Wildfires of 2009

Knight Fire

2009Tuolumne County, CaliforniaWildfire

The Knight Fire burned 6,130 acres in Tuolumne County, California, in 2009. It was discovered on July 26, 2009, and contained on August 21, 2009. The cause was recorded as human.

Size
6,130 acres
Discovered
July 26, 2009
Contained
August 21, 2009
Cause
Human

Map

The burned area boundary MTBS mapped from Landsat imagery, 8,149 acres. Point of origin as reported, 38.175, -120.249.

The record

Reported final size
6,130 acres
Burned area mapped by MTBS
8,149 acres
Area inside the final perimeter
6,129 acres
Discovered
July 26, 2009, 3:36 p.m. local time
Contained
August 21, 2009, 4:00 p.m. local time
Cause
Human, Undetermined
State
California
County
Tuolumne County
Land ownership at origin
Forest Service
Reporting unit
Stanislaus National Forest
Agency
Forest Service
Unit
CASTF
Incident type
Wildfire
MTBS fire identifier
CA3817512022920090726
MTBS assessment
Extended
Fire occurrence record
FS-1482300

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 California in 200912

FireAcresStartCause
Station Fire160,371Aug 26, 2009Human
La Brea Fire91,622Aug 8, 2009Human
Guiberson Fire17,463Sep 22, 2009Human
Corral Fire12,200Aug 13, 2009Human
Hat Creek Complex (Sugarloaf) Fire9,356Aug 1, 2009Natural
Jesusita Fire8,733May 5, 2009Human
Lockheed Fire7,817Aug 12, 2009Human
Unnamed Fire7,500Oct 4, 2009
Big Meadow Fire7,425Aug 26, 2009Human
Sheep Fire7,128Oct 3, 2009Human
Shu Lightning Complex (Chalk) Fire6,923Aug 2, 2009Natural
Gloria Fire6,437Aug 27, 2009Human

Every fire of 2009 California 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.