Flames from the Chaparral Fire on the San Diego-Riverside County line. Courtesy OnScene.TV

A wildfire that ignited at the edge of the Cleveland National Forest has grown to 1,425 acres and is 10% contained, authorities said Sunday.

A firefighter suffered minor injuries and two structures were destroyed, Cal Fire reported.

The wildfire spans both Riverside and San Diego counties. On the Riverside County side, it is burning in the southwestern end of La Cresta, an unincorporated community at the foot of the Santa Ana mountains.

On Sunday, the South Coast Air Quality Management District issued a smoke advisory for western Riverside County and the Coachella Valley through Monday afternoon.

Evacuation orders remain in place for those north of Tenaja Truck Trail, south of Calle Cielo, east of Calle Collado and west of Calle Be Bietol, according to the Riverside County Fire Department.

Additionally, an evacuation warning is in place for those north of Tenaja Road, west of Calle Pino/Gallop Lane, south of Hombre Lane and west of Cleveland National Forest Road.

“Residents should go now,” the fire department said Saturday.

An evacuation center was opened at Murrieta Valley High School, 42200 Nighthawk Way, fire officials said. Small animals can be taken to Animal Friends of the Valleys, 33751 Mission Trail in Wildomar. Large animals can be taken to the San Jacinto Animal Shelter, 581 S. Grand Ave., in San Jacinto.

The blaze started at about 12:40 p.m. Saturday near Tenaja and Cleveland Forest roads, fire officials said.

The fire, being dubbed the Chaparral Fire, was initially measured 25 acres before exploding in size in just a couple of hours.

Firefighters were battling the flames from the ground and air, including the use of four air tankers. U.S. Forest Service fire crews were assisting the 150 firefighters from Riverside and San Diego counties.

The Orange County Fire Authority tweeted a picture of one of its helicopters making a water drop over a home.

The smoke could be seen from Orange and San Diego counties.

Updated 6:50 p.m. Aug. 29, 2021

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