Wildfire Lessons Learned: Prevention, Mitigation, and Recovery
Wildfires are an increasing threat, especially in the American West, with substantial and varied impacts on communities. Federal policies emphasize community wildfire planning and preparedness to bolster local resilience. This article explores wildfire management, mitigation, and recovery strategies based on lessons learned from past events.
The Increasing Threat of Wildfires
The world is experiencing more frequent and intense heat waves, exacerbating wildfire risks. In 2021, Seattle reached a record high of 108 degrees Fahrenheit, while India hit 121 F in April 2022. A U.K. heatwave even melted a runway at London’s Heathrow Airport. These conditions contribute to the increasing prevalence of wildfires.
Understanding Fire: The Fire Triangle
Fire requires three essential components: heat, fuel, and oxygen. This is known as the fire triangle. Effective wildfire management involves addressing these components to minimize destructive fires.
Mitigation Strategies: A Multifaceted Approach
While no single strategy works universally, a combination of tactics and mechanisms can minimize destructive wildfires in various conditions. These include prescribed burns, forest thinning, home assessments, and fortified building codes.
Prescribed Burns: The Ancient Wisdom
Prescribed fires, or controlled burns, are one of the oldest and most proven wildfire mitigation strategies. Indigenous Peoples have used fire as "medicine" for thousands of years. In Arnhem Land, Australia, Aboriginal people revived prescribed fire practices after regaining land rights, significantly reducing the total area burned.
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However, prescribed fires are not without risk. Occasionally, they can escape, with failure rates ranging from 1% to 1.5%. The largest recorded fire in New Mexico history was started by two escaped prescribed burns. Public opposition to prescribed fires can also be significant due to concerns about smoke and related health risks.
Forest Thinning: Modern Forestry Techniques
Modern forestry techniques involve thinning forests to redistribute growth potential to fewer trees, resulting in a stand with a desired structure and composition. This can reduce the amount of fuel available for wildfires.
Home Assessments: Creating Defensible Space
Home assessments involve educating homeowners on how to harden their homes and create defensible space to minimize the effects of fires. In the 1990s, Edmonds, WA, implemented a home visit program that reduced fires by two-thirds.
Fortified Building Codes: Minimizing Fire Damage
Fortified building codes are another effective wildfire mitigation strategy. In 2008, California adopted Chapter 7A into its Building Code. Homes built before 1990 fared poorly in the Camp Fire, with only 11.6% surviving.
The Importance of a Strategic Fire Management Approach
The Carson National Forest (Carson NF) uses a strategic fire management approach that begins with thinning operations followed by prescribed fires. This sequence has proven effective in managing wildfires. Over the years, managers at the Carson NF have created a mosaic of areas that have been thinned and burned, allowing them to safely use wildfires to treat larger landscapes in a cost-effective manner.
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Key Issues Addressed
Buffer zones need to be created around communities to decrease wildfire severity and slow down wildfire spread. Methods such as thinning and prescribed fires are crucial for reducing wildfire severity and spread around communities.
Managing fires for ecological benefits offers an effective and cost-efficient solution for treating large, remote areas of forests. By carefully guiding the fire's progress, managers reduce fuel loads, promote forest health, and create natural barriers against future severe wildfires.
Project Goals
- Implement prescribed fires to mitigate wildfire severity.
- Use thinning and prescribed fires to successfully control wildfires.
- Build community trust and engagement.
Project Highlights
- Past Prescribed Fires Slow Spread of Wildfire and Protect Communities
- Past Thinning and Prescribed Fires Improve Success of Managing Wildfire
- Previous Burns Reduce Fire Severity During Midnight Fire
- Restoring Trust and Addressing Concerns with Fire Impacts
Lessons Learned
The sequence of previous forest treatments used by Carson NF staff proved effective in managing the Midnight Fire. Despite extreme weather, the fire's intensity significantly decreased when it reached areas that had previously experienced fire. Over the years, managers at the Carson NF have created a mosaic of areas that have been thinned and burned.
Benefits of Strategic Fire Management
- Improved watershed health
- Enhanced community safety
- Increased fire resilience
- Sustainable land use
- Economic opportunities
- Improved recreation experiences
- Wildlife habitat conservation
- Increased biodiversity
- Overall ecosystem sustainability and resiliency
The Role of Community Involvement
Successful forest management must include open and transparent communication, actively involving local communities in decision-making, and demonstrating a commitment to prioritizing public safety. Without these connections and partnerships, carrying out fire management activities becomes difficult.
The Carson NF increases communication efforts through multiple approaches, including informal discussions with neighbors and larger presentations at community centers. They discuss outcomes of prescribed fires and wildfires, highlighting successes and lessons learned. The Carson NF engages with local county officials, local volunteer fire departments, and residents to maintain public trust.
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Post-Wildfire Response and Recovery
The increasing frequency and severity of wildfires has generated greater attention towards post-wildfire response and recovery. Post-fire governance requires coordinating response and recovery capacities across jurisdictions, landscapes, and time scales.
Challenges in Post-Fire Recovery
Research has found that persistent administrative and coordination challenges exist within and among federal agencies in the post-fire response and recovery space. These challenges include cross-jurisdictional coordination of key emergency response programs, program rules that affect post-fire project timing and effectiveness, the absence of a formal federal post-fire response strategy, and program funding issues.
Improving Federal Post-Fire Response
To improve the federal post-fire response capacity, study participants stressed the importance of broader cross-jurisdictional use of federal resources, longer timeframes for recovery activities, and reforming the federal funding process.
The Importance of Non-Federal Organizations
Non-federal and non-governmental organizations are instrumental in overcoming these challenges through coordinating response and recovery efforts across both federal and private lands.
Rebuilding After Wildfires
Rebuilding after wildfires is especially challenging because the debris management process is much more extensive than other natural disasters. Preparing in advance for more efficient debris removal lays the groundwork for resilient rebuilding initiatives that prioritize safety, sustainability, and preparedness for future incidents.
Long-term infrastructure planning is crucial for building resilience against wildfires, as it addresses the interdependence of infrastructure and the potential cascading failures that can occur during a disaster.
As recovery progresses and rebuilding efforts begin, it’s important to balance the need to restore infrastructure and communities quickly with rebuilding in a resilient way that is protective against future wildfires. One strategy to accelerate rebuilding and rebuild in a more resilient way is through a preapproved building program strategy.
In an evolving wildfire landscape, it's crucial to not only focus on new construction but also to retrofit existing structures. By developing programs and incentives to retrofit existing structures, communities can enhance their resilience and better protect themselves against future wildfires.
The Role of Technology in Wildfire Management
When combatting wildfires, enabling fire fighters on the front lines to make decisions faster is pivotal. AI and machine learning reduces their cognitive load by reducing the noise-to-signal ratio to generate alerts and highlight other important information so firefighters can respond quickly and efficiently, saving valuable time.
Using remote-sensing technology such as drones and Geographic Information Systems (GIS) can enhance the efficiency of everything from smoke detection to debris removal. Cloud-based platforms enable firefighters and other disaster response officials to quickly scale data collection activities with advanced security features, reducing delays and improving decision-making in critical moments.
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