Wld Horse Fire

200041,870 acresWyoming

The Wld Horse Fire burned 41,870 acres, about 65 square miles, across Sweetwater County. It began on July 3, 2000.

Watch how it happened

Wld Horse Fire · 2000

How it happened

See how severely each place burned, revealed outward from where it started.

About this replay
IgnitionJuly 3, 2000Historical replay — order not recorded
Final area41,870 ac
Revealed—
Counties1

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 Wld Horse Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered11%4,792
Moderatemixed: many trees killed, some survive54%22,667
Lowsurface fire, most trees survive28%11,842
Unburned to lowislands inside the perimeter, little change6.1%2,568

11% of the area inside the perimeter burned at high severity, about 4,792 acres; 66% 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
Sweetwater CountyWY41,881

Other large fires in Wyoming in 2000

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