Powerline Fire
201745,405 acresIdaho
The Powerline Fire burned 45,405 acres, about 71 square miles, across 2 counties. It began on July 15, 2017.
Watch how it happenedPowerline Fire · 2017
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 |
|---|---|---|
| Moderatemixed: many trees killed, some survive | 20% | 9,085 |
| Lowsurface fire, most trees survive | 74% | 33,705 |
| Unburned to lowislands inside the perimeter, little change | 5.7% | 2,607 |
No part of the fire was classed as high severity; 20% burned at moderate 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.
| Nez Perce County | ID | 44,723 |
| Lewis County | ID | 727 |
Other large fires in Idaho in 2017
- Highline Fire93,679 acres
- Lolo Peak Fire62,337 acres
- Powerline Fire54,349 acres
- Mammoth Cave Fire50,410 acres
- Loveridge Fire39,611 acres
- Shoestring Fire35,544 acres
- Antelope Fire29,651 acres
- Bearskin Fire29,625 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.