Grizzly Creek Fire
202030,698 acresColorado
The Grizzly Creek Fire burned 30,698 acres, about 48 square miles, across 2 counties. It began on August 10, 2020.
Watch how it happenedGrizzly Creek 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 | 17% | 5,273 |
| Moderatemixed: many trees killed, some survive | 22% | 6,778 |
| Lowsurface fire, most trees survive | 43% | 13,342 |
| Unburned to lowislands inside the perimeter, little change | 16% | 4,966 |
| Increased greennessvegetation greener after the fire than before | 0.1% | 15 |
| Not mappedcloud, shadow or water in the satellite images | 1.1% | 323 |
17% of the area inside the perimeter burned at high severity, about 5,273 acres; 39% 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.
| Garfield County | CO | 30,022 |
| Eagle County | CO | 679 |
Other large fires in Colorado in 2020
- Cameron Peak Fire208,743 acres
- East Troublesome Fire193,717 acres
- Mullen Fire179,795 acres
- Pine Gulch Fire138,178 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.