The Caldor Fire picked up pace in northern parts of California and triggered an evacuation order on Monday for those living in the El Dorado County, according to media reports.

Nearly 60 miles away from California’s state capital Sacramento, the fire first blazed in the Omo Ranch area, as per reports from the United States Forest Service in the El Dorado county.

By Monday, the fire had engulfed 4,000 additional acres of land with the total being bumped up to 6,500. Officials said that more than 240 firefighters had been deployed to the site in response to the fire, however, it has not been contained.

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The Sheriff’s Office in El Dorado County said in a statement, “Night firefighting and challenging terrain made accessing the fire difficult. The fire burned very actively throughout the night”, according to reports from NBC News.

Prior to the evacuation orders, California authorities had issued warnings to residents of areas like Big Mountain and Leoni Meadows on Monday, two days after the Caldor Fire ignited. According to reports from NBC News citing authorities, the evacuation orders were issued with a 1.5-mile radius of the blaze.

Meanwhile, California continues to battle the Dixie Wildfire, which is the country’s biggest one ever. Windy conditions on Tuesday added to the struggles of the firefighters engaged in limiting the area covered by the fire.

Winds spawned by a new weather system arrived Monday afternoon and pushed the Dixie Fire within a few miles of Susanville, population about 18,000, and prompted evacuation orders for the small nearby mountain community of Janesville, fire officials said, according to reports from Associated Press.

The Dixie Fire has scorched more than 900 square miles (2,331 square kilometers) in the northern Sierra Nevada and the southern Cascades since it ignited on July 13 and eventually merged with a smaller blaze called the Fly Fire. The fire has not been contained more than 33%, Associated Press reported.

(With inputs from Associated Press)