Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.

It's been an unusually dry January in Northern California but there are signs of a weather pattern change as February begins. As of Monday evening, downtown Sacramento has only had .3 inches of rain ...

Numerous weather alerts are in place across Northern California as an atmospheric river is set to bring excessive ... the weather pattern change is expected to last in the Pacific Northwest ...

“A major pattern change is in the works as the first in a series of storms with an atmospheric river brings widespread rain and mountain snow,” the National Weather Service reported Frida ...