Hess Creek Fire
2019181,319 acresAlaska
The Hess Creek Fire burned 181,319 acres, about 283 square miles, across Yukon-Koyukuk Census Area. It began on June 22, 2019.
Watch how it happenedHess Creek Fire · 2019
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 | 20% | 36,767 |
| Moderatemixed: many trees killed, some survive | 41% | 75,100 |
| Lowsurface fire, most trees survive | 26% | 47,725 |
| Unburned to lowislands inside the perimeter, little change | 10% | 18,799 |
| Not mappedcloud, shadow or water in the satellite images | 1.6% | 2,920 |
20% of the area inside the perimeter burned at high severity, about 36,767 acres; 62% 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.
| Yukon-Koyukuk Census Area | AK | 181,458 |
Other large fires in Alaska in 2019
- Chalkyitsik Complex470,271 acres
- Old Grouch Top Fire173,850 acres
- Swan Lake Fire164,759 acres
- Hurst Creek Fire139,315 acres
- North River Fire110,985 acres
- Black River Fire103,354 acres
- Little Mud River Fire98,159 acres
- Little Crazy Mountain Fire78,237 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.