Prisoner Lake Fire
The Prisoner Lake Fire burned 4,186 acres in Powell County, Montana, in 2012. It was discovered on July 30, 2012, and contained on October 25, 2012. The cause was recorded as natural.
- Size
- 4,186 acres
- Discovered
- July 30, 2012
- Contained
- October 25, 2012
- Cause
- Natural
Map
The burned area boundary MTBS mapped from Landsat imagery, 3,641 acres. Point of origin as reported, 47.541, -113.159.
The record
- Reported final size
- 4,186 acres
- Burned area mapped by MTBS
- 3,641 acres
- Area inside the final perimeter
- 4,080 acres
- Discovered
- July 30, 2012, 3:07 p.m. local time
- Contained
- October 25, 2012, 12:00 p.m. local time
- Cause
- Natural
- State
- Montana
- County
- Powell County
- Land ownership at origin
- Forest Service
- Reporting unit
- Flathead National Forest
- Agency
- Forest Service
- Incident type
- Wildfire
- MTBS fire identifier
- MT4753011314920120730
- MTBS assessment
- Extended
- Fire occurrence record
- FS-1508624
- Perimeter map method
- GPS - Uncorrected Data
- Note on the perimeter
- DATA_SOURCE PREDOMIINATLY AERIAL GPS
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 Montana in 201212
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Ash Creek Fire | 249,562 | Jun 25, 2012 | Natural |
| Chalky Fire | 152,261 | Aug 2, 2012 | Natural |
| Sarpy Hills Complex | 82,127 | Aug 1, 2012 | Natural |
| Taylor Creek Fire | 62,111 | Jul 3, 2012 | Natural |
| Delphia Fire | 40,085 | Aug 24, 2012 | Natural |
| Welder Fire | 33,318 | Sep 14, 2012 | Human |
| Dahl Fire | 22,045 | Jun 26, 2012 | Natural |
| Dutch Fire | 19,247 | Sep 10, 2012 | Natural |
| Elbow Pass Complex | 17,319 | Jul 12, 2012 | Natural |
| Bear Trap 2 Fire | 15,341 | Jun 25, 2012 | Human |
| Wolf Creek Fire | 12,160 | Jul 24, 2012 | Natural |
| Wye Fire | 12,000 | Jan 4, 2012 | 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.