Requirements

All data should have a 1.5 mile buffer outside the study area to avoid edge effects.

Values

STARFire uses relative values for importance to protect and improve resources from wildland fire. These values are organized by ecosystem condition and fire intensity through a structured elicitation process.

Weather

Provide a minimum of two wind directions and speeds that are typical of weather scenarios for the study area. For example, you might select a southwest direction at 10 MPH.

Basic layers

LayerFormatComments
Ignition HistoryPointLonger history is better
Infrastructure
-Structures
-Roads
-Water
-Management Unit -Boundaries
Point, Line, or PolygonAny layers that help to define the infrastructure of the study area

Fire Support Data

Data will be used in raster format for input to FlamMap. See FlamMap help for more detail; help is installed with FlamMap.

Layer/ThemeUnitsPurpose
ElevationMeters or FeetAdiabatic adjustment of temperature and humidity and for conversion of fire spread between horizontal and slope distances
SlopeDegreesNecessary for computing slope effects on fire spread and solar radiance
AspectDegrees clockwise from North
Canopy CoverCategories (1-4) or percentageFor Computing wind reduction factors. This is NOT the same as crown closure, as it is the horizontal fraction of the ground covered by tree canopy.
Fuel Model
Custom FuelsOnly required if the fuel model used is custom.
Stand Height (optional)Meters or FeetComputes wind reduction to midflame height and spotting distances from torching trees. Good estimate of stand height would be the average height of the dominant and co-dominant trees in a stand
Canopy Base HeightMeters or FeetDetermines transition from surface fire to crown fire. For a single tree it is the height to the bottom of the live crown
Canopy Bulk Density (optional)kg/m3 or lb/ft3Determines characteristics of crown fires
Fuel Moisture