# McCash Fire

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2021 wildfire in Northern California

McCash Fire Part of the 2021 California wildfires A smoke column from the McCash Fire rises above the Klamath River on August 25, 2021 Date(s) July 31 (31-07) – October 27, 2021 (2021-10-27) (89 days) Location Siskiyou County, Northern California, United States Coordinates 41°33′50″N 123°24′14″W / 41.564°N 123.404°W / 41.564; -123.404 Statistics Burned area 94,962 acres (38,430 ha; 148 sq mi; 384 km2) Impacts Deaths 1 Structures destroyed 0 Damage $53.3 million Ignition Cause Lightning Map This map shows the footprint of the McCash Fire in the Klamath National Forest The McCash Fire burned in far northwestern California.

The 2021 **McCash Fire** was a large [wildfire](/source/Wildfire) in [Siskiyou County](/source/Siskiyou_County%2C_California) in [Northern California](/source/Northern_California). Part of the [2021 California wildfire season](/source/2021_California_wildfires), the fire was ignited by lightning on July 31 and burned 94,962 acres (38,430 hectares) before its containment on October 27. The fire burned within the [Klamath National Forest](/source/Klamath_National_Forest) and the [Six Rivers National Forest](/source/Six_Rivers_National_Forest).[1]

## Progression

The McCash Fire was one of multiple large wildfires, including the [Monument](/source/Monument_Fire) and [McFarland](/source/McFarland_Fire) fires, ignited by thunderstorms in Northern California in late July. It was first detected on July 31 at about 7:00 p.m., burning in the McCash Fork drainage of Ukonom Creek (from which the incident got its name). The area was a rugged and inaccessible part of the [Six Rivers National Forest](/source/Six_Rivers_National_Forest).[2]: 1 By the afternoon of August 2, the fire had burned 500 acres (200 ha) of primarily timber understory, brush, and grass near [Bear Mountain](/source/Bear_Mountain_(Siskiyou_County%2C_California)). At this point, 172 personnel were engaged on the fire, including three hotshot crews, a group of smokejumpers, and two helicopters.[3] The fire initially burned east, reaching the Marble Mountain Wilderness Area two miles (3.2 km) distant by August 5. At that point, mapping assessed the fire as having burned 1,161 acres (470 ha).[2]: 1

A month after the fire's detection, it had burned 38,906 acres (15,745 ha). In the first nine days of September the fire's growth accelerated, reaching 69,725 acres (28,217 ha).[4] At the height of the fire, firefighters employed nine aircraft: eight helicopters and a supervisory fixed-wing [air attack](/source/Aerial_firefighting) plane.[2]: 11

Between 1.2 and 1.4 inches (3.6 cm) of rain fell over the fire on September 18 and 19, temporarily miring firefighting operations with muddy roads and cloud cover as the fire remained 22 percent contained.[5][2]: 2 Though immediately followed by warm and dry conditions, the subdued fire activity following the wet weather meant that firefighters were able to engage the fire directly (see [direct attack](/source/Glossary_of_wildfire_terms)) on its northern, western, and southern flanks. The eastern side of the fire in the Marble Mountain Wilderness was held in check by old fire scars as officials opted for a confinement strategy instead of direct attack there.[2]: 2

Containment of the fire reached 48 percent by September 27 as another weather system moved through the area and dropped 0.6–0.8 inches (1.5–2.0 cm) of rain. The incident management team characterized fire suppression operations as "largely complete" by September 29.[2]: 2 All evacuation warnings and orders still in place were lifted on October 13, 2021, following minimal activity on the fire's part.[6]

The McCash Fire was declared 100 percent contained by 6:00 p.m. on October 27, 2021.[7] The cost of containing the fire was calculated at $53.3 million.[8] The fire burned 94,962 acres (38,430 ha) in total; a post-fire environmental evaluation estimated that 53,636 acres (21,706 ha) had burned within the Klamath National Forest, 41,051 acres (16,613 ha) had burned within the Six Rivers National Forest, and the remaining ~200 acres (81 ha) had burned on private or other types of land.[9]

## Effects

The sole casualty of the McCash Fire was 41-year-old wildland firefighter and paramedic Marshall Grant Brookfield. Brookfield contracted COVID-19 and a fungal infection associated with wildfires and smoke inhalation while deployed to [Orleans](/source/Orleans%2C_California) on the fire in September, passing after several weeks in the ICU.[10][11]

No structures were damaged or destroyed by the fire.[12]: 11

The [burned area emergency response](/source/Burned_area_emergency_response) (BAER) team assigned to the McCash Fire analyzed soil burn severity across the fire footprint using [remote sensing](/source/Remote_sensing) and soil data from the field. Separate from vegetation burn severity, soil burn severity is a qualitative metric based on the amount of remaining surface material, soil stability, and soil [hydrophobicity](/source/Hydrophobe). Soil burn severity influences post-fire runoff and debris flow issues. The BAER team found that the McCash Fire's overall footprint burned at 69 percent very low/low, 26 percent moderate, and five percent high soil burn severity.[9]

## See also

- [Monument Fire](/source/Monument_Fire)

- [McFarland Fire](/source/McFarland_Fire)

## References

1. **[^](#cite_ref-1)** ["McCash Fire"](https://www.fire.ca.gov/incidents/2021/8/18/mccash-fire). *www.fire.ca.gov*. [California Department of Forestry and Fire Protection](/source/California_Department_of_Forestry_and_Fire_Protection) (Cal Fire). [Archived](https://web.archive.org/web/20230801205616/https://www.fire.ca.gov/incidents/2021/8/18/mccash-fire) from the original on August 1, 2023. Retrieved October 20, 2023.

1. ^ [***a***](#cite_ref-:0_2-0) [***b***](#cite_ref-:0_2-1) [***c***](#cite_ref-:0_2-2) [***d***](#cite_ref-:0_2-3) [***e***](#cite_ref-:0_2-4) [***f***](#cite_ref-:0_2-5) [2021 McCash Fire: Incident Summary, September 20 – October 2](https://web.archive.org/web/20230802000825/https://fire.ak.blm.gov/content/aicc/team_left/03.%20Alaska%20IMT%20Incident%20Archive/Alaska%20IMT%20Incident%20Summaries/2021%20Summaries/2021%2009-19%20to%2010-03%20McCash.pdf) (PDF) (Report). Alaska Incident Management Team. October 2, 2021. Archived from [the original](https://fire.ak.blm.gov/content/aicc/team_left/03.%20Alaska%20IMT%20Incident%20Archive/Alaska%20IMT%20Incident%20Summaries/2021%20Summaries/2021%2009-19%20to%2010-03%20McCash.pdf) (PDF) on August 2, 2023. Retrieved August 1, 2023.

1. **[^](#cite_ref-3)** ["McCash Fire Update – August 2, 2021"](https://www.fs.usda.gov/r05/sixrivers/newsroom). *Six Rivers National Forest*. Forest Service, U.S. Department of Agriculture. August 2, 2021. [Archived](https://web.archive.org/web/20230802022215/https://www.fs.usda.gov/detail/srnf/news-events/?cid=FSEPRD937158) from the original on August 2, 2023. Retrieved August 1, 2023.

1. **[^](#cite_ref-4)** Staff (September 9, 2021). ["McCash Fire grows by more than 10,000 acres in 48 hours"](https://kobi5.com/news/mccash-fire-grows-by-more-than-10000-acres-in-48-hours-166423/). *[KOBI-TV](/source/KOBI_(TV))*. Retrieved October 2, 2023.

1. **[^](#cite_ref-5)** Parfitt, Jamie (September 20, 2021). ["FireWatch: Crews in Siskiyou County work to capitalize on weekend rains"](https://web.archive.org/web/20220127054616/https://www.kdrv.com/news/firewatch/firewatch-crews-in-siskiyou-county-work-to-capitalize-on-weekend-rains/article_2cf8fc72-aace-5c39-ad8e-54a7119f96d7.html). *[KDRV](/source/KDRV)*. Archived from [the original](https://www.kdrv.com/news/firewatch/firewatch-crews-in-siskiyou-county-work-to-capitalize-on-weekend-rains/article_2cf8fc72-aace-5c39-ad8e-54a7119f96d7.html) on January 27, 2022. Retrieved August 1, 2023.

1. **[^](#cite_ref-6)** Robinson, Adam (October 13, 2021). ["All remaining McCash Fire evacuations lifted on Wednesday"](https://krcrtv.com/weather/wildfires-and-water/all-remaining-mccash-fire-evacuations-lifted). *[KRCR-TV](/source/KRCR-TV)*. Retrieved September 2, 2023.

1. **[^](#cite_ref-7)** ["McCash Fire Final Update – October 28, 2021"](https://www.fs.usda.gov/r05/sixrivers/newsroom). *Six Rivers National Forest*. Forest Service, U.S. Department of Agriculture. October 28, 2021. [Archived](https://web.archive.org/web/20211124011601/https://www.fs.usda.gov/detail/srnf/news-events/?cid=FSEPRD966101) from the original on November 24, 2021. Retrieved August 1, 2023.

1. **[^](#cite_ref-8)** [Incident Management Situation Report](https://famprod.nwcg.gov/batchout/IMSRS_from_1990_to_2022/2021/20211029IMSR.pdf) (PDF) (Report). National Interagency Coordination Center. October 29, 2021. [Archived](https://web.archive.org/web/20230801204810/https://famprod.nwcg.gov/batchout/IMSRS_from_1990_to_2022/2021/20211029IMSR.pdf) (PDF) from the original on August 1, 2023. Retrieved August 1, 2023.

1. ^ [***a***](#cite_ref-:1_9-0) [***b***](#cite_ref-:1_9-1) ["McCash Post-Fire BAER Soil Burn Severity Map Released"](https://www.fs.usda.gov/r05/sixrivers/newsroom). *Six Rivers National Forest*. Forest Service, U.S. Department of Agriculture. October 22, 2021. [Archived](https://web.archive.org/web/20211118102146/https://www.fs.usda.gov/detail/srnf/news-events/?cid=FSEPRD964763) from the original on November 18, 2021. Retrieved August 1, 2023.

1. **[^](#cite_ref-10)** Gabbert, Bill (October 21, 2021). ["Firefighter/paramedic dies of COVID and fungal infection"](https://wildfiretoday.com/2021/10/21/firefighter-paramedic-dies-of-covid-and-fungal-infection/). *Wildfire Today*. [Archived](https://web.archive.org/web/20211027113104/https://wildfiretoday.com/2021/10/21/firefighter-paramedic-dies-of-covid-and-fungal-infection/) from the original on October 27, 2021. Retrieved August 1, 2023.

1. **[^](#cite_ref-11)** ["Firefighter Fatality Notice for Marshall Grant Brookfield"](https://web.archive.org/web/20211208163342/https://apps.usfa.fema.gov/firefighter-fatalities/fatalityData/detail?fatalityId=5134). *U.S. Fire Administration*. Archived from [the original](https://apps.usfa.fema.gov/firefighter-fatalities/fatalityData/detail?fatalityId=5134) on December 8, 2021. Retrieved August 1, 2023.

1. **[^](#cite_ref-12)** [2021 Wildfire Activity Statistics](https://34c031f8-c9fd-4018-8c5a-4159cdff6b0d-cdn-endpoint.azureedge.net/-/media/calfire-website/our-impact/fire-statistics/2021_redbook_final.pdf?rev=525959073bbe4bbe816d67624911e4c3&hash=CFD17F879B2CE984AB5BA9FEA4F73A56) (PDF) (Report). California Department of Forestry and Fire Protection. 2021. [Archived](https://web.archive.org/web/20230604022723/https://34c031f8-c9fd-4018-8c5a-4159cdff6b0d-cdn-endpoint.azureedge.net/-/media/calfire-website/our-impact/fire-statistics/2021_redbook_final.pdf?rev=525959073bbe4bbe816d67624911e4c3&hash=CFD17F879B2CE984AB5BA9FEA4F73A56) (PDF) from the original on June 4, 2023. Retrieved August 13, 2023.

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Adapted from the Wikipedia article [McCash Fire](https://en.wikipedia.org/wiki/McCash_Fire) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/McCash_Fire?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.