Bull Draw Fire

201837,237 acresColorado

The Bull Draw Fire burned 37,237 acres, about 58 square miles, across 2 counties. It began on July 29, 2018.

Watch how it happened

Bull Draw Fire · 2018

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
Detections2,018satellite 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 Bull Draw Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered7.7%2,866
Moderatemixed: many trees killed, some survive41%15,149
Lowsurface fire, most trees survive40%15,047
Unburned to lowislands inside the perimeter, little change11%4,170

8% of the area inside the perimeter burned at high severity, about 2,866 acres; 48% 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
Montrose CountyCO18,845
Mesa CountyCO18,332

Other large fires in Colorado in 2018

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