Big A Fire
The Big A Fire burned 1,012 acres in Colorado, in 2011. It was discovered on August 3, 2011, and contained on September 12, 2011. The cause was recorded as natural.
- Size
- 1,012 acres
- Discovered
- August 3, 2011
- Contained
- September 12, 2011
- Cause
- Natural
Map
The burned area boundary MTBS mapped from Landsat imagery, 1,039 acres. Point of origin as reported, 38.252, -108.208.
The record
- Reported final size
- 1,012 acres
- Burned area mapped by MTBS
- 1,039 acres
- Area inside the final perimeter
- 1,012 acres
- Discovered
- August 3, 2011, 2:42 p.m. local time
- Contained
- September 12, 2011, 10:00 a.m. local time
- Cause
- Natural
- State
- Colorado
- Land ownership at origin
- Forest Service
- Reporting unit
- Grand Mesa, Uncompahgre and Gunnison National Forests
- Agency
- Forest Service
- Unit
- COGMF
- Incident type
- Wildfire
- MTBS fire identifier
- CO3825210820820110803
- MTBS assessment
- Initial
- Fire occurrence record
- FS-1500917
- Perimeter map method
- GPS - Uncorrected Data
- Perimeter records
- 2 on file for this fire; the largest is shown
- Note on the perimeter
- No Unique Fire Identifier or Local Fire Number in FireStat
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 |
| Ft. Lyons Fire | 14,726 | Apr 9, 2011 | |
| 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 |
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.