Missouri Breaks Complex

2003137,971 acresMontana

The Missouri Breaks Complex burned 137,971 acres, about 216 square miles, across 2 counties. It began on July 19, 2003.

Watch how it happened

Missouri Breaks Complex · 2003

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
Detections698satellite 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 Missouri Breaks Complex
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered8.5%11,682
Moderatemixed: many trees killed, some survive28%39,119
Lowsurface fire, most trees survive45%62,697
Unburned to lowislands inside the perimeter, little change18%24,182
Increased greennessvegetation greener after the fire than before0.2%291

8% of the area inside the perimeter burned at high severity, about 11,682 acres; 37% 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
Garfield CountyMT137,900
Petroleum CountyMT46

Other large fires in Montana in 2003

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