Phoenix Fire threatens homes in northern California, evacuation warning issued

PORT COSTA, Calif. -- An evacuation warning has been issued in Port Costa in northern California's Contra Costa County due to a multi-alarm fire burning close to homes, according to authorities.

Fire officials are urging residents to be prepared to evacuate and follow all orders of law enforcement.

According to CAL FIRE, aircraft on scene are reporting "erratic fire behavior" and the blaze has burned 15 to 20 acres.

They say as of right now the town of Crockett has not been told to evacuate but they are on standby.