Arapaho Fire
201299,972 acresWyoming
The Arapaho Fire burned 99,972 acres, about 156 square miles, across 3 counties. It began on June 27, 2012.
Watch how it happenedArapaho Fire · 2012
How it happened
Watch it burn in the order satellites saw it, coloured by how severely each place burned.
How severely it burned
Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.
| Severity | Share | Acres |
|---|---|---|
| Highmost vegetation consumed, soils altered | 3.9% | 3,925 |
| Moderatemixed: many trees killed, some survive | 26% | 25,755 |
| Lowsurface fire, most trees survive | 46% | 46,288 |
| Unburned to lowislands inside the perimeter, little change | 12% | 12,214 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 135 |
| Not mappedcloud, shadow or water in the satellite images | 12% | 11,656 |
4% of the area inside the perimeter burned at high severity, about 3,925 acres; 30% burned at moderate or high severity.
Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.
Where it burned
Acres inside each county, measured from the satellite-mapped perimeter.
| Albany County | WY | 87,152 |
| Platte County | WY | 12,422 |
| Converse County | WY | 468 |
Other large fires in Wyoming in 2012
- Oil Creek Fire63,138 acres
- Fontenelle Fire58,079 acres
- Alpine Lake Fire39,149 acres
- North Buffalo Fire28,306 acres
- Cato Fire26,808 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.