20210916
17254000
1.0
FGDC CSDGM Metadata
FALSE
MissoulaCountyHazardInfo_20210923
0.000
197050.418300
314877.806400
272661.557200
384570.818500
1
002
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_StatePlane_Montana_FIPS_2500
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20210923
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20210923
07032600
500000
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dataset
Andrew Stickney
Missoula County Community and Planning Services
Senior GIS Specialist
Missoula County (CAPS) 200 W Broadway
Missoula
MT
59802
alstickney@missoulacounty.us
US
406-258-3429
Andrew Stickney
20210923
Free
The data is available at any time from the Missoula County's SharePoint download site as a zipped layer package. If you need it in an alternate format or require other assistance, please contact the Missoula County Technology Department, GIS Division.
Available immediately from the SharePoint Site. Requests for assistance or alternate formats are usually filled within 3-5 business days from when the request is received.
Technology Department, GIS Division
Missoula County
Missoula County Administration Building
Missoula
MT
59801
sig@missoulacounty.us
US
199 W Pine St
406-258-3275
Monday to Friday, 8 a.m. to 5 p.m.; Closed on all major holidays.
Review the data available on the data list and click the SharePoint link to download the available data. If the data you need is not available, please contact the Missoula County Technology Department, GIS Division for assistance using the information provided.
https://www.missoulacounty.us/government/administration/geographic-information-systems/data
Missoula County Available GIS Data List
This web page describes the data available for download from the Missoula County GIS Division and provides a link to the SharePoint download site.
File Geodatabase Feature Class
ArcGIS 10.0
Esri Layer Package with File Geodatabase
ZIP
Polygon features and attributes with metadata and standard symbology
1
Offline transfer via USB or DVD require a written or emailed request be sent to the Missoula County GIS Manager for review and approval. Please explain the reason for the request and the desired format of the data.
https://www.missoulacounty.us/government/administration/geographic-information-systems/data
Missoula County GIS Division's Data List
Provides a list of GIS data available from Missoula County GIS Division and provides a link to the SharePoint download site.
File Geodatabase Feature Class
Esri ArcGIS 12.8.3.29751
Missoula County 2018 Relative Integrated Wildfire Hazard Classification Polygon Feature Class
vector digital data
2018 Missoula County CWPP - Relative Integrated Wildfire Hazard
2018-05-24T00:00:00
2018CWPP_HAZARD
Greg Dillon
United States Forest Service, Rocky Mountain Research Station, Missoula Fire Sciences Lab, Fire Modeling Institute
Spatial Fire Analyst
Rocky Mountain Research Station
Missoula
MT
59808
greg.dillon@usda.gov
US
Missoula Fire Sciences Lab, Fire Modeling Institute
5775 US Highway 10 West
406-829-6783
406-329-4877
https://www.firelab.org/profile/dillon-greg
Staff Profile - Missoula Fire Lab
Missoula County 2018 Community Wildfire Protection Plan
1
-114.864167
-113.227682
47.648700
46.581803
The modeled summary data is clipped to a 30-kilometer buffer of the geographic extent of Missoula County's political boundary. It is based on data from risk assessments performed in 2016 and fuels data from 2015.
2018-05-24T00:00:00
0.000000
0.000000
Missoula County's mission is to provide quality public service to protect and enhance the wellbeing of the people, communities, and environment. The Community and Planning Services (CAPS) department supports the County's mission by providing reliable, current, accurate geospatial information for general mapping and planning purposes. A Community Wildfire Protection Plan (CWPP) is a community-based plan focused on identifying and addressing the local threat of wildfire. The CWPP determines what is at risk and provides a roadmap of actions for the community to address its wildfire risk. The purpose of this feature class is to provide information about relative wildfire hazard in Missoula County (depicted in Figure 1 of the 2018 Missoula County CWPP) in a geospatial format that can be used by geographic information systems (GIS) software for spatial analysis and mapping in support of community wildfire protection efforts. It is intended to be used in conjunction with the 2018 Missoula County Community Wildfire Protection Plan and, where applicable, the 2013 Seeley-Swan Fire Plan.
missoula county; cwpp; community; wildfire; protection; plan; 2018; relative wildfire hazard; model; annual burn probability
likelihood
intensity; flame length; wildfire risk;
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This feature class contains polygon features that provide a cartographic representation of the estimated relative integrated wildfire hazard in Missoula County. These polygons depict spatial summaries of underlying raster data representing probabilistic components of wildfire risk, generated through spatial wildfire risk assessments for Missoula County and the Lolo National Forest.</SPAN></P><P><SPAN> Wildfire risk is a measure of both the probability and consequences of uncertain future wildfire events (Thompson, Zimmerman, Mindar, and Taber. 2016). Risk for any specific location is dependent on three components: the chances of a fire occurring there (burn probability or wildfire likelihood), the likely intensity of fire if it occurs, and the susceptibility of something of value at that location. For the 2018 Missoula County CWPP, fine-scale information on the susceptibility of homes was not readily available, but modeled estimates of burn probability and intensity were. The product of burn probability and expected intensity (flame length) is the integrated wildfire hazard depicted in this polygon feature class.</SPAN></P><P><SPAN> Raster data for burn probability were generated by the U.S. Forest Service's Rocky Mountain Research Station (RMRS) in a 2016 risk assessment for the Lolo National Forest, using the FSim large fire simulator system. Raster data for intensity was generated by the Anchor Point Group in a 2016 risk assessment for Missoula County, using FlamMap fire behavior modeling software and a 90th percentile weather scenario. Both approaches used landscape fuel conditions as of 2015, along with topography, historical weather, and wildfire ignition patterns to model fire behavior across all of Missoula County. Integrated wildfire hazard was calculated by RMRS by multiplying the raster layers of burn probability and average expected intensity (flame length). </SPAN></P><P><SPAN>The raster hazard data were then summarized by the polygons in this feature class to eliminate pixilation and avoid inappropriate fine-scale use of the raster modeling data. Raw hazard values were classified into quartiles to reflect the relative hazard across Missoula County. Each polygon represents a catchment area (local drainage area) for stream segments, as defined and delineated in the U.S. EPA's National Hydrography Dataset Plus (NHDPlus) version 2. For this dataset, catchment area polygon features with an area smaller than 40 acres were merged with neighboring polygons using GIS software. </SPAN></P></DIV></DIV></DIV>
--Data Sources
Rocky Mountain Research Station, U.S. Forest Service
- 2018 Missoula County modeled Relative Wildfire Hazard dataset
- 2016 Annual Burn Probability Estimate (FSim model output)
– 2015 Landscape fuel data (.LCP file) created from LANDFIRE 2012 data and the LANDFIRE Total Fuel Change Tool LANDFIRE Data Distribution Site – Topographic, Surface Fuel, Canopy Fuel, and Vegetation raster layers from LANDFIRE 2012, Version 1.3.0 https://www.landfire.gov/topographic.php
https://www.landfire.gov/fuel.php
https://www.landfire.gov/vegetation.php
https://www.landfire.gov/version_comparison.php
Anchor Point Group
- 2016 Modeled 90th Percentile Flame Length Estimate (FlamMap model output) --Reference Publications Headwaters Economics. 2016. A Comparison of Two Wildfire Risk Modeling Approaches in Missoula County, Montana. Bozeman, MT. Montana Department of Natural Resources & Conservation, Forestry Division. 2013. 2013 Seeley-Swan Fire Plan. Missoula, MT. http://dnrc.mt.gov/divisions/forestry/docs/fire-and-aviation/wui/SeeleySwanFirePlan_2013_RevisionFinal.pdf Thompson, M.P., T. Zimmerman, D. Mindar, and M. Taber. 2016. Risk Terminology Primer: Basic Principles and a Glossary for the Wildland Fire Management Community. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station. Gen. Tech. Rep. RMRS-GTR-349. https://www.fs.usda.gov/treesearch/pubs/50912 Scott, J.H., M.P. Thompson, and D.E. Calkin. 2013. A wildfire risk assessment framework for land and resource management. Fort Collins, CO: USDA Forest Service Rocky Mountain Research Station. Gen. Tech. Rep. RMRS-GTR-315. https://www.fs.fed.us/rmrs/publications/wildfire-risk-assessment-framework-land-and-resource-management Finney, Mark A.; McHugh, Charles W.; Grenfell, Isaac C.; Riley, Karin L.; Short, Karen C. 2011. A simulation of probabilistic wildfire risk components for the continental United States. Stochastic Environmental Research and Risk Assessment. 25: 973-1000.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The purpose of this feature class is to provide information about relative wildfire hazard in Missoula County (depicted in Figure 1 of the 2018 Missoula County CWPP) in a geospatial format that can be used by geographic information systems (GIS) software for spatial analysis and mapping in support of community wildfire protection efforts. It is intended to be used in conjunction with the 2018 Missoula County Community Wildfire Protection Plan and, where applicable, the 2013 Seeley-Swan Fire Plan. </SPAN></P><P><SPAN>The relative wildfire hazard information presented is an aggregate summary of the raw source data and is not appropriate for determining wildfire hazard for individual structures, parcels, or properties. The wildfire hazard classification used in this dataset is intended to make interpreting wildfire hazard estimates more convenient. Classifications such as “low” and“moderate” risk do not mean that there is no risk. Many wildfires occur in areas other than “high” or “extreme” risk areas, and can have negative consequences. For this reason, communities should consider all risk when discussing potential wildfire impacts. The data in this feature class has been converted from its original raster format. </SPAN></P><P><SPAN>While Missoula County has made all attempts to ensure the correctness and suitability of information under our control and to correct any problems or errors which have been brought to our attention, no representation or guarantee can be made as to the correctness or suitability of that information or any other linked information presented, referenced, or implied. No endorsement is intended or made of any hypertext link, product, service, or information either by its inclusion or exclusion from this dataset. The information provided is for reference only. Anyone using this information should first consult original records and personally verify the accuracy of any and all information/data provided. </SPAN></P></DIV></DIV></DIV>
This dataset is updated either when new risk assessment or modeling source data becomes available or when the Missoula County Community Wildfire Protection Plan is updated.
While Missoula County has made all attempts to ensure the correctness and suitability of information under our control and to correct any problems or errors which have been brought to our attention, no representation or guarantee can be made as to the correctness or suitability of that information or any other linked information presented, referenced, or implied. No endorsement is intended or made of any hypertext link, product, service, or information either by its inclusion or exclusion from this dataset. The information provided is for reference only. Anyone using this information should first consult original records and personally verify the accuracy of any and all information/data provided.
A simulation of probabilistic wildfire risk components for the continental United States
2011-03-27T00:00:00
Stochastic Environmental Research and Risk Assessment
25
973-1000
FSIM_Documentation2011
https://www.fs.usda.gov/treesearch/pubs/39312
FSim Research Publication Download Page
A webpage containing a download link for a research publication describing the FSim program
document
Proper Citation of this document is: Finney, Mark A.; McHugh, Charles W.; Grenfell, Isaac C.; Riley, Karin L.; Short, Karen C. 2011. "A simulation of probabilistic wildfire risk components for the continental United States". Stochastic Environmental Research and Risk Assessment. 25: 973-1000.
Finney, Mark. A
USDA Forest Service
USDA Forest Service, Missoula Fire Sciences Laboratory
Missoula
MT
59808
mark.finney@usda.gov
US
5775 Highway 10 West
406-329-4832
McHugh, Charles W
Grenfell, Isaac. C.
Riley, Karin L.
Short, Karen C.
A wildfire risk assessment framework for land and resource management.
2013-10-01T00:00:00
Rocky Mountain Research Station General Technical Reports
General Technical Report 315
Standard citation: Scott, Joe H.; Thompson, Matthew P.; Calkin, David E. 2013. A wildfire risk assessment framework for land and resource management. Gen. Tech. Rep. RMRS-GTR-315. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 83 p.
https://www.fs.fed.us/rm/pubs_series/rmrs/gtr/rmrs_gtr315.pdf
USFS Digital PDF publication
A digital document describing a national wildfire risk assessment framework for land and resource management
document
RMRS-GTR-315
Publishing Services
USDA Forest Service Rocky Mountain Research Station
Publications Distribution
Fort Collins
CO
80526
rschneider@fs.fed.us
US
Rocky Mountain Research Station
240 West Prospect Road
970-498-1392
970-498-1122
You may order additional copies of this publication by sending your mailing information in label form through one of the following media. Please specify the publication title and number.
http://www.fs.fed.us/rmrs
Scott, Joe H.
Thompson, Matthew P.
Calkin, David E.
Greg Dillon
United States Forest Service, Rocky Mountain Research Station, Missoula Fire Sciences Lab, Fire Modeling Institute
Spatial Fire Analyst
Rocky Mountain Research Station
Missoula
MT
59808
greg.dillon@usda.gov
US
Missoula Fire Sciences Lab, Fire Modeling Institute
5775 US Highway 10 West
406-829-6783
406-329-4877
https://www.firelab.org/profile/dillon-greg
Staff Profile - Missoula Fire Lab
Greg Dillon
Missoula County, Montana
wildfire, hazard, risk assessment, annual burn probability; flame length; integrated wildfire hazard; No-HARM; FSim; FlamMap; CWPP; community wildfire protection plan
2013 Seeley-Swan Fire Plan
2013-12-31T00:00:00
http://dnrc.mt.gov/divisions/forestry/docs/fire-and-aviation/wui/SeeleySwanFirePlan_2013_RevisionFinal.pdf
document
2013SeeleySwanFirePlanCWPP
Forestry Division
Montana Department of Natural Resources & Conservation
Montana Department of Natural Resources & Conservation, Forestry Division
Missoula
MT
59804
US
2705 Spurgin Rd
406-542-4300
406-542-4217
http://dnrc.mt.gov/divisions/forestry
Risk Terminology Primer: Basic Principles and a Glossary for the Wildland Fire Management Community.
2016-05-01T00:00:00
Standard citation:
Thompson, Matthew P.; Zimmerman, Tom; Mindar, Dan; Taber, Mary. 2016. Risk terminology primer: Basic principles and a glossary for the wildland fire
management community. Gen. Tech. Rep. RMRS-GTR-349. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 13 p.
https://www.fs.usda.gov/treesearch/pubs/50912
document
Publishing Services
USDA Forest Service Rocky Mountain Research Station
Publications Distribution
Fort Collins
CO
80526
rschneider@fs.fed.us
US
Rocky Mountain Research Station
240 West Prospect Road
970-498-1392
970-498-1122
You may order additional copies of this publication by sending your mailing information in label form through one of the following media. Please specify the publication title and number.
http://www.fs.fed.us/rmrs
Publishing Services
Thompson, Matthew P.
Thompson, Matthew P.
Zimmerman, Tom
Mindar, Dan
Taber, Mary
A Comparison of Two Wildfire Risk Modeling Approaches in Missoula County, Montana
2016-07-01T00:00:00
document
Kimiko Barrett, PhD
Headwaters Economics
kimi@headwaterseconomics.org
406-224-1837
2018 Missoula County Community Wildfire Protection Plan Document
Figure 1. Relative Wildfire Hazard in Missoula County
2018-05-24T00:00:00
https://www.missoulacounty.us/home/showdocument?id=30120
2018 Missoula County Community Wildfire Protection Plan
Digital PDF copy of the 2018 Missoula County CWPP with a static map of this dataset - See Figure 1.
map
2018MissoulaCountyCWPP_PDF
Missoula County Wildfire Hazard Risk Assessment Map
2018-05-24T00:00:00
http://apps.missoulacounty.us/go/cwpp-wildfirehazard
Missoula County Wildfire Hazard Risk Assessment Map
An interactive web-based map viewer that portrays the relative wildfire hazard risk assessment layer for Missoula County.
vector digital data
MissoulaCountyHazardMapViewer
The National Hydrography Dataset Plus (NHDPlus) is a national geospatial surface water framework. Geospatial analysts and modelers use this framework to support water resources applications. The U.S. EPA developed and maintains NHDPlus in partnership with the U.S. Geological Survey.
Description source: https://www.epa.gov/waterdata/nhdplus-national-hydrography-dataset-plus
The publication date is referenced for the Upper Missouri (10U) Data Region, which includes the State of Montana.
24000
National Hydrography Dataset Plus (NHDPlusV2)
2016-09-09T00:00:00
vector digital data
https://www.epa.gov/waterdata/get-nhdplus-national-hydrography-dataset-plus-data
Get NHDPlus (National Hydrography Dataset Plus) Data
Provides information and download links for v2 generations of this dataset
NHDPlusV2
Project Management Office
U.S. Environmental Protection Agency, Office of Water
Environmental Protection Agency
Washington
DC
20460
nhdplus-support@epa.gov
US
Office of Water, Project Management Office
M/C #4101M
1200 Pennsylvania Avenue, N.W
If you require technical support for NHDPlus, please send an email to NHDPlus Support (nhdplus-support@epa.gov) with your question.
https://www.epa.gov/waterdata/forms/contact-us-about-water-data-and-tools
Contact page for Water Data and Tools
Page with contact information and comment forms for submitting questions about GIS data and tools provided by EPA's Office of Water
The original dataset's geographic extent was clipped from the Upper Missouri Vector Processing Unit (as defined by US EPA) to a 30-kilometer buffer of the Missoula County Political Boundary. The temporal extent reflect the publication date of the NHDPLusV2 data refresh/release used by the Rocky Mountain Research Station to identify catchment basins in Missoula County.
2016-09-09T00:00:00
The Landscape (.LCP) file, a multi-band raster format commonly used by wildland fire behavior and fire effects models such as FARSITE and FlamMap. The bands of an .LCP file store data describing terrain, tree canopy, and surface fuel.
Definition source: https://www.landfire.gov/lcp.php
Lolo and Bitterroot National Forest Landscape (.LCP) file
2016-03-09T00:00:00
Landscape (.LCP) file
raster digital data
Greg Dillon
United States Forest Service, Rocky Mountain Research Station, Missoula Fire Sciences Lab, Fire Modeling Institute
Spatial Fire Analyst
Rocky Mountain Research Station
Missoula
MT
59808
greg.dillon@usda.gov
US
Missoula Fire Sciences Lab, Fire Modeling Institute
5775 US Highway 10 West
406-829-6783
406-329-4877
https://www.firelab.org/profile/dillon-greg
Staff Profile - Missoula Fire Lab
Greg Dillon
The original geographic extent of the Landscape File used for this project covered the full extent of the Lolo and Bitterroot National Forests, all of Missoula County, plus a 20km buffer. The temporal extent reflects landscape fuel conditions as of the end of 2015.
2016-03-09T00:00:00
36000
Esri File geodatabase containing model output data from FSim wildfire simulation program in 180 meter raster format. The outputs from FSim include the annual probability of fire occurrence and the most likely fire intensity (conditional flame length) for every pixel in the modeled landscape based on 10,000 modeled fire seasons.
360000
FSim Annual Burn Probability and Fire Intensity Model Output Data
2016-12-30T00:00:00
raster digital data
FSimOutputs_RMRS_MissoulaCounty2016
Greg Dillon
United States Forest Service, Rocky Mountain Research Station, Missoula Fire Sciences Lab, Fire Modeling Institute
Spatial Fire Analyst
Rocky Mountain Research Station
Missoula
MT
59808
greg.dillon@usda.gov
US
Missoula Fire Sciences Lab, Fire Modeling Institute
5775 US Highway 10 West
406-829-6783
406-329-4877
https://www.firelab.org/profile/dillon-greg
Staff Profile - Missoula Fire Lab
Greg Dillon
The original geographic extent of the dataset reflects the administrative boundary of the Lolo National Forest unit. The temporal extent reflects the estimated publication date of the original dataset.
2016-12-30T00:00:00
Esri File geodatabase containing model output data from FlamMap wildfire simulation program in 30 meter raster format. The outputs from FlamMap include modeled flame lengths and a wildfire risk assessment score for every pixel in the modeled landscape based on 90th percentile weather conditions to reflect fire behavior during a typical day during a fire season.
60000
National Hazard and Risk Model (No-HARM) Risk Assessment Model - FlamMap Wildfire Behavior Model Output Raster Data
2016-07-01T00:00:00
raster digital data
FlamMapOutputs_NoHARM_MissoulaCounty2016
Chris White
Anchor Point Group
Chief Operations Officer
3775 Iris Avenue, Suite 2A
Boulder
CO
80301
cwhite@anchorpointgroup.com
US
303-550-4505
https://www.anchorpointgroup.com/
Anchor Point Group company website
A website containing information about the company and its services
The original geographic extent of this dataset reflects the political boundary of Missoula County. The temporal extent reflects the estimated publication date of the original dataset.
2016-07-01T00:00:00
A file geodatabase from the Missoula County GIS Division containing various standard vector datasets produced by the GIS Division.
Missoula County Standard Vector GIS Data - File Geodatabase
2016-09-09T00:00:00
vector digital data
2019_MissoulaCountyGISData
Technology Department, GIS Division
Missoula County
Missoula County Administration Building
Missoula
MT
59801
sig@missoulacounty.us
US
199 W Pine St
406-258-3275
Monday to Friday, 8 a.m. to 5 p.m.; Closed on all major holidays.
Review the data available on the data list and click the SharePoint link to download the available data. If the data you need is not available, please contact the Missoula County Technology Department, GIS Division for assistance using the information provided.
https://www.missoulacounty.us/government/administration/geographic-information-systems/data
Missoula County Available GIS Data List
This web page describes the data available for download from the Missoula County GIS Division and provides a link to the SharePoint download site.
Technology Department, GIS Division
The geographic extent of the original datasets in this file geodatabase represents the political boundary of Missoula County. The data was not modified for this project. The temporal extent reflects the estimated publication date of the original dataset.
2016-09-09T00:00:00
In 2016, both the Anchor Point Group and the USFS Rocky Mountain Research Station obtained weather information from Remote Automated Weather Stations (RAWS) data and 2015 vintage landscape file (LCP) datasets containing information about surface fuels, topography, and forest canopy information derived from LANDFIRE data and input them into fire simulation models to create modeled estimates of wildfire behavior and risk for Missoula County. The Anchor Point Group used the FlamMap fire simulation software while the USFS Rocky Mountain Research Station used the FSim fire simulation software. The output raster datasets from each of the two fire simulation models were then clipped using a raster mask representing a 30-kilometer polygon buffer of the Missoula County political boundary.
2016-06-01T00:00:00
A LANDFIRE Landscape File (*.LCP) containing 2015-vintage information on surface landscape fuels, terrain, and forest canopy.
2015 LANDFIRE Landscape (.LCP) file
LCP_LANDFIRE_2015
Esri File geodatabase containing model output data from FSim wildfire simulation program in 180 meter raster format. The outputs from FSim include the annual probability of fire occurrence and the most likely fire intensity (conditional flame length) for every pixel in the modeled landscape based on 10,000 modeled fire seasons.
FSim Annual Burn Probability and Fire Intensity Model Output Data
FSimOutputs_RMRS_MissoulaCounty2016
Esri File geodatabase containing model output data from FlamMap wildfire simulation program in 30 meter raster format. The outputs from FlamMap include modeled flame length probabilities, conditional flame length (mostly likely) and a wildfire risk assessment score created by the Anchor Point Group using their No-HARM model for every pixel in the modeled landscape based on 90th percentile weather conditions to reflect fire behavior during a typical day during a fire season.
National Hazard and Risk Model (No-HARM) Risk Assessment Model - FlamMap Wildfire Behavior Model Output Raster Data
FlamMapOutputs_NoHARM_MissoulaCounty2016
The USFS Rocky Mountain Research Station identified and extracted catchment basins and Level-12 Hydrologic Unit (HUC12) sub-watersheds polygon features from the NHDPlusV2 dataset for the Upper Missouri (10U) Vector Processing Unit that intersected a 30-kilometer buffer around the Missoula County political boundary in ArcGIS. Then catchment basis with an area smaller than 40 acres in size were merged with adjacent catchments using the ArcGIS Eliminate tool.
2018-01-04T00:00:00
The National Hydrography Dataset Plus (NHDPlus) is a national geospatial surface water framework. Geospatial analysts and modelers use this framework to support water resources applications. The U.S. EPA developed and maintains NHDPlus in partnership with the U.S. Geological Survey.
Description source: https://www.epa.gov/waterdata/nhdplus-national-hydrography-dataset-plus
National Hydrography Dataset Plus (NHDPlusV2)
NHDPlusV2
Using ArcGIS, Spatial Analyst, and the Zonal Statistics tool, the raw model wildfire likelihood and intensity outputs were summarized for each catchment basin in the cleaned-up dataset for Missoula County. For each catchment polygon, the minimum, maximum, mean, sum, and standard deviation were calculated for each model output variable.
The variables summarized included:
Annual Burn Probability (BP - FSim)
Conditional Flame Length (CFL - FSim)
Flame Length - 90th Percentile (FL90 - FlamMap)
The raw wildfire hazard score for each catchment basin was then calculated in the ArcGIS Field Calculator by multiplying the mean flame length from each fire simulation model (CFL_MEAN and FL90_MEAN) by the mean annual burn probability (BP_MEAN) and classified into categories based on the six standard fire intensity levels used in the FSim modeling software (see Scott et. al., 2013). The relative integrated wildfire hazard was then calculated by applying a quartile classification to the raw wildfire hazard score from the 90th percentile hazard model (HAZ90_MEAN) and creating a new text field (MissoulaCountyHazardCode) to hold a text-based code assigned to each quartile to allow easier interpretation of the relative integrated wildfire hazard as "Low", "Moderate", "High", "Very High" for each catchment basin. Quartile classifications and text-based codes were also generated for the mean annual burn probability (BP_MEAN), and the mean flame length at 90th percentile (FL90_MEAN).
2018-01-11T00:00:00
Rocky Mountain Research Station FSim model output raster data.
FSim Annual Burn Probability and Fire Intensity Model Output Data
FSimOutputs_RMRS_MissoulaCounty2016
FlamMap modeled output (90th percentile conditional flame length) - Anchor Point Group
National Hazard and Risk Model (No-HARM) Risk Assessment Model - FlamMap Wildfire Behavior Model Output Raster Data
FlamMapOutputs_NoHARM_MissoulaCounty2016
Cleaned up catchment basin polygon features for Missoula County from NHDPLusV2
National Hydrography Dataset Plus (NHDPlusV2)
NHDPlusV2
The model output raster data has been clipped from the original datasets to conform to a 30-kilometer buffer around the Missoula County political boundary. Within that subset range, the calculated final scores summarized by catchment polygon should represent the distribution of average annual burn probability from FSim and average 90th percentile flame length per polygon in a manner that is consistent with the values if compared to the same geographic subset of the original data. The single exception would be that catchment basins polygons smaller than 40 acres were eliminated. Although this layer is still generally consistent with the concept of the original data, the interior boundaries between adjacent catchment features will differ from the original dataset and should not be combined with other datasets aligned to the original boundaries.
All source datasets have been clipped or masked to provide complete coverage of Missoula County plus a 30-kilometer buffer around its political boundary. Since catchment basins smaller than 40 acres were merged with adjacent basins instead of being deleted, the final products do not have "no data" areas and should cover all of Missoula County.
0
EPSG
4.5(3.0.1)
MissoulaCountyHazardInfo_20210923
Feature Class
0
A collection of geographic features with the same geometry type (such as point, line, or polygon), the same attributes, and the same spatial reference.
Esri
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
FEATUREID
FEATUREID
Integer
4
0
0
ComID of the associated NHDFlowline
US EPA NHD Plus V2 User Guide
The range of values for this dataset cannot be enumerated because there are over 2000 distinct values and some were deleted when the Eliminate tool was used to remove small catchment basins.
Zone
Zone
SmallInteger
2
0
0
A number representing the ObjectID of the original catchment feature in the source feature class. Each catchment feature was used as the zone for which summary statistics were calculated and the OBJECTID was used as the zone identifier
Greg Dillon, U.S. Forest Service Rocky Mountain Research Station
The range of values for this dataset cannot be enumerated because there are over 2000 distinct values and some were deleted when the Eliminate tool was used to remove small catchment basins.
CFL_COUNT
CFL_COUNT
Integer
4
0
0
CFL_MIN
CFL_MIN
Double
8
0
0
CFL_MAX
CFL_MAX
Double
8
0
0
CFL_MEAN
CFL_MEAN
Double
8
0
0
A number representing the mean (average) conditional flame length value for each catchment basin. This value was calculated by the Zonal Statistics tool in ArcGIS Spatial Analyst
Missoula County Community and Planning Services
0
7.117
CFL_STD
CFL_STD
Double
8
0
0
CFL_SUM
CFL_SUM
Double
8
0
0
HAZ90_COUNT
HAZ90_COUNT
Integer
4
0
0
HAZ90_MIN
HAZ90_MIN
Double
8
0
0
HAZ90_MAX
HAZ90_MAX
Double
8
0
0
HAZ90_MEAN
HAZ90_MEAN
Double
8
0
0
A number representing the average (mean) wildfire hazard score for each catchment basin as determined using 90th percentile weather conditions FlamMap model output variable and the No-HARM risk assessment model. This value was calculated by the Zonal Statistics tool in ArcGIS Spatial Analyst.
Missoula County Community and Planning Services
0
0.27356
HAZ90_STD
HAZ90_STD
Double
8
0
0
HAZ90_SUM
HAZ90_SUM
Double
8
0
0
BP_COUNT
BP_COUNT
Integer
4
0
0
BP_MIN
BP_MIN
Double
8
0
0
BP_MAX
BP_MAX
Double
8
0
0
BP_MEAN
BP_MEAN
Double
8
0
0
A number representing the mean (average) annual burn probability value for each catchment basin as determined by the FSim model. This value was calculated by the Zonal Statistics tool in ArcGIS Spatial Analyst.
Missoula County Community and Planning Services
<0.0006
A raster pixel located in this catchment basin has <0.6 in 1,000 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.0006 - 0.001
A raster pixel located in this catchment basin has between <0.6 in 1,000 and 1 in 1,000 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.001 - 0.003
A raster pixel located in this catchment basin has between 1 in 1,000 and 3 in 1,000 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.003 - 0.006
A raster pixel located in this catchment basin has between 3 in 1,000 and 6 in 1,000 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.006 - 0.01
A raster pixel located in this catchment basin has between 6 in 1,000 and 1 in 100 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.01 - 0.03
A raster pixel located in this catchment basin has between 1 in 100 and 3 in 100 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.03 - 0.06
A raster pixel located in this catchment basin has between 3 in 100 and 6 in 100 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
0.06 - 0.1
A raster pixel located in this catchment basin has between 6 in 100 and 1 in 10 chances (on average) of burning during a fire season.
Missoula County Community and Planning Services
A Classification of Average Annual Burn Probability for Missoula County Catchment Basins
Adapted from Table 6, US Forest Service Rocky Mountain Research Station General Technical Report 315 (Scott, et. al, 2013)
BP_STD
BP_STD
Double
8
0
0
A number representing the standard deviation of the annual burn probability value distribution for each catchment basin as determined by the FSim model.
This value was calculated by the Zonal Statistics tool in ArcGIS Spatial Analyst.
Missoula County Community and Planning Services
0
0.011338
BP_SUM
BP_SUM
Double
8
0
0
HAZ_COUNT
HAZ_COUNT
Integer
4
0
0
HAZ_MIN
HAZ_MIN
Double
8
0
0
HAZ_MAX
HAZ_MAX
Double
8
0
0
HAZ_MEAN
HAZ_MEAN
Double
8
0
0
HAZ_STD
HAZ_STD
Double
8
0
0
HAZ_SUM
HAZ_SUM
Double
8
0
0
FL90_COUNT
FL90_COUNT
Integer
4
0
0
FL90_MIN
FL90_MIN
Double
8
0
0
FL90_MAX
FL90_MAX
Double
8
0
0
FL90_MEAN
FL90_MEAN
Double
8
0
0
A number representing the mean (average) flame length for each catchment basin as determined using the FlamMap model run at 90th percentile weather conditions. This value was calculated by the Zonal Statistics tool in ArcGIS Spatial Analyst.
Missoula County Community and Planning Services
0
14.0047
FL90_STD
FL90_STD
Double
8
0
0
FL90_SUM
FL90_SUM
Double
8
0
0
Hazard
Hazard
Double
8
0
0
Hazard90
Hazard90
Double
8
0
0
MslaCnty_HazardCode
Integrated Wildfire Hazard Level (Text)
String
255
0
0
A text-based quartile classification of the average (mean) wildfire hazard score (HAZ90_MEAN) for each catchment basin as determined using 90th percentile weather conditions FlamMap model output variable and the No-HARM risk assessment model. The quartile classification is intended to reflect the relative wildfire hazard score distribution within Missoula County and make it easier to interpret.
Missoula County Community and Planning Services
Low
This text value indicates that the wildfire hazard for this catchment basin is low relative to other areas of Missoula County.
Missoula County Community and Planning Services
Moderate
This text value indicates that the wildfire hazard for this catchment basin is moderate relative to other areas of Missoula County.
Missoula County Community and Planning Services
High
This text value indicates that the wildfire hazard for this catchment basin is high relative to other areas of Missoula County.
Missoula County Community and Planning Services
Very High
This text value indicates that the wildfire hazard for this catchment basin is very high relative to other areas of Missoula County.
Missoula County Community and Planning Services
Text-Based Quartile Classification of Relative Wildfire Hazard at 90th percentile for Missoula County Catchment Basins
Greg Dillon, Rocky Mountain Research Station
MslaCnty_FlameLengthCode
Flame Length at 90th Percentile (Text - Feet)
String
255
0
0
A text-based quartile classification of the average (mean) expected flame length (FL90_MEAN) for each catchment basin as determined using 90th percentile weather conditions FlamMap model output variable. The classification is a modification of a standard classification used to describe the expected flame length for six standard fire intensity levels.
Missoula County Community and Planning Services
0 to 2 feet
The average expected flame length of a wildfire burning a raster pixel in this catchment basin is 0 to 2 feet under 90th percentile weather conditions. This corresponds to a numeric value of less than 2.
Missoula County Community and Planning Services
2 to 4 feet
The average expected flame length of a wildfire burning a raster pixel in this catchment basin is 2 to 4 feet under 90th percentile weather conditions. This corresponds to a numeric value greater than or equal to 2 and less than or equal to 4.
Missoula County Community and Planning Services
4 to 6 feet
The average expected flame length of a wildfire burning a raster pixel in this catchment basin is 4 to 6 feet under 90th percentile weather conditions. This corresponds to a numeric value greater than or equal to 4 and less than or equal to 6.
Missoula County Community and Planning Services
6 or greater feet
The average expected flame length of a wildfire burning a raster pixel in this catchment basin is 6 or greater feet under 90th percentile weather conditions. This corresponds to a numeric value greater than 6.
Missoula County Community and Planning Services
A Classification of Average (Mean) Flame Length for Missoula County Catchment Basins
Adapted from Table 5, US Forest Service Rocky Mountain Research Station General Technical Report 315 (Scott, et. al, 2013)
MslaCnty_AnnualBurnProbltyCode
Annual Burn Probability Code (Text)
String
255
0
0
A text-based quartile classification of the average (mean) annual burn probability (BP_MEAN) for each catchment basin as determined using the FSim model output variable. The classification is a modification of a standard numeric classification used to describe the chances of a wildfire occurring at a given location during an annual fire season. It is intended to reflect the relative distribution of annual burn probability values within Missoula County.
Missoula County Community and Planning Services
A Quartile Classification of Relative Average Annual Burn Probability for Missoula County Catchment Basins
Adapted from Table 6, US Forest Service Rocky Mountain Research Station General Technical Report 315 (Scott, et. al, 2013)
Low
A raster pixel located in this catchment basin has a low average probability (less than 76 in 1,000 chances) of burning during a fire season.
Missoula County Community and Planning Services
Moderate
A raster pixel located in this catchment basin has a moderate average probability (between 76 in 1,000 chances and 11 in 100 chances) of burning during a fire season.
Missoula County Community and Planning Services
High
A raster pixel located in this catchment basin has a high average probability (between 11 in 1,000 chances and 14 in 100 chances) of burning during a fire season.
Missoula County Community and Planning Services
Very High
A raster pixel located in this catchment basin has a very high average probability (greater than or equal to 14 in 100 chances) of burning during a fire season.
Missoula County Community and Planning Services
Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
Shape_Area
Shape_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
Simple
FALSE
0
TRUE
TRUE