Ryan Fire
201828,851 acresColorado and Wyoming
The Ryan Fire burned 28,851 acres, about 45 square miles, across 2 counties. It began on September 15, 2018.
Watch how it happenedRyan Fire · 2018
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 | 6.5% | 1,879 |
| Moderatemixed: many trees killed, some survive | 42% | 12,187 |
| Lowsurface fire, most trees survive | 31% | 9,048 |
| Unburned to lowislands inside the perimeter, little change | 18% | 5,279 |
| Increased greennessvegetation greener after the fire than before | 1.6% | 458 |
7% of the area inside the perimeter burned at high severity, about 1,879 acres; 49% 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.
| Carbon County | WY | 25,491 |
| Jackson County | CO | 3,366 |
Other large fires in Colorado and Wyoming in 2018
- Spring Creek Fire107,022 acres
- Roosevelt Fire55,290 acres
- 416 Fire55,178 acres
- Badger Hole Fire49,177 acres
- Terek Fire43,895 acres
- Bull Draw Fire37,237 acres
- Stateline Fire28,533 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.