Pk Complex
2011128,450 acresTexas
The Pk Complex burned 128,450 acres, about 201 square miles, across 3 counties. It began on April 13, 2011.
Watch how it happenedPk Complex · 2011
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 | 3.8% | 4,930 |
| Moderatemixed: many trees killed, some survive | 25% | 32,223 |
| Lowsurface fire, most trees survive | 44% | 56,261 |
| Unburned to lowislands inside the perimeter, little change | 11% | 14,467 |
| Increased greennessvegetation greener after the fire than before | 0.2% | 318 |
| Not mappedcloud, shadow or water in the satellite images | 16% | 20,251 |
4% of the area inside the perimeter burned at high severity, about 4,930 acres; 29% 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.
| Palo Pinto County | TX | 87,287 |
| Stephens County | TX | 36,566 |
| Young County | TX | 4,693 |
Other large fires in Texas in 2011
- Rock House Fire299,011 acres
- Deaton Cole Fire167,650 acres
- Cooper Mountain Ranch Fire157,828 acres
- Wildcat Fire150,117 acres
- Swenson Fire136,718 acres
- Frying Pan Ranch Fire106,264 acres
- Dickens County Complex90,789 acres
- Iron Mountain Fire85,018 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.