Many atmospheric river events are weak. But the powerful ones can transport extraordinary amounts of moisture. Studies have ...

An atmospheric river is a massive band of water vapor that carries rain to an area. The National Oceanic and Atmospheric Administration (NOAA) said in a forecast: "A prolonged atmospheric river ...

An atmospheric river is slamming portions of California, with multiple inches of rain expected to drench the area until the storm runs out of moisture Wednesday morning, forecasters say.

To get breaking news alerts, click here An atmospheric river storm brought heavy rain and high winds to San Luis Obispo County on Thursday — causing flooding and prompting one school district to close ...

The time-lapse views showed a "prolonged atmospheric river" that brought heavy rain and ... vapor outside of the tropics," according to the NOAA. The storm arrived on Friday, saturating the ...