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Published byAlannah Fitzgerald Modified over 9 years ago
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Kim Kelly – NWRO GIS Specialist Gene Lonning – NWRO Fuels Specialist March 2009 Northwest Regional Office Risk Assessment
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National Risk Assessment Low Resolution – Budget Decisions Examples: EMDS and BIA National RA National Risk Assessment Regional Risk Assessment Local Risk Assessment Risk Assessments Scale & Purpose Regional Risk Assessment Moderate Resolution - Budget Decisions Examples: Florida State RA, NWRO Regional RA Local Reservation Risk Assessment High Resolution - Project Level Fuels Planning Examples: Spokane, CSKT, Warm Springs, CDA
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Risk Assessment Inputs Risk Probability ValueHazard Ecosystem Performance
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Risk Elements and Datasets
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Flame Length Rate of Spread Crown Fire Activity Fire Behavior/ Hazard Fire HazardValues at Risk Fire ProbabilityPerformance Silvis WUI Timber Value Values at Risk All Fire Starts Large Fires > 100ac PS Dryness Level Fire Probability Fire Regime Groups FRCC Performance
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Risk Elements & Classification
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Fire Behavior Analysis Fire Hazard Fire Behavior Analysis Landfire Data Not Calibrated Composite Output Crown Fire, Surface Fire, Flame Length Extreme Fire Conditions 20ft winds @ 25 mph Fuel Moisture File 1hr, 10hr, 100hr, LH, LW 1 3 3 7 15 60 2 3 3 7 15 60 4 3 3 7 15 60 5 3 3 7 15 60 6 3 3 7 15 60 7 3 3 7 15 60 8 5 5 6 30 60 9 4 4 5 30 60 10 5 5 6 30 60 11 4 4 5 30 60 12 4 4 5 30 60 Fire Behavior Acres
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Fire Hazard Map
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Fire Probability
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Fire Probability Map Fire Occurrence
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Fire Probability Map Large Fire + Predictive Services Dryness Levels
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Values at Risk – Forest Timber Types Forest Timber Type Map Forest Timber Types
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Values at Risk – Silvis WUI Silvis WUI MapSilvis WUI Acres Agency/ReservationAcres Siletz - Grand Ronde, Coquille, Siletz1489 Olympic Peninsula/ Puget Sound / Metlakatla57465 Siletz - Cow Creek75 QIN35576 Ft. Hall227374 Nez Perce630528 Umatilla131834 Coeur d'Alene198596 Warm Springs110521 Yakama584953 Spokane97322 CKST731474 Colville287486
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Ecosystem Performance Map Fire Regime Groups
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Ecosystem Performance Map FRCC
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Overall Risk Map
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Overall Risk Acres by Reservation
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NWR Pre-Assessment Ranking
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