Experimental Fire Direction Calculator (Build 008 2014-01-16)
Run Title
Output Table
Simple
Fancy
Surface fire spread direction is
from Ignition Point
from Fire Front
Spread directions are clockwise from
Upslope
North
Aspect
Elapsed time (min)
Length-to-width Ratio
ROS Maximum (ft/min)
Heat per Unit Area (btu/ft2)
Direction of Maximum Spread
Vector of Interest
Range Variable
None
Aspect (input)
Length-to-width Ratio
ROS Maximum
Direction of Maximum Spread
Vector of Interest
Range Variable Maximum
Range Variable Step Size
Output Variables
Aspect (input)
Upslope (from North)
Elapsed Time (input)
Length-to-Width Ratio (input)
Ros Maximum (input)
Heat per Unit Area (input)
Fireline Intensity Maximum
Flame Length Maximum
Direction of Maximum Spread (input)
Direction of Maximum Spread (from North)
Direction of Maximum Spread (from Upslope)
Vector of Interest (input)
Vector of Interest (from North) Degrees
Vector of Interest (from Upslope) Degrees
Vector of Interest (from Max) Degrees
ROS from Ignition (beta)
ROS from Fire Front (psi)
Flame Length from ROS-beta
Flame Length from ROS-psi
Fireline Intensity from ROS-beta
Fireline Intensity from ROS-psi
Direction from Ignition (from North) Degrees
Direction from Ignition (from Upslope) Degrees
Direction from Ignition (from Max) (beta) Degrees
Direction from Fire Front (from North) Degrees
Direction from Fire Front (from Upslope) Degrees
Direction from Fire Front (from Max) (psi) Degrees
Direction from Ellipse Center (from Max) (theta) Degrees
Direction from Ignition (from North) Radians
Direction from Ignition (from Upslope) Radians
Direction from Ignition (from Max) (beta) Radians
Direction from Fire Front (from North) Radians
Direction from Fire Front (from Upslope) Radians
Direction from Fire Front (from Max) (psi) Radians
Direction from Ellipse Center (from Max) (theta) Radians
Eccentricity
ROS Backing
Heading Distance
Backing Distance
Ellipse Length
Ellipse F
Ellipse G
Ellipse H
Ellipse Area
Ellipse Perimeter