Example 8. The Freeman Lake Fire in northern Idaho on August 3, 1931, started 

 in a stand of young Douglas-fir interspersed with patches of brush and grass. 

 All dead fuels were very dry with duff and slash moisture contents under 

 10 percent and as low as 4 to 5 percent. 



Variable Documented Simple ellipse Double ellipse Double ellipse 



values values values adj. values 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



1030.0 to 

 2300.0 hours 

 20,000.0 acres 

 N/A miles 

 11.5 miles 

 14.9 mi/h 

 2.3:1 



20,000 

 22.5 

 9 



2.3:1 



34,000 

 29.4 

 11 

 6.8 

 2.3:1 



20,005 

 22.6 

 8.4 

 6.8 

 2.3:1 



Example 9. The Big Scrub Fire occurred in the spring of 1935 in Florida from a 

 burning stump on muck land, but moved quickly into the crowns of the sand 

 pine (P. clausa). 



Variable Documented Simple ellipse Double ellipse Double ellipse 



values values values adj. values 



Time 

 Area 



Perimeter 



Distance 



Windspeed 



N/A hours 

 10,000.0 acres 

 36.0 miles 

 18.0 miles 

 SW 60.0 mi/h 

 N/A 



10,000 

 36 

 18.1 



16:1 



Winds 

 exeed 

 range of 

 model 



10,000 

 36.1 

 18.0 

 2.5 

 16.5 



•il U.S. GOVERNMENT PRINTING OFFICE: 1983— 676-032/45 REGION No. 8 



26 



