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

Extreme precipitation events in Antarctica, which are mostly dominated by snowfall due to sub-zero temperatures, also include rainfall, according to new research.

“By Tuesday night, snow levels are expected to fall to around 3,000 to 4,000 feet in the southern Cascades, and 4,000 to 5,000 feet in the Sierra.” A third atmospheric river will buffet the ...

The first in what’s expected to be a series of three atmospheric river storms has arrived in ... But there is still the risk that heavy rainfall around recent burn areas could trigger dangerous ...

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.

A stronger atmospheric river is set to hit Northern California ... Rain could be slightly enhanced around mountain slopes, particularly around the Eaton fire and in some areas in western L.A ...

Snow levels are expected to come down a bit over the week as the atmospheric rivers and related warmth shift southward. To the north, mostly light snow fell around Seattle, although it coated ...

A strong atmospheric river is moving into Northern and Central California and is expected to bring consistent rain throughout the weekend, according to the National Weather Service. For the first ...