Pioneer Fire
The Pioneer Fire burned 1,876 acres in San Bernardino County, California, in 2005. It was discovered on June 18, 2005, and contained on June 19, 2005. MTBS dates its ignition to June 19, 2005. The cause was recorded as human.
- Size
- 1,876 acres
- Discovered
- June 18, 2005
- Contained
- June 19, 2005
- Cause
- Human
Map
The burned area boundary MTBS mapped from Landsat imagery, 2,003 acres. Point of origin as reported, 34.157, -116.502.
The record
- Reported final size
- 1,876 acres
- Burned area mapped by MTBS
- 2,003 acres
- Area inside the final perimeter
- 1,878 acres
- Discovered
- June 18, 2005, 4:38 p.m. local time
- Ignition (MTBS)
- June 19, 2005
- Contained
- June 19, 2005, 6:00 p.m. local time
- Cause
- Human, Undetermined
- State
- California
- County
- San Bernardino County
- Reporting unit
- San Bernardino Unit
- Agency
- Forest Service
- Unit
- CABDU
- Incident type
- Wildfire
- MTBS fire identifier
- CA3417711650220050619
- MTBS assessment
- Initial
- Fire occurrence record
- SFO-2005CACDFBDU006148
- Perimeter records
- 2 on file for this fire; the largest is shown
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 California in 200512
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Hackberry Complex | 63,436 | Jun 22, 2005 | Natural |
| Unnamed Fire | 39,062 | Aug 25, 2005 | |
| Topanga Fire | 24,970 | Sep 28, 2005 | Human |
| China Lake Fire | 10,350 | Jul 18, 2005 | Human |
| Unnamed Fire | 9,039 | Aug 19, 2005 | |
| Comb Complex | 8,675 | Jul 22, 2005 | Natural |
| Hackberry Fire | 7,158 | ||
| Tesla Fire | 6,744 | Jul 19, 2005 | Human |
| Woodhouse Fire | 6,644 | Oct 5, 2005 | Human |
| Five Fire | 5,514 | Jun 4, 2005 | Human |
| Blaisdell Fire | 5,493 | Aug 26, 2005 | Human |
| Border 50 Fire | 4,100 | Oct 5, 2005 | 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.