The Black Tiger Fire

The Black Tiger Fire

The Black Tiger Fire occurred in 1989, in the foothills of Boulder County northwest of the City of Boulder. At the time, it was the most destructive wildfire in terms of property loss and damage in Colorado history.

  • The fire burned almost 2,100 acres.
  • 44 homes and other structures were destroyed and several others damaged. Loss estimates of homes and natural resources amounted to $10 million, and the cost to control the fire was another $1 million.
  • More than 500 fire fighters from local, state and federal fire agencies worked to eventually contain the fire and protect the numerous other homes built in the rustic surroundings. Some of the fire fighters’ own homes were threatened or destroyed by the fire. Only a few minor fire fighter injuries were reported and one resident was hospitalized from burns.

The result of this wildfire, especially the loss of the homes, represents an increasingly common example of the risks of building homes in what is called the wildland/urban interface (WUI), the term for a border zone where structures (mainly residences) are built in wildland areas that by nature are subject to fires. This fire, which soon outran the fire defenses in difficult terrain, demonstrated the predictable effects of a combination of factors: lack of rainfall, prolonged heat spell, wind, sloping topography, buildup of forest fuels, construction factors affecting the susceptibility of the home to fire, use of combustible construction materials, poor site access for emergency vehicles, and lack of a home’s site maintenance for fire protection. These factors plus the number of homes that were quickly threatened compounded the problems for the fire fighters.

More information about this fire can be found in the Black Tiger Fire Case Study Summary Report prepared by the National Fire Protection Association (NFPA) at the request and in cooperation with the Boulder County Sheriff’s Department.

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Wildfire Mitigation and Forest Health

Email: wildfiremitigation@bouldercounty.org
Main: 303-441-3930
Fax: 303-441-4856

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Boulder, CO 80302
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Boulder, CO 80306
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