In hot and dry conditions and on rugged terrain, firefighters worked for a second day Thursday to improve containment of a 1,000-acre, wind-driven brush fire in Rancho Cucamonga, reports KTLA 5.
Dubbed the Etiwanda Fire, the fire was first reported by residents Wednesday morning. It spread quickly from a remote canyon into the San Bernardino National Forest and south toward homes.
The estimated size of the fire remained at 1,000 acres because high winds had prevented firefighting aircraft from launching to map the fire from above, according to John Miller of the U.S. Forest Service.
The fire was 10 percent contained on Thursday, Miller said, and crews were working to extend containment lines and strengthen existing ones.
No big patches of smoke or flames were visible Thursday, but firefighters said the ground was still hot and a fire could spark up at any minute. Dry vegetation in the area has not burned since a 2003 wildfire.
A red flag warning for the region was in effect until 5 p.m.
“We’re not out of the woods yet,” said Brian Grant of the U.S. Forest Service. “The winds are still gusting 25 to 35 (mph) today with relative humidity of 5 percent, which is really low.”
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