Wildfires of 2004

Picnic Rock Fire

2004Larimer County, ColoradoWildfire

The Picnic Rock Fire burned 8,908 acres in Larimer County, Colorado, in 2004. It was discovered on March 30, 2004, and contained on April 9, 2004. The cause was recorded as debris and open burning.

Size
8,908 acres
Discovered
March 30, 2004
Contained
April 9, 2004
Cause
Human

Map

The burned area boundary MTBS mapped from Landsat imagery, 9,007 acres. Point of origin as reported, 40.672, -105.230.

The record

Reported final size
8,908 acres
Burned area mapped by MTBS
9,007 acres
Area inside the final perimeter
9,006 acres
Discovered
March 30, 2004, 11:42 a.m. local time
Contained
April 9, 2004, 2:45 p.m. local time
Cause
Human, Debris and open burning
State
Colorado
County
Larimer County
Reporting unit
Arapaho and Roosevelt National Forests and Pawnee National Grassland
Agency
Bureau of Land Management
Incident type
Wildfire
MTBS fire identifier
CO4071810523020040330
MTBS assessment
Extended
Fire occurrence record
FS-396355
Perimeter records
2 on file for this fire; the largest is shown

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 Colorado in 20045

FireAcresStartCause
Greasewood Wfu Fire7,815Jun 6, 2004Natural
Campbell Fire4,187Jul 30, 2004Natural
Mcgruder Fire2,806Jul 3, 2004Natural
Well Fire1,116Aug 29, 2004Natural
Sage Brush Fire1,000Aug 31, 2004Natural

Every fire of 2004 Colorado 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.