The storm hit northern California on Thursday, November 21. On Tuesday, the storm had already transformed into a "bomb cyclone", becoming even more intense on the west coast of the United States. According to the National Weather Service in Medford,

A third winter storm is on its way to California, with forecasts anticipating that it will hit the Golden State on Friday, only days after a bomb cyclone unleashed hurricane-force winds across the Pacific Northwest and an atmospheric river brought a deluge of rain and snow.

A developing storm system forecast to swing off the Oregon and Washington coastline on Friday will add to the region's weather woes.