reopened after last month’s devastating Palisades Fire, is closing again Tuesday ...

Hang onto your umbrellas: An “impressive” atmospheric river is set to deliver ... A plume of moisture from the South Pacific, near the vicinity of Hawaii, has been producing steady ...

Impact from a moisture-laden storm is expected to persist in the San Francisco Bay Area through Friday, with more rain likely ...

The first in what’s expected to be a series of three atmospheric ... river flows and some amount of rock slides,” Schoenfeld said. “If it happened to wobble a little more to the south ...

Meanwhile, as the current atmospheric river tapers off Wednesday in the north, beneficial rain will move south into the wildfire ... This is more of a traditional Pacific storm than an atmospheric ...

An atmospheric river is a weather feature that can be ... But ARs also happen over the Atlantic and South Pacific Oceans, often affecting parts of the Caribbean, eastern U.S., southern South ...