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Southwestern Region Wildfire Risk Assessment – USDA Forest Service
April 2016
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Purpose Present an overview of the Forest Service Regional Wildfire Risk Assessment, current status and expected outcomes. Present a framework for assessing risk from wildfire. Overview of Wildfire Risk Assessment Update on current status and preliminary results Next steps and Proposed Timelines
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Likelihood x Severity x Exposure
A Risk Definition What is risk? Potential of losing or gaining something of value Likelihood x Severity x Exposure
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Risk Framework RMRS GTR 315
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Why a Wildfire Risk Assessment
Common Operating Picture Identifying and Quantifying Values at Risk Communicating about that Risk Communication platform Prioritization Preparedness and Response planning Budget Allocation Future Questions: Where can wildfire risk be feasibly mitigated. How will management activities affect wildfire likelihood, wildfire intensity, or values and asset susceptibility Identifying and understanding risk posed by wildfire can facilitate prioritization and development of risk mitigation strategies.
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What is a Wildfire Risk Assessment
Fire likelihood, fire intensity, and fire effects – displayed spatially
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The Process - Framework
To complete this assessment we need and are seeking involvement at multiple levels in the Agency. Overview and details for each component (PROCESS) Component 1 – The wildfire simulations are being completed by Missoula Fire Lab and Fire Modeling Institute in Missoula Components 2 – seeking support from regional resource staffs and fire behavior specialists regarding how identified HVRAs may be affected by fire. Based upon the highly valued resources and assets this group would consist of 5-7 individuals. Component 3 - The purpose of this workshop was to establish quantitative weights that differentiate the relative importance of HVRAs.
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Fire Hazard Results
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Fire Hazard Results
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Process - Framework To complete this assessment we need and are seeking involvement at multiple levels in the Agency. Overview and details for each component (PROCESS) Component 1 – The wildfire simulations are being completed by Missoula Fire Lab and Fire Modeling Institute in Missoula Components 2 – seeking support from regional resource staffs and fire behavior specialists regarding how identified HVRAs may be affected by fire. Based upon the highly valued resources and assets this group would consist of 5-7 individuals. Component 3 - The purpose of this workshop was to establish quantitative weights that differentiate the relative importance of HVRAs.
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Highly Valued Resources and Assets
What’s important on our landscapes? Spatial (able to be mapped) Consistent across the assessment scale 9 HVRA Categories: WUI Watersheds (Drinking Water) Ecosystem Function Recreation Timber Infrastructure Rangeland Tribal Wildlife Habitat
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HVRA Relative Importance
Results from the Relative Importance Workshop 2 Forest Supervisors 2 RO Directors 1 Executive
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Results - Landscape Value
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Process To complete this assessment we need and are seeking involvement at multiple levels in the Agency. Overview and details for each component (PROCESS) Component 1 – The wildfire simulations are being completed by Missoula Fire Lab and Fire Modeling Institute in Missoula Components 2 – seeking support from regional resource staffs and fire behavior specialists regarding how identified HVRAs may be affected by fire. Based upon the highly valued resources and assets this group would consist of 5-7 individuals. Component 3 - The purpose of this workshop was to establish quantitative weights that differentiate the relative importance of HVRAs.
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Fire Effects - Susceptibility
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Fire Effects - Susceptibility
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Fire Effects - Susceptibility
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Fire Effects - Susceptibility
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Fire Effects – Wildlife Habitat
Riparian habitat was mapped based on RMAP data. The Aquatic Habitat category was build using HUC6 watersheds that contained any of the following species presence (Based on Section 7 data, except garter snakes from USFWS); Northern Mexican garter snake, Narrow-headed garter snake, Chiricahua leaopard frog, Apache trout, Gila chub, Gila trout, Loach minnow, Spikedace, Roundtail chub, Headwater chub, and Rio Grande cutthroat trout. The Aquatic Habitat values were then also subdivided into erosion hazard to better represent fire effects. Fire Effects – Wildlife Habitat
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Fire Effects - Susceptibility
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Fire Effects - Susceptibility
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Ecosystem Function
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Fire Effects - Susceptibility
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Results – Integrated Wildfire Risk
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Conditional Net Value Change
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Scale of a Wildfire Risk Assessment
Address SCALE and ALL LANDS Scalability - The scale we are addressing today is a Regional level assessment. However, a wildland fire risk assessment can be developed down to the project level. Once a regional assessment is completed - there may be a need to scale the assessment to the Forest level. Scaling to the forest level is occurring in R2 because the highly valued resources and assets are not distributed evenly across the Region. The value of the scalability includes: Prioritization and allocation of forest level funding. Local issues can be highlighted, and refinement of fire behavior. Data sets are greater resolution. Allows local communication with cooperators and stakeholders ALL LANDS: DOI leadership is currently looking at our process and procedures and it is anticipated they will adopted a similar (if not the same process in the future). The risk assessment process can be applied a crossed all lands: it is scalable and linkable.
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Now what? FSim contract for all lands in region
AZ and NM state interest TNC interest Updates to fuel in SE AZ Need to look at relative importance of values WUI –broken out by density Tribal values Final results in July
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Questions, Comments, Suggestions???
Contact: Tessa Nicolet
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