Sawmill Fire
201747,319 acresArizona
The Sawmill Fire burned 47,319 acres, about 74 square miles, across Pima County. It began on April 23, 2017.
Watch how it happenedSawmill 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 | 1.1% | 505 |
| Lowsurface fire, most trees survive | 87% | 41,020 |
| Unburned to lowislands inside the perimeter, little change | 12% | 5,688 |
| Increased greennessvegetation greener after the fire than before | 0.2% | 106 |
No part of the fire was classed as high severity; 1% 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.
| Pima County | AZ | 47,357 |
Other large fires in Arizona in 2017
- Frye Fire54,178 acres
- Brooklyn Fire39,752 acres
- Hilltop Fire32,964 acres
- Goodwin Fire28,182 acres
- Burro Fire26,828 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.