Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

A monster rainstorm was drenching southern California on Thursday, with officials in Los Angeles readying for flooding and ...

Authorities say a more than 100-vehcile pileup in whiteout conditions has closed part of a major interstate along the ...

A powerful, atmospheric river-driven storm is hitting California today, bringing with it heavy rain, strong winds and feet of Sierra snow. The storm, which prompted a lengthy flood advisory for San ...