MURRIETA, CA - SEPTEMBER 05, 2019 — Firefighters work in heavy smoke and flames to protect a structure on Silverewood Street in Murrieta. Tenaja fire continues rage in Murrieta on Thursday. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

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Fast-moving Tenaja fire burns near Murrieta

Firefighters work in heavy smoke and flames to protect a structure on Silverwood Street in Murrieta. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 05, 2019 — A firefighter uses a water jet to douse water on smoldering hillside along Oak Bluff Lane in Murrieta. Tenaja fire continues rage in Murrieta on Thursday. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

A firefighter uses a water jet to douse a smoldering hillside along Oak Bluff Lane in Murrieta. (Irfan Khan/Los Angeles Times)

Irfan Khan Los Angeles Times threat remains in Murrieta The Tenaja fire in Riverside County was still only partly contained Thursday, with the weather a wild card, but no homes had been lost. CALIFORNIA, B1

The Tenaja fire in Riverside County was still only partly contained Thursday, but no homes had been lost. (Irfan Khan/Los Angeles Times)

Shrouded by heavy smoke, firefighters protect a structure on Silverewood Street in Murrieta. (Irfan Khan/Los Angeles Times)

A firefighter douses a smoldering hillside along Oak Bluff Lane in Murrieta. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 05, 2019 — Tenaja fire continues rage in Murrieta on Thursday. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

A firefighter watches as the Tenaja fire burns in Murrieta. (Irfan Khan/Los Angeles Times)

The Tenaja fire rages near Murrieta. (Irfan Khan/Los Angeles Times)

New evacuation has been ordered in Murrieta as the 2,000 acre fire threaten nearby homes. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 05, 2019 —Cal Fire plane drops phos-chek fire retardant on brush fire burning close to residential area. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

A Cal Fire plane drops retardant on the Tenaja fire burning near Murrieta. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 05, 2019 — Two cyclists stopped to look Tenaja fire smoldering in the hills Thursday morning in Murrieta. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

Cyclists stop to look as the Tenaja fire smolders in the hills Thursday morning in Murrieta. The fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 05, 2019 — A helicopter makes a water drop on Tenaja fire smoldering Thursday morning in the hills above Murrieta. A fast-moving fire erupted in hillside terrain near Murrieta on Wednesday night, quickly scorching almost 1,000 acres and prompting mandatory evacuation orders for multiple residential enclaves as fire officials urged others nearby to voluntarily leave. (Irfan Khan/Los Angeles Times)

A helicopter makes a water drop on the Tenaja fire Thursday morning. (Irfan Khan/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 4, 2019 - - Firefighters set up to protect homes at the end of Single Oak Way in Murrieta on September 4, 2019. (Genaro Molina / Los Angeles Times)

Firefighters battling the Tenaja fire set up to protect homes at the end of Single Oak Way in Murrieta. (Genaro Molina/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 4, 2019 - - Beth Maranville, 59, foreground, prays with fellow Murrieta residents as a fire threatens homes at the end of Calle Cypress in Murrieta on September 4, 2019. (Genaro Molina / Los Angeles Times)

Beth Maranville, foreground, prays with fellow Murrieta residents as the fire threatens homes. (Genaro Molina/Los Angeles Times)

MURRIETA, CA - SEPTEMBER 4, 2019 - - Murrieta resident Paul Luopa, 54, center, and his son Ryan, 18, keep an eye on a fire that threatens homes at the end of Single Oak Way in Murrieta on September 4, 2019. (Genaro Molina / Los Angeles Times)

Paul Luopa, center, and son Ryan keep an eye on the fire, which threatened homes at the end of Single Oak Way in Murrieta. (Genaro Molina / Los Angeles Times)

MURRIETA, CA - SEPTEMBER 4, 2019 - - Residents keep an eye on a fire that started in La Cresta from the end of Calle Cypress in Murrieta on September 4, 2019. (Genaro Molina / Los Angeles Times)

Residents watch the fire from the end of Calle Cipres in Murrieta. (Genaro Molina / Los Angeles Times)

MURRIETA, CA - SEPTEMBER 4, 2019 - - Murrieta resident Paul Luopa, 54, left, and his son Ryan, 18, walk towards a fire that threatens homes at the end of Single Oak Way in Murrieta on September 4, 2019. (Genaro Molina / Los Angeles Times)

Murrieta residents Paul Luopa and son Ryan keep an eye on the fire. (Genaro Molina / Los Angeles Times)