Swenson Fire

2011136,718 acresTexas

The Swenson Fire burned 136,718 acres, about 214 square miles, across 2 counties. It began on April 6, 2011.

Watch how it happened

Swenson Fire · 2011

How it happened

Watch it burn in the order satellites saw it, coloured by how severely each place burned.

About this replay
Date (UTC)—Historical replay
Burned so far—acres
High severity—of the area so far
Detections439satellite fire pixels

How severely it burned

Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.

Map of burn severity across the Swenson Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered5.8%7,971
Moderatemixed: many trees killed, some survive21%29,208
Lowsurface fire, most trees survive62%85,072
Unburned to lowislands inside the perimeter, little change10%14,194
Increased greennessvegetation greener after the fire than before0.2%266

6% of the area inside the perimeter burned at high severity, about 7,971 acres; 27% 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.

Acres burned by county
Stonewall CountyTX88,273
King CountyTX48,515

Other large fires in Texas in 2011

Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.