The wet weather fueled by an atmospheric river represents an about-face after a dry January helped ignite fires that devastated California.
The current atmospheric river storm will continue to push inland on Sunday, only to be replaced by another storm from Monday into Tuesday, peppering the region with additional rainfall.
You may have heard meteorologists using the phrases "atmospheric river" and "Pineapple Express" when talking about wet weather in California, but what do they really mean?