Input Variable Maps

112 Results
209 Structures Lost (Number)

Cumulative structures lost 2002-2011 reported in 209 reports.

209 Structures Lost (Rate)

Structures Lost per 1,000 Acres burned, based on 209 data and State and Fed incidents

Accidental Area Burned

Mean annual area burned from unknown and accidental causes, normalized by area.

Accidental Fire Incidents

Mean annual number of incidents from unknown and accidental causes, normalized by area

Annual Average Reported Federal Incidents

Annual average of reported federal incidents (per 100 sq mi).

Annual Average Reported NFIRS Incidents

Annual average of reported NFIRS incidents (per 100 sq mi).

Annual Average Reported State Incidents

Annual average of reported state incidents (per 100 sq mi).

Area Burned by Natural Ignitions

Area burned by fires started by natural causes, normalized by county area.

Area Forested

Percent of county area with forested landcover.

This variable was used as an input to the Landscape Classes.

Bailey's Ecoregions

Bailey's ecoregion (modal value).

Children Below Poverty Line

Children below the poverty line - Percentage of children in the county that are below the poverty threshold.

Community Clusters

Community cluster based on eight clusters.

Conservation Partners

Primary conservation partner from the PADUS based on area managed.

Demographic Advantage

Demographic factor score of socioeconomic factors such as poverty rates, household income, population growth and educational attainment.

Demographic Stress

Demographic factor score of socioeconomic factors such as poverty rates, household income, population growth and educational attainment.

Dominant Economic Activity

Dominant economic activity from the USDA Economic Research Service's ERS County typology codes.

Estimated Prescribed Fire Activity

Estimated area burned in Rx fire, 2008-2011, based on hotspots and total area burned. Normalized by area. Units are log10[ac] per 100 sq mi.

Families Below Poverty Line

Families below the poverty line - Percentage of families in the county that are below the poverty threshold. The income threshold for poverty varies by family size, number of children and age of the householder.

Federal 95th Percentile Fire Size

Federal 95th percentile fire size.

Federal 99th Percentile Fire Size

Federal 99th percentile fire size.

Federal Annual Average of Area Burned

Federal annual average of area burned per hundred square miles.

Federal Fires of Concern (Count)

Federal Fires of Concern are fires that burned an area greater than 640 acres or that burned for a duration of at least 2 weeks.

Federal Fires of Concern (Normalized)

FOC fires of concern normalized by area (# per 100 sq mi).

Federal Median Fire Size

Federal median fire size.

Federal Ownership

Percentage of county area in Federal ownership.

Fire Stations

Number of fire stations per 100 sq. miles.

Firefighter Injuries Reported (Total Number)

Total number of firefighter injuries reported.

Forest Industry Jobs

Forest industry jobs (% of total county employment)

Forest Industry Jobs

Forest industry jobs (% of total county employment)

Forest Mechanical Treatment Potential

Sum of area available for mechanical treatment in forest.

Forest Prescribed Fire Potential

Percent area available for prescribed fire in forested landscapes.

Forest Product Production

Index of forest product production.

Hotspot Density in Mixed Natural Areas

Hotspot density in mixed-natural areas.

Hotspot Density in Natural Areas

Hotspot density in natural areas.

Hotspots Within Wildfire Perimeter

Count of hotspots within a wildfire perimeter.

Housing Density Within Interface 2000

Housing density within interface 2000.

Housing Density Within Intermix 2000

Housing density within intermix 2000.

Housing Stress

Counties where 30 percent or more of households had one or more of these housing conditions in 2000: lacked complete plumbing, lacked complete kitchen, paid 30 percent or more of income for owner costs or rent, or had more than 1 person per room in 2000.

Ignition Density

Maximum Number of reports per 100 sq. miles in a year.

Incendiary (Arson) Area Burned

Mean annual area burned from incendiary causes, normalized by area.

Incendiary (Arson) Fire Incidents

Mean annual number of incidents from incendiary causes, normalized by area.

Index of 209 Structures Lost

Index of structures lost per are burned, calculated for each combo class

Index of Area Burned

Index of area burned per unit area, calculated for each combo class

Landscape Classes

Landscape resiliency class.

Low Educational Attainment

Counties with 25 percent or more of residents 25-64 years old with neither a high school diploma nor GED in 2000.

Low Employment

Counties where less than 65 percent of residents 21-64 years old were employed in 2000.

Maximum Annual Acres Burned

Maximum area burned in a single year (2002-2011), all sources combined

Maximum Annual Acres Burned (Normalized)

Maximum annual acres burned (2002-2011) and normalized by area.

Maximum Fire Size Observed in Fire Occurrence Data Set

Maximum fire size observed in the Fire Occurrence Dataset

Maximum Number of Fires

Maximum number of fires reported in a single year (2002-2011), all sources combined

Mean Burn Probability

Burn Probability estimated from FSIM runs, 9-15-11

Mean Flame Intensity

Mean FIL estimated using FSIM.

Mean Urban Value

Average county value from the “Urbaness Index.”

Median Income of Families

American Community Survey, 2005-2009, median income of families (USD). A family includes a householder and one or more individuals related to the householder by birth, marriage or adoption.

Modal Fire Regime Group

The historical Fire Regime Group with the highest occurrence for each county.

Modal Hotspots

Landcover classification type with the most MODIS hotspots per county.

Natural Fire Incidents

Mean annual number of incidents from natural causes, normalized by area.

Natural Landscape

Percent area in natural vegetation landcover.

Natural-mixed Landscape

Percent area in mixed-natural vegetation landcover.

NFIRS 95th Pct Arrival Time

The 95th percentile arrival time for incidents reported in NFIRS.

NFIRS 95th Percentile Fire Size

NFIRS 95th percentile fire size (reported in acres).

NFIRS 99th Percentile Fire Size

NFIRS 99th percentile fire size (reported in acres).

NFIRS Annual Average Area Burned

NFIRS Annual average of area burned per hundred square miles.

NFIRS Buildings Involved

NFIRS Number of buildings involved.

NFIRS Buildings Involved (Rate)

Number of buildings involved per 1000 acres, area burned as reported in NFIRS.

NFIRS Fires of Concern (FOC) Area

NFIRS fires of concern due to size (100 ac or larger).

NFIRS Fires of Concern (FOC) Arrival

NFIRS fires of concern due to arrival time (longer than 30 min).

NFIRS Median Arrival Time

NFIRS median arrival time.

NFIRS Median Containment Time

NFIRS median containment time.

NFIRS Median Fire Size

NFIRS median fire size (reported in acres).

NFP Fuel Treatments

Cumulative area treated by federal agencies, relative to county area.

NFPORS Acres Treated

Sum of acres treated by the federal agencies and bureaus

Non-forest Mechanical Treatment Potential

Sum of area available for mechanical treatment in non-forest.

Non-forest Prescribed Fire Potential

Percent area available for prescribed fire in non-forested landscapes.

Percent Agriculture

Percentage of county in Agriculture land-cover types

Percent of County Area Within Interface 2000

Percent of county area within interface 2000.

Percent of County Area Within Intermix 2000

Percent of county area within intermix 2000.

Percent of Hotspots Within a Wildfire Perimeter

Percentage of hotspots within a wildfire perimeter.

Percent of Population Over 25 With Bachelor's Degree or Higher

American Community Survey, 2005-2009, percent of population over 25 years of age with Bachelors degree or more.

Percentage of Hotspots in PADUS Lands

Percentage of hotspots in PADUS lands.

Persistent Poverty

20 percent or more of residents in poverty as measured by each of the last 4 censuses, 1970, 1980, 1990, 2000, and 2010.

Population Growth

Annualized population growth from 1990-2010

Population Loss

Counties where the number of residents declined both between the 1980 and 1990 censuses and between the 1990 and 2000 censuses.

Prescribed Fire Potential (Forest and Non-forest)

Sum of area available for prescribed fire, forest and non-forest.

Protected Areas

Percent of County area that is protected land or managed by a conservation partner.

Response Persons

Number of first responders per 100 square miles.

Roaded Area

Percent of county within 540 m of roads.

Socioeconomic Stress Index

Index based on the sum of Persistent Poverty, Housing Stress, Low Employment, Low Educational Attainment, and Population Loss.

State 95th Percentile Fire Size

State 95th percentile fire size (reported in acres).

State 99th Percentile Fire Size

State 99th percentile fire size (reported in acres).

State and Federal Area Burned
State Annual Average Area Burned

State Annual average of area burned per hundred square miles.

State Median Fire Size

State median fire size (reported in acres).

Suburban Factor Score

WUI factor score (weighted toward urban or % agriculture)

Surface Fuel Clusters

Statistical clustering of LANDFIRE's Fuel Loading Model (FLM) surface fuel classification system.

Terrain Factor Score

Physical environment factor score weighted to terrain and summer precipitation.

Timber Jobs

Number of forest industry jobs.

Total Hotspots

Total count of hotspots.

Total Population

Total population (normalized by number/square mile) by county.

Urban Influence

Urban economic influence from USDA ERS County typology codes

Vegetation Clusters

Statistical clustering of LANDFIRE's existing vegetation types grouped by U.S. NVCS Subclass.

LANDFIRE Vegetation Cluster Descriptions

Warmness Factor Score

Physical environment factor score weighted to seasonal temperature.

Wetness Factor Score

Physical environment factor score weighted to seasonal precipitation

Wilderness or Inventoried Roadless Areas (Acres)

Acres in wilderness or inventoried roadless areas.

Wilderness or Inventoried Roadless Areas (County Area)

Percent of county in wilderness or inventoried roadless areas.

Wildfire - Prescribed Fire Ratio

Ratio of area burned by wildfire and prescribed fire. Areas with lower values have a greater proportion of area burned by prescribed fire than wildfire and areas with higher values have a greater proportion of area burned by wildfire than by prescribed fire.

wildfire-rx fire ratio = log10(area burned in wildfire) - log10(area treated with Rx fire)

WUI Area Factor Score

WUI factor score weighted towards the county area in the WUI (Silvis Lab, Univ. Wisconsin).

WUI Growth (1990-2000)

Percent Growth in WUI area from 1990-2000

WUI Home Density Factor Score

WUI factor score weighted towards the percentage of homes in the WUI (Silvis Lab, Univ. Wisconsin).

WUI Housing Units (Percent in WUI)

Percentage of all housing units in the County that are within the WUI, based on SILVIS 2000 WUI Statistics.

WUI Interface (Percent)

Percent of county area within the WUI interface, based on SILVIS 2000 WUI Statistics.

WUI Interface Housing Units

Number of housing units per square km in the WUI Interface, based on SILVIS WUI Statistics for 2000.