Alice Creek Fire

201729,951 acresMontana

The Alice Creek Fire burned 29,951 acres, about 47 square miles, across Lewis and Clark County. It began on July 23, 2017.

Watch how it happened

Alice Creek 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
Detections2,265satellite 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 Alice Creek Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered17%4,947
Moderatemixed: many trees killed, some survive27%8,052
Lowsurface fire, most trees survive32%9,643
Unburned to lowislands inside the perimeter, little change22%6,548
Increased greennessvegetation greener after the fire than before2.5%761

17% of the area inside the perimeter burned at high severity, about 4,947 acres; 43% 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
Lewis and Clark CountyMT29,971

Other large fires in Montana in 2017

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