Sartin Draw Fire

201791,520 acresMontana

The Sartin Draw Fire burned 91,520 acres, about 143 square miles, across 3 counties. It began on August 30, 2017.

Watch how it happened

Sartin Draw Fire · 2017

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
Detections1,133satellite 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 Sartin Draw Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered6.0%5,527
Moderatemixed: many trees killed, some survive22%20,427
Lowsurface fire, most trees survive68%62,157
Unburned to lowislands inside the perimeter, little change3.7%3,396

6% of the area inside the perimeter burned at high severity, about 5,527 acres; 28% 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
Custer CountyMT81,617
Powder River CountyMT9,854
Rosebud CountyMT99

Other large fires in Montana in 2017

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