Following an unusually dry January, a powerful atmospheric river known as the ‘Pineapple Express’ has ... and its humidity falls — sometimes to less than 10%. Subscribe to our UPSC newsletter and stay ...

Days after an atmospheric river brought record-setting rainfall to California, the state is in the crosshairs of another rainy storm system.

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.

Parts of northern California could see up to a foot of rain, but Phoenix will remain dry and warmer than usual.

There is now a 30% chance of intense rain between Feb. 12 and 15 in Los Angeles, Ventura, Santa Barbara and San Luis Obispo ...

Atmospheric rivers, also described as "rivers in the sky," cause more than 80 percent of all flooding damage across the West ...

An atmospheric river gathers moisture from the tropics and moves it inland. California will see heavy rain and snow in some areas, mostly in the north. Arizona will not only remain dry ...

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.