California braced for the arrival of a massive storm on Wednesday, evacuating residents in areas at risk of mudslides and debris flows.

Incoming heavy rain from an atmospheric river-fueled storm that slammed into the West Coast early Wednesday is threatening mudslides and debris flows in Southern California and has already prompted evacuations in the Los Angeles area.

An evacuation warning is in place for parts of the Palisades Fire burn zone. The centre-Right Demokraatit Party is celebrating an upset parliamentary election victory in Greenland, after Donald Trump said the US would take control of the island “one way or another”.

A colossal storm is threatening to bring severe weather to much of California this week and could impact travel over the Grapevine. Here's what to know.

The Southern California area has one more day of sunny conditions before a set of storms will bring moderate to heavy rain and snow over the next couple of days, forecasters say.