Chimney Fire

199933,569 acresNevada

The Chimney Fire burned 33,569 acres, about 52 square miles, across 2 counties. It began on August 5, 1999.

Watch how it happened

Chimney Fire · 1999

How it happened

See how severely each place burned, revealed outward from where it started.

About this replay
IgnitionAugust 5, 1999Historical replay — order not recorded
Final area33,569 ac
Revealed—
Counties2

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 Chimney Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered6.2%2,096
Moderatemixed: many trees killed, some survive55%18,498
Lowsurface fire, most trees survive29%9,716
Unburned to lowislands inside the perimeter, little change9.7%3,257

6% of the area inside the perimeter burned at high severity, about 2,096 acres; 61% 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
Elko CountyNV28,160
Humboldt CountyNV5,439

Other large fires in Nevada in 1999

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