The Bouquet Fire near Santa Clarita grew from about 20 to about 1,000 acres in under 3.5 hours

Between 3:28 p.m. and about 6:55 p.m. on Saturday, Oct. 3, the Bouquet Fire in the Angeles National Forest went from an estimate of 20 acres to roughly 1,000. By Sunday night it had settled at 1,048 acres, and evacuation orders were still in place for three zones northeast of Santa Clarita.

The fire started in a Los Angeles County canyon that was already under an Extreme Heat Warning, with forecast highs of 95 to 107 degrees and minimum relative humidity of 10 to 20 percent.

The 3.5-hour run from 20 acres to 1,000

The clearest record of the growth is the hour-by-hour log compiled by The Watchers from CAL FIRE, InciWeb, Los Angeles County and National Weather Service updates. It places discovery near Bouquet Canyon Road at 14:16 local time on Oct. 3. At 15:28 the fire was estimated at 8 hectares (20 acres), moving at a moderate rate.

Thirty-one minutes later, at 15:59, the estimate was 40 hectares (100 acres). By 16:50 it was 287 hectares, about 710 acres, and at 17:43 it was 341 hectares, about 843 acres. The log reaches roughly 405 hectares, or 1,000 acres, at 18:55. That is about 3 hours and 27 minutes after the 20-acre estimate, which is where the “under 3.5 hours” figure comes from.

The window does not start at ignition. Counting from the 14:16 discovery time, the same growth took closer to four and a half hours, so the 3.5-hour run describes the stretch after the first 20-acre estimate, not the fire’s whole first evening. The log’s sizes climb steeply from 3:59 p.m. to 5:43 p.m., adding about 743 acres in under two hours, and then the pace slows sharply.

Containment and the official acreage

The U.S. Forest Service has jurisdiction, and its numbers appear on the CAL FIRE incident page for the Bouquet Fire. As of 6:45 p.m. on Oct. 5, that page listed 1,048 acres, 63 percent containment and a start time of 2:19 p.m. on Oct. 3, with the cause under investigation. Watchers recorded 40 percent containment on the morning of Oct. 4 and 48 percent by 8:59 p.m. that evening.

A Tuesday report from MyNewsLA quoted Angeles National Forest headquarters as saying containment had reached 67 percent and that “last night’s drone mission provided valuable information.” The acreage stayed at 1,048, meaning the fire reached its mapped size within about a day of ignition and the progress since has come from crews securing its edge.

Resources on the incident page include multiple air tankers, helicopters flying from Fox Field and ground crews. The page also carries a notice that Air Attack reported a possible drone sighting over the fire and calls drone flights there a federal crime. Watchers adds that fixed-wing aircraft left the area by 1:21 a.m. on Oct. 4 because of poor visibility.

Evacuation zones and the canyon residents

The incident page lists evacuation orders for zones LAC-E018, LAC-E030-B and LAC-E031-A, and warnings for LAC-E016, LAC-E017, LAC-E019, LAC-E020, LAC-E021, LAC-E029, LAC-E030-A, LAC-E030-C and LAC-E031-B. A shelter opened at the Castaic Sports Complex, and Bouquet Canyon Road was closed at Vasquez Canyon Road.

Forest Service spokesperson John Miller estimated that about 30 to 60 people in the remote canyon, which holds several small cabins and residences, were directly affected, according to Watchers. By Tuesday morning, the MyNewsLA report says, most orders and all warnings had been lifted except for one area closest to the fire perimeter, and Bouquet Canyon Road stayed closed from Spunky Canyon Road to milepost 5.7.

The heat that keeps the fire a threat

The National Weather Service office in Los Angeles says its Extreme Heat Warning for the coast and valleys of Los Angeles and Ventura counties runs through Thursday, and that daily record highs were broken or tied at eight locations on one recent day. The warning text, issued at 12:15 p.m. Pacific time on Oct. 3, puts valley highs up to 105 degrees and notes that very hot temperatures are likely to continue into the second week of October, possibly requiring an extension.

Watchers cites forecast highs of 95 to 107 degrees, minimum humidity of 10 to 20 percent and northeast-to-southeast winds of 10 to 20 mph with higher gusts in the days after ignition, and puts the Santa Clarita Valley at about 106 degrees. Crews quoted by ABC7 Los Angeles said that with the extreme heat in the forecast the fire “has the potential to become active again.” With the Extreme Heat Warning in place through Thursday and containment at 67 percent on Tuesday, the 1,048-acre perimeter was still untested against another afternoon in the 100s, and the cause remained under investigation.

This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.

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