Wildfires of 2011

Wallow Fire

2011ArizonaWildfire

The Wallow Fire burned 538,049 acres in Arizona, in 2011. It was discovered on May 29, 2011, and contained on July 12, 2011. The cause was recorded as recreation and ceremony.

Size
538,049 acres
Discovered
May 29, 2011
Contained
July 12, 2011
Cause
Human

Map

The burned area boundary MTBS mapped from Landsat imagery, 563,564 acres. Point of origin as reported, 33.606, -109.450.

The record

Reported final size
538,049 acres
Burned area mapped by MTBS
563,564 acres
Area inside the final perimeter
538,052 acres
Discovered
May 29, 2011, 3:00 p.m. local time
Contained
July 12, 2011, 12:00 p.m. local time
Cause
Human, Recreation and ceremony
State
Arizona
Land ownership at origin
Forest Service
Reporting unit
Apache-Sitgreaves National Forest
Agency
Forest Service
Unit
AZASF
Incident type
Wildfire
Unique fire identifier
2011-AZASF-000020
MTBS fire identifier
AZ3360210944920110529
MTBS assessment
Extended
Fire occurrence record
FS-1501166
Perimeter map method
Digitized Other

The three sizes are three measurements: the size the agency reported when the fire was out, the burned area MTBS drew from satellite imagery before and after, and the GIS area inside the final perimeter, unburned islands included. They rarely agree exactly.

Other large fires in Arizona in 201112

FireAcresStartCause
Horseshoe 2 Fire222,954May 8, 2011Human
Murphy Complex68,079May 30, 2011Human
Monument Fire30,526Jun 12, 2011Human
Hidden Fire17,188Jul 9, 2011Natural
Arlene Fire10,610May 23, 2011Human
New Water Fire9,795Aug 3, 2011Natural
Bull Fire9,711Apr 26, 2011Human
Stanley Fire8,832Jun 26, 2011Natural
Duke Fire8,500Mar 20, 2011Human
Pena Fire6,050Mar 11, 2011Human
Tanner Fire5,460Aug 20, 2011Natural
Three Slashes Fire5,169Aug 29, 2011Human

Every fire of 2011 Arizona fire history

Nearby

Sources

Perimeters from the National Interagency Fire Center’s Interagency Fire Perimeter History, compiled from the Forest Service, BLM, BIA, Fish and Wildlife Service, National Park Service, the Alaska Interagency Fire Center and CAL FIRE. Burned areas and ignition dates from Monitoring Trends in Burn Severity (MTBS), a program of the US Geological Survey and the USDA Forest Service. Fire reports from Short, Karen C. 2022, Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014], 6th Edition, Forest Service Research Data Archive, doi.org/10.2737/RDS-2013-0009.6. Records before 2014 were joined by this site: a fire report to the burned area its MTBS identifier names, a perimeter to the burned area it lies in when the names or the sizes agree.