Pattison Fire

201531,106 acresCalifornia

The Pattison Fire burned 31,106 acres, about 49 square miles, across Trinity County. It began on July 31, 2015.

Watch how it happened

Pattison Fire · 2015

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
Detections2,741satellite 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 Pattison Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered22%6,821
Moderatemixed: many trees killed, some survive23%7,137
Lowsurface fire, most trees survive43%13,308
Unburned to lowislands inside the perimeter, little change12%3,833

22% of the area inside the perimeter burned at high severity, about 6,821 acres; 45% 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
Trinity CountyCA31,129

Other large fires in California in 2015

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