New Pass Complex (New Pass-Antelope)

1999172,104 acresNevada

The New Pass Complex (New Pass-Antelope) burned 172,104 acres, about 269 square miles, across 2 counties. It began on August 4, 1999.

Watch how it happened

New Pass Complex (New Pass-Antelope) · 1999

How it happened

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

About this replay
IgnitionAugust 4, 1999Historical replay — order not recorded
Final area172,104 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 New Pass Complex (New Pass-Antelope)
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered6.1%10,578
Moderatemixed: many trees killed, some survive29%49,575
Lowsurface fire, most trees survive47%80,587
Unburned to lowislands inside the perimeter, little change18%31,095
Increased greennessvegetation greener after the fire than before0.2%269

6% of the area inside the perimeter burned at high severity, about 10,578 acres; 35% 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
Lander CountyNV133,016
Churchill CountyNV39,209

Other large fires in Nevada in 1999

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