Over the course of the day, evacuation orders were issued in Paradise, Concow, and Pulga, towns about 200 miles north of San Francisco. Paradise itself is around 70 miles south of Redding, where the Carr Fire killed eight people and destroyed more than 1,000 homes in July.
Hospital workers and first responders evacuate patients from the Feather River Hospital as the Camp Fire moves through the area on November 8, 2018 in Paradise, California.
Mandatory evacuations are underway in Northern California as the Camp Fire continues to blaze through at least 18,000 acres.
Butte County Sheriff Kory Honea says a fire in Northern California is a "very unsafe and serious situation".
On social media, many have been sharing images of highways and roads flanked by fire or covered in heavy smoke and asking for help to evacuate friends and family.
Thousands of people are without power.
Authorities were working on a plan to remove patients from a hospital after rescuers had to turn back because of gridlocked traffic.
"Luckily, the fire broke out early enough that there were only a few students there and we had a plan".
"We're trying to get as many people out as quickly as possible and save as many lives as we can", he said. She said she did not know the exact number of people evacuated. "It's been hopscotching the ridges", she said.
He is confirming reports that people had to abandon their vehicles as they try to flee the fast-moving fire.
"Every engine that we could put on the fire is on the fire right now, and more are coming", he said.
Officials were sending as many firefighters as they could, Cal Fire spokesman Rick Carhart said. "Once it got going it picked up very rapidly".
"We had to drive through flames to make it out safely", she said.
Adventist Health Feather River, a hospital in Paradise, evacuated its patients on Thursday afternoon.
Five people were burned in Paradise, according to California Highway Patrol (CHP).
Yesterday, Cal Fire officials said that parts of Northern and Southern California was under a "red flag" warning for critical fire weather "due to gusty winds, dry fuels & low humidity".
The Concow School sent its 60 students home shortly after the blaze, but many faculty members are anxious about their homes, said Golden Feather Union Elementary School District Superintendent Josh Peete. "All patients are being transported to surrounding area hospitals", a statement said.
The "Camp Fire" - as named by local officials - is expected to grow because of high winds and current dry conditions in the area.