Mullen Fire
2020179,795 acresColorado and Wyoming
The Mullen Fire burned 179,795 acres, about 281 square miles, across 3 counties. It began on September 17, 2020.
Watch how it happenedMullen Fire · 2020
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 | 26% | 47,276 |
| Moderatemixed: many trees killed, some survive | 28% | 49,890 |
| Lowsurface fire, most trees survive | 33% | 59,397 |
| Unburned to lowislands inside the perimeter, little change | 13% | 22,481 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 172 |
| Not mappedcloud, shadow or water in the satellite images | 0.3% | 579 |
26% of the area inside the perimeter burned at high severity, about 47,276 acres; 54% 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 | 93,969 |
| Carbon County | WY | 64,885 |
| Jackson County | CO | 21,035 |
Other large fires in Colorado and Wyoming in 2020
- Cameron Peak Fire208,743 acres
- East Troublesome Fire193,717 acres
- Pine Gulch Fire138,178 acres
- Grizzly Creek Fire30,698 acres
- Waddle Creek Fire25,795 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.