An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.
Weather balloons and “hurricane hunter” planes aid the science of understanding California’s atmospheric rivers.
Snow made a rare appearance in the Bay Area early Wednesday morning, with Mount Hamilton getting a fresh coat of snow. Video ...
Some areas of Southern California began to see light snow falling Wednesday morning as the first pulse of a significant winter storm slowly moved into the region.