Ahorn Fire
The Ahorn Fire burned 52,505 acres in Lewis and Clark County, Montana, in 2007. It was discovered on July 11, 2007, and contained on November 29, 2007. MTBS dates its ignition to June 28, 2007. The cause was recorded as natural.
- Size
- 52,505 acres
- Discovered
- July 11, 2007
- Contained
- November 29, 2007
- Cause
- Natural
Map
The burned area boundary MTBS mapped from Landsat imagery, 45,626 acres. Point of origin as reported, 47.530, -113.047.
The record
- Reported final size
- 52,505 acres
- Burned area mapped by MTBS
- 45,626 acres
- Area inside the final perimeter
- 52,552 acres
- Discovered
- July 11, 2007, 2:50 p.m. local time
- Ignition (MTBS)
- June 28, 2007
- Contained
- November 29, 2007, 12:00 p.m. local time
- Cause
- Natural
- State
- Montana
- County
- Lewis and Clark County
- Land ownership at origin
- Forest Service
- Reporting unit
- Helena - Lewis and Clark National Forest
- Agency
- Forest Service
- Incident type
- Wildfire
- MTBS fire identifier
- MT4754911296120070628
- MTBS assessment
- Extended
- Fire occurrence record
- FS-1454605
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 200712
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Chippy Creek Fire | 99,090 | Jul 31, 2007 | |
| Fool Creek Fire | 60,038 | Jul 4, 2007 | Natural |
| Meriwether Fire | 46,298 | Jul 21, 2007 | Natural |
| Skyland Fire | 44,176 | Jul 23, 2007 | Natural |
| Jocko Lakes Fire | 36,388 | Aug 3, 2007 | Natural |
| Sawmill Complex (Wyman 2) Fire | 36,045 | Jul 29, 2007 | Natural |
| Brush Creek Fire | 29,921 | Jul 27, 2007 | Natural |
| Rombo Mountain Fire | 29,062 | Jul 31, 2007 | Natural |
| Wh Complex (Wicked Creek) Fire | 26,600 | Aug 9, 2007 | Natural |
| Rat Creek Fire | 25,877 | Aug 9, 2007 | Natural |
| Conger Creek Fire | 25,150 | Jul 16, 2007 | Natural |
| Railley Mountain Fire | 21,585 | Jul 21, 2007 | 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.