Ft. Lyons Fire
The Ft. Lyons Fire burned 14,726 acres in Bent County, Colorado, in 2011. It was discovered on April 9, 2011. MTBS dates its ignition to April 7, 2011.
- Size
- 14,726 acres
- Discovered
- April 9, 2011
- Cause
- Undetermined
Map
The burned area boundary MTBS mapped from Landsat imagery, 12,307 acres. Point of origin as reported, 38.031, -103.198.
The record
- Reported final size
- 14,726 acres
- Burned area mapped by MTBS
- 12,307 acres
- Area inside the final perimeter
- 19,300 acres
- Discovered
- April 9, 2011, 12:57 p.m. local time
- Ignition (MTBS)
- April 7, 2011
- Cause
- Undetermined
- State
- Colorado
- County
- Bent County
- Reporting unit
- Colorado State Forest Service-State Headquarters
- Agency
- Bureau of Land Management
- Unit
- COBNX
- Incident type
- Wildfire
- Unique fire identifier
- 2011-CORGD-000382
- MTBS fire identifier
- CO3800010300020110407
- MTBS assessment
- Initial (SS)
- Fire occurrence record
- SFO-2011CSFSCO4064211850
- Perimeter map method
- Hand Sketch
- 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 201112
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Bear Springs Callie Marie Fire | 35,583 | Jun 5, 2011 | Natural |
| Shell Complex | 13,312 | Jun 7, 2011 | Natural |
| Karval Fire | 12,000 | Mar 24, 2011 | Human |
| Callie Marie Fire | 9,089 | Jun 7, 2011 | Natural |
| Purgatoire Fire | 6,140 | May 30, 2011 | |
| Lakewood Fire | 5,200 | Aug 13, 2011 | |
| Snowflake Fire | 5,000 | Jun 6, 2011 | |
| Salt Fire | 4,500 | Jun 3, 2011 | Natural |
| Duckett Fire | 4,000 | Jun 12, 2011 | Human |
| Crystal Fire | 2,939 | Apr 1, 2011 | Human |
| Young Hollow Fire | 2,200 | Jun 29, 2011 | Human |
| Sierra Vista Fire | 2,042 | Feb 19, 2011 | Human |
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.