California Bond Fire Map, Update as Blaze Scorches Silverado Canyon

The Bond Fire, a vegetation blaze sparked by a house fire in Silverado Canyon, Orange County, has burned over 3,600 acres, with zero percent contained, as of Thursday, according to the Orange County Fire Authority.

Mandatory evacuation orders have been issued for Foothill Ranch and the Portola Hills area, west of El Toro and north of 241 Toll Road, as well as the Modjeska Canyon. The remaining portion of Portola Hills is under a voluntary evacuation warning, the OCFA confirmed.

A road closure is in place for "Santiago Canyon Road from Jackson Ranch to the 241 due to #BondFire. Please avoid the entire area for your safety," the OCFA tweeted on Thursday.

Evacuation warnings are in place for parts of Lake Forest, "from the 241 Toll Road along Bake Parkway to Musick north to Irvine border and from 241 Toll Road north to Bake to Foothill Ranch Community Park," the OCFA said.

Evacuation warnings are also in effect for the Borrego Canyon Baker Ranch, Live Oak Canyon, Trabuco Canyon, Rose Canyon, Valley Vista Way and Meadow Ridge Drive.

FIRIS predictive modeling over satellite imagery shows the potential growth and direction of #BondFire. Model was created without fire suppression efforts. Those under mandatory evacuation orders, are urged to leave. Fire has been moving in SW direction. pic.twitter.com/BxEnUqWL9R

— OCFA PIO (@OCFA_PIO) December 3, 2020

Evacuees are "strongly encouraged to seek safety with family/friends or in a hotel," the OCFA noted Thursday. "Due to COVID-19, no congregate shelter is offered. A temporary OC [Orange County] Red Cross evacuation point is at 8405 E. Chapman Ave, Orange. Info and restrooms available," the department added.

More than 240 firefighters have been deployed to the fire line to help protect people and property threatened by the Bond Fire, which first broke around 10:15 p.m. Iocal time on Wednesday in Silverado Canyon.

#BondFire Update: Mandatory evacuation order for Foothill Ranch and Portola Hills West of El Toro and North of 241 Toll Road. Remaining Portola Hills is under voluntary evacuation warning.

The @OrangeCountyEOC has activated its hotline for residents: 714-628-7085. pic.twitter.com/74rCmByK3i

— OCFA PIO (@OCFA_PIO) December 3, 2020

Elsewhere in California, the Willow Fire in San Diego County was reported to be "actively burning," with five percent contained, the California Department of Forestry and Fire Protection (Cal Fire) tweeted Thursday.

The "fire's spread has been stopped. 25 acres, 5 percent containment, one structure destroyed. Resources will be committed into the morning," the department added in a later tweet.

The Willow Fire threatened around 200 homes across San Diego County, according to Captain Thomas Shoots from Cal Fire. All evacuation orders have been lifted in the areas affected by the fire.

A #RedFlagWarning is in effect for portions of Southern CA due to gusty winds and low humidity from Wednesday evening through Saturday evening. This is critical fire weather. Exercise caution when outdoors. https://t.co/upBwccxXFO pic.twitter.com/AgwQJmYGQd

— CAL FIRE (@CAL_FIRE) December 2, 2020

A Red Flag warning—the highest level warning—is in effect for parts of Southern California through Saturday "due to gusty winds and low humidity", Cal Fire noted on Wednesday.

The National Weather Service also warned of "extremely critical fire weather conditions" for the San Diego County mountains on Thursday, noting "critical fire weather conditions are likely as winds combine with extremely low relative humidity."

Strong Santa Ana winds will develop tonight, with the strongest winds occurring Thu morning. Critical fire weather conditions are likely as winds combine with extremely low relative humidity. Extremely critical fire weather conditions for the San Diego County mountains on Thu. pic.twitter.com/MyLVHZWMa1

— NWS San Diego (@NWSSanDiego) December 2, 2020

NWS tweeted on Thursday: "A Santa Ana wind event is expected to impact southern California into the weekend. These winds are strong downslope winds that blow through the mountain passes. The winds are warm and dry and can severely exacerbate brush or forest fires."

Silverado Fire in Orange County October 2020
The Silverado Fire burning in a canyon in Orange County in Lake Forest, California, on October 26. The Bond Fire, which broke Wednesay in Orange County's Silverado Canyon, has burned over 3,600 acres. Photo by Mario Tama/Getty Images