Grierson Fire
The Grierson Fire burned 6,400 acres in Montana, in 1994. It was discovered on August 22, 1994.
- Size
- 6,400 acres
- Discovered
- August 22, 1994
- Cause
- Undetermined
Map
The burned area boundary MTBS mapped from Landsat imagery, 7,986 acres. Point of origin as reported, 46.489, -107.661.
The record
- Reported final size
- 6,400 acres
- Burned area mapped by MTBS
- 7,986 acres
- Discovered
- August 22, 1994
- Cause
- Undetermined
- State
- Montana
- Reporting unit
- Eastern Land Office
- Agency
- State or local agency
- Incident type
- Wildfire
- MTBS fire identifier
- MT4648210765819940822
- MTBS assessment
- Initial
- Fire occurrence record
- MT1994EAS001
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 199412
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Baby Dean Fire | 60,300 | Sep 8, 1994 | Human |
| Black Butte Fire | 12,500 | Sep 8, 1994 | Natural |
| Ck Creek Fire | 11,067 | Aug 3, 1994 | Natural |
| Little Wolf Fire | 10,610 | Aug 15, 1994 | Natural |
| Koocanusa Complex (North Fork Big Creek) Fire | 9,000 | Aug 15, 1994 | Natural |
| Helen Creek Fire | 8,497 | Aug 16, 1994 | Natural |
| Henry Peak Fire | 8,203 | Jul 26, 1994 | Natural |
| North Fork Complex (Adair Ii) Fire | 8,055 | Aug 12, 1994 | Natural |
| Mcdonald Fire | 7,494 | Aug 15, 1994 | Natural |
| Yaak-Red Dragon Complex (Sheep) Fire | 5,897 | Aug 15, 1994 | Natural |
| Cunningham Fire | 5,000 | Sep 9, 1994 | |
| Niarada Fire | 4,268 | Jul 26, 1994 | Human |
Nearby
Sources
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.