A rare atmospheric river is hitting a large portion of the Midwestern and Southern U.S. this week, causing significant floods.

When a bomb cyclone meets an atmospheric river, the result is like an out-of-control fire hose A powerful storm hitting the West Coast combines these weather phenomena for a wet week in many areas.

An ongoing atmospheric river is bringing a winter storm with ... is expected to reach 2 inches in some parts of the region. For example, 2.18 inches of rain is expected in Pine Mountain between ...

For example, in Southern California ... “We know the reason [in 2023] was atmospheric river activity … so we looked at other years to determine how unique that year was,” said Rosa Luna ...