El Niño and La Niña are climate phenomena that are generally associated with wetter and drier winter conditions in the Southwestern United States, respectively. In 2023, however, a La Niña year proved ...

Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land. Atmospheric rivers generally form in tropical regions, where warm temperatures can ...

What Exactly Is an Atmospheric River? Think of atmospheric rivers as narrow regions in the atmosphere that transport water vapor, with the average one carrying an amount roughly equivalent to the ...

SEATTLE — What's an atmospheric river? And how is it different from a bomb cyclone? And how is it related to a Pineapple Express? These questions are top of mind as an atmospheric river is impacting ...

Rivers are supposed to follow gravity, flowing from higher ground to lower ground in one clear direction. Yet around the world, there are rare moments when rivers behave unexpectedly and start flowing ...