Key Background. California has been facing a round of severe storms starting late last month, when an atmospheric river paired with a sudden drop in air pressure called a “bomb cyclone ...

What atmospheric rivers mean for storms, rain and snow in California Invisible rivers in the Earth's atmosphere move up to 25 times more water in a day than the Mississippi River.

An atmospheric river has been forecast to hit California this week, with the National Weather Service (NWS) warning of the potential for flash flooding, debris flow, and significant mountain snow ...

In February 2017, a series of atmospheric river events bombarded Northern California, effectively ending a five-year drought. Reservoirs were filled to the brim, and the surrounding soil became ...

A flooded street in Santa Barbara, California, is shown on February 4, 2024, exactly one year ago, as a potent atmospheric river storm, the second in less than a week, doused the region.

According to Poweroutage.us more than 693,000 homes and businesses in California were without power early on Monday, as the atmospheric river event continued to move through the state.

A powerful atmospheric river-fueled storm lashing the Pacific Northwest left Northern California under a high risk for excessive rainfall and southern Oregon under moderate risk on Thursday night.

An ‘atmospheric river’ caused a massive downpour in parts of California on Thursday, bringing flooding and felling trees. Heavier storms, bringing rain, snow and dangerously high winds, are ...