Grindstone Fire
The Grindstone Fire burned 21,604 acres in Owyhee County, Idaho, in 2011. It was discovered on October 1, 2011, and contained on October 3, 2011. MTBS dates its ignition to October 2, 2011. The cause was recorded as natural.
- Size
- 21,604 acres
- Discovered
- October 1, 2011
- Contained
- October 3, 2011
- Cause
- Natural
Map
The burned area boundary MTBS mapped from Landsat imagery, 21,820 acres. Point of origin as reported, 42.763, -115.391.
The record
- Reported final size
- 21,604 acres
- Burned area mapped by MTBS
- 21,820 acres
- Area inside the final perimeter
- 21,604 acres
- Discovered
- October 1, 2011, 4:11 p.m. local time
- Ignition (MTBS)
- October 2, 2011
- Contained
- October 3, 2011, 7:00 p.m. local time
- Cause
- Natural
- State
- Idaho
- County
- Owyhee County
- Land ownership at origin
- Bureau of Land Management
- Reporting unit
- Twin Falls District
- Agency
- Bureau of Land Management
- Unit
- IDTFD
- Incident type
- Wildfire
- Unique fire identifier
- 2011-IDJRD-000545
- MTBS fire identifier
- ID4276311539120111002
- MTBS assessment
- Initial (SS)
- Fire occurrence record
- W-629557
- Perimeter map method
- GPS-Flight
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 Idaho in 201112
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Big Hill Fire | 67,061 | Aug 14, 2011 | Natural |
| T17 Fire | 50,176 | Aug 25, 2011 | |
| Blair Fire | 39,577 | Aug 14, 2011 | Natural |
| Saddle Complex | 32,670 | Aug 10, 2011 | Natural |
| Salt Fire | 24,501 | Aug 25, 2011 | Natural |
| Windmill Fire | 17,382 | Aug 4, 2011 | Natural |
| Southsim Fire | 15,775 | Aug 15, 2011 | Human |
| Double A Fire | 13,131 | Aug 4, 2011 | Natural |
| Union Fire | 10,527 | Aug 15, 2011 | Natural |
| Hot Springs 2 Fire | 10,394 | Oct 1, 2011 | Natural |
| East Fork Fire | 10,000 | Aug 10, 2011 | Natural |
| Dead Horse Cave Fire | 6,963 | Aug 4, 2011 | Natural |
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.