An atmospheric river, low pressure system and wildfire burn scars are a volatile mix for southern California this Christmas.

Explore atmospheric rivers, their origins, impacts on weather, and significance for precipitation and water supplies.

In recent decades, atmospheric rivers that carry water vapor high above Earth’s surface have shifted position, a change that ...

While they occur worldwide, atmospheric rivers are especially significant along the West Coast of the United States, contributing 30 to 50 per cent of the region’s annual precipitation. They are vital ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Qian Cao, University of California, San Diego (THE CONVERSATION) Along the U.S. West ...

Atmospheric rivers are massive plumes of moisture carried across the sky that can dump heavy rains or snow over land. Here’s ...

Another atmospheric river is forecast to drench the Bay Area beginning Tuesday evening and lasting through Christmas, ...

As a strong atmospheric river targets the Pacific Northwest, these questions are top of mind, according to the National Weather Service. Some areas have already received upwards or 7 or 8 inches of ...

Southern California is bracing for an atmospheric river that could bring flash floods to the region, triggering evacuation warnings in steep terrain and areas ravaged by wildfires earlier this year. A ...

WASHINGTON STATE — "Why do you keep calling this an 'atmospheric river?' It's just Seattle rain!" "It's supposed to rain in December!" "I remember when this was just called the 'Pineapple Express'!" ...

A powerful atmospheric river storm has killed at least six people in California. Evacuation orders are in effect for areas recently affected by wildfires due to increased flood and mudslide risks. An ...

The Atmospheric River Reconnaissance program joins forces with research programs across the world to improve forecasts of extreme weather events “We know that better measurements of atmospheric rivers ...