Las Conchas Fire

Las Conchas Fire
Title	Las Conchas Fire
Location	Los Alamos County, New Mexico, Sandoval County, New Mexico
Date	June–July 2011
Area	156,593 acres
Cause	Prescribed burn (investigated)
Buildings	63

Las Conchas Fire The Las Conchas Fire was a major 2011 wildfire that burned extensive tracts of the Jemez Mountains, affecting communities near Los Alamos National Laboratory, Bandelier National Monument, and the town of Los Alamos, New Mexico. The fire drew large-scale responses from agencies including the United States Forest Service, the National Park Service, and the New Mexico State Police, and prompted federal proclamations and interagency coordination involving the Department of the Interior and the Federal Emergency Management Agency.

Background

The fire ignited in the context of a prolonged regional drought linked to variations in the El Niño–Southern Oscillation, with antecedent conditions influenced by broader climate patterns studied by institutions such as the National Oceanic and Atmospheric Administration and researchers at the University of New Mexico. Vegetation in the Santa Fe National Forest and the Valles Caldera National Preserve had accumulated high fuel loads after decades of fire suppression policies endorsed by agencies including the United States Forest Service and debated in reports from the Forest Service Research and Development branch. Local land management practices, including a recent prescribed burn activity administered by contractors under oversight from the New Mexico State Forestry Division and federal partners, formed part of the preseason context.

Fire progression and containment

The incident began in late June 2011 and expanded rapidly under synoptic patterns influenced by an approaching high-pressure ridge monitored by the National Weather Service and forecasters at the Storm Prediction Center. Fire behavior analysts from the Incident Command System and crews from the Bureau of Land Management, the National Park Service, and the New Mexico National Guard implemented tactical suppression using engines, hand crews, aerial resources including air tankers contracted through the U.S. Forest Service National Interagency Aviation Center, and helicopter water buckets coordinated by the Interagency Fire Center. Evacuations were ordered for residents of Los Alamos, New Mexico and surrounding communities, with shelters established by the American Red Cross and local chapters of Volunteer Organizations Active in Disaster. Containment progressed over weeks with assistance from reinforcements from the Type 1 Incident Management Team and demobilization following reductions in fire activity.

Impact and damage

The fire consumed approximately 156,593 acres across Los Alamos County, New Mexico and adjacent jurisdictions, affecting landscapes within Bandelier National Monument, Santa Clara Pueblo, and private lands near Pojoaque. Structures damaged or destroyed included dozens of homes in neighborhoods proximate to Los Alamos National Laboratory, and infrastructure impacts prompted closures of roads such as New Mexico State Road 4 and trails managed by the National Park Service. The event precipitated concerns at Los Alamos National Laboratory about critical facilities and continuity of operations, leading to hazard assessments by officials from the Department of Energy and oversight discussions involving representatives of the United States Senate and the United States House of Representatives.

Response and recovery

Federal, state, tribal, and local entities coordinated recovery through mechanisms including emergency declarations by the Governor of New Mexico and requests for federal assistance under statutes administered by the Federal Emergency Management Agency. Recovery efforts engaged the U.S. Army Corps of Engineers for infrastructure stabilization, the Natural Resources Conservation Service for post-fire rehabilitation planning, and non-governmental partners such as the Sierra Club and The Nature Conservancy for watershed restoration projects. Funding and assistance programs involved consultations with the Bureau of Indian Affairs regarding impacts on tribal lands and coordination with the New Mexico Department of Homeland Security and Emergency Management.

Investigation and causes

Investigations examined the ignition chronology, with agencies including the United States Forest Service and the National Park Service collaborating with independent reviewers from academic institutions such as the New Mexico Institute of Mining and Technology and legal counsel representing affected parties. The role of a recently conducted land-management burn and associated contractor actions was scrutinized by state prosecutors and newspapers such as the Albuquerque Journal and broadcasters including KRQE. Civil litigation and administrative inquiries referenced policies from the United States Department of Agriculture and standards for prescribed fire promulgated by the National Wildfire Coordinating Group.

Environmental effects and ecology

Ecological assessments documented effects on ecosystems extending from montane conifer forests to riparian corridors in the Jemez Mountains and watersheds draining into the Rio Grande. Studies by researchers at the Los Alamos National Laboratory (LANL) environmental sciences divisions and university partners assessed post-fire erosion, ash transport, and water-quality impacts on municipal supplies, with monitoring by the Environmental Protection Agency and the New Mexico Environment Department. Impacts on species and habitats prompted involvement from the U.S. Fish and Wildlife Service and conservation organizations including Defenders of Wildlife and research collaborations with the University of Arizona and Colorado State University.

Aftermath and policy changes

The Las Conchas event influenced policy debates at forums such as hearings convened by the United States Senate Committee on Energy and Natural Resources and panels including representatives from the National Academy of Sciences and the Government Accountability Office. Changes included revisions to prescribed burn protocols overseen by the National Wildfire Coordinating Group, enhanced interagency communication frameworks between the United States Forest Service and the National Park Service, and increased funding proposals debated in the United States Congress for hazardous fuels reduction and community wildfire protection plans. Lessons from the incident informed subsequent planning by tribal governments like Pueblo de San Ildefonso and municipal managers in Los Alamos, and contributed to scientific literature on fire regimes published with authors affiliated with institutions such as the University of California, Berkeley and the Yale School of the Environment.

Category:Wildfires in New Mexico Category:2011 wildfires in the United States