Example 5. The Sundance Fire of September 1, 1967, in Idaho had burned over 

 6,000 acres before starting its major run on this date. The fire burned through 

 slash and understory shrub material initially. It became a running crown fire in 

 the late afternoon and continued until nearly midnight. 



Variable Documented Simple ellipse Double ellipse Double ellipse 



values values values adj. values 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



tlVJ 



1300.0 hours 

 6,202.0 acres 

 16.2 miles 

 — miles 

 SW 20.0 mi/h 

 1:3.1 



6,202 

 16..2 

 7.7 



4.8:1 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



1500 

 9,496 

 18.4 

 1.9 

 SW 24 

 1.8:1 



9,496 

 18.4 

 8.6 



3.9:1 



10,564 

 19.5 



8.6 

 11.9 



3.9:1 



1,510 

 5.8 

 1.9 

 4 



1.8:1 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



1700 

 15,052 

 22.7 

 4 



SW 29 

 2.0:1 



15,052 

 22.7 

 10.5 



3.7:1 



16,903 

 24.1 

 10.5 

 11.4 

 3.7:1 



5,589 

 11.5 

 4 



5.2 

 2.0:1 



Time 

 Area 



Perimeter 

 Distance 

 Windspeed 

 i/w 



1900 

 22,145 

 29.6 

 7.5 

 SW 37 

 4.6:1 



22,145 

 29.6 

 14.0 



4.4:1 



24,118 

 31.0 

 14.0 

 13.2 

 4.4:1 



6,627 

 16.5 



7.5 

 13.6 



4.6:1 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



2100 

 35,039 

 42.7 

 13.2 

 SW 45 

 6.1:1 



35,039 

 42.7 

 20.7 



6.2:1 



36,848 

 43.9 

 20.7 

 16.2 

 6.2:1 



15,191 

 28.0 

 13.2 

 16.1 

 6.1:1 



Time 

 Area 



Perimeter 

 Distance 

 Windspeed 

 i/w 



After 2300 

 53,227 

 54.9 

 16.8 

 SW 49-52 



6.6:1 



53,227 

 54.9 

 26.8 



6.8:1 



55,025 

 56.1 

 26.8 

 17.1 

 6.8:1 



22,581 

 35.5 

 16.9 

 16.9 

 6.6:1 



18 



