A series of atmospheric rivers is expected to bring significant rainfall to Shasta County over the Christmas holiday. These weather systems are a major source of extreme rain and snow for the Western ...

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 ...

A parade of Pacific storms, accompanied by atmospheric rivers, will continue to march into the West Coast, bringing a threat of more rain. For the very latest forecast and storm recaps, click here.

Atmospheric rivers are long, narrow corridors of concentrated water vapor in the atmosphere that transport vast amounts of moisture from the tropics toward mid-latitude and polar regions. These ...

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 ...

A global effort to better understand moisture-laden rivers in the sky, like those currently battering the West Coast, will take flight in January. By Eric Niiler Reporting from the annual meeting of ...

The moisture from this storm system will help two fast-moving winter storms spread snow across the eastern U.S., with another atmospheric river on its way. Reading time 3 minutes An atmospheric river ...

Western parts of the Pacific Northwestare facing flooding after an atmospheric river moved over the region. On Tuesday, Dec. 9, Washington and Oregon saw heavy rain that impacted local waterways, ...

There are already at least four rivers in Washington at major flood stage. At least four rivers in Washington state are now at major flood stage -- the highest level -- and 11 others are forecast to ...

Oregon is experiencing two atmospheric river surges, bringing heavy rain and strong winds through the middle of the week. The weather event is expected to cause rising rivers and potential flooding, ...