King Valley Fire

200533,013 acresArizona

The King Valley Fire burned 33,013 acres, about 52 square miles, across Yuma County. It began on January 1, 2005.

Watch how it happened

King Valley Fire · 2005

How it happened

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

About this replay
IgnitionJanuary 1, 2005Historical replay — order not recorded
Final area33,013 ac
Revealed—
Counties1

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 King Valley Fire
Burn severity by class
SeverityShareAcres
Highmost vegetation consumed, soils altered0.1%36
Moderatemixed: many trees killed, some survive11%3,599
Lowsurface fire, most trees survive62%20,581
Unburned to lowislands inside the perimeter, little change27%8,796

under 1% of the area inside the perimeter burned at high severity, about 36 acres; 11% 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
Yuma CountyAZ32,963

Other large fires in Arizona in 2005

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