An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.
We're now just past the midpoint of astronomical winter — that moment marking the midway point between December's winter solstice and March's vernal equinox. That moment took place at 4:11 p.m.
An atmospheric river is moving through the Lake Tahoe and Reno in the following days, but what does that mean?