An atmospheric river gets a rating of AR-1 to AR-5 based on the amount of moisture and the duration of the event with AR-1 being the weakest and least threatening. 6. Are there any benefits to ...

Atmospheric rivers are rivers of water vapors low in the Earth's atmosphere. They can bring heavy rains or snow to parts of the US, which can lead to flooding. Milder versions can alleviate droughts, ...

And if an atmospheric river event is particularly strong, it can transport as much water as 7 to 15 Mississippi Rivers. ... But for all their benefits, atmospheric rivers can also be bad news, ...

Throughout the year, a weather system known as an "atmospheric river" can impact states along the West Coast of the U.S., causing flooding, heavy snow, and the threat of mudslides.

An atmospheric river on Oct. 14-15, 2016 lasted 36 hours at the coast, ... but also for storms that can provide benefits to water supply. ...

Atmospheric river storms swelled the American River in January 2017, inundating a footbridge near Sacramento, ... To make the most of those benefits while reducing risks, ...

The recent atmospheric river measurements help inform changes to water control manuals for area dams, building on an agreement reached between operators of Oroville and New Bullards Bar dams ...

An atmospheric river is just what it sounds like. It's, it's really *** river in the sky, but instead of running water, it's water vapor. And so they, this is elongated plumes of water vapor in ...

The recent atmospheric river measurements help inform changes to water control manuals for area dams, building on an agreement reached between operators of Oroville and New Bullards Bar dams ...

To that end, Marty Ralph, the director of the university’s Center for Western Weather and Extremes, said he and his team had come up with a scale for categorizing atmospheric river storms ...

Ullrich said he remembers a series of atmospheric river events that hit California in 2016 and 2017 and helped “pull us out of that major drought that we had at the time.” ...

The same could not be said of all atmospheric rivers, however: They’ve caused almost $51 billion in flood damages across the West over 40 years, a new report by Mr. Ralph’s colleagues found.