Union Valley Fire
The Union Valley Fire burned 4,590 acres in Chelan County, Washington, in 2001. It was discovered on July 28, 2001, and contained on August 4, 2001. The cause was recorded as debris and open burning.
- Size
- 4,590 acres
- Discovered
- July 28, 2001
- Contained
- August 4, 2001
- Cause
- Human
Map
The burned area boundary MTBS mapped from Landsat imagery, 4,361 acres. Point of origin as reported, 47.896, -119.995.
The record
- Reported final size
- 4,590 acres
- Burned area mapped by MTBS
- 4,361 acres
- Area inside the final perimeter
- 4,522 acres
- Discovered
- July 28, 2001, 3:30 p.m. local time
- Contained
- August 4, 2001, 8:00 p.m. local time
- Cause
- Human, Debris and open burning
- State
- Washington
- County
- Chelan County
- Land ownership at origin
- Private
- Reporting unit
- Spokane District
- Agency
- Bureau of Land Management
- Unit
- WASES
- Incident type
- Wildfire
- MTBS fire identifier
- WA4790111996820010728
- MTBS assessment
- Extended
- Fire occurrence record
- W-103236
- Perimeter map method
- Other
- Perimeter records
- 3 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 Washington in 200112
| Fire | Acres | Start | Cause |
|---|---|---|---|
| Rex Creek Complex (Rex Creek) Fire | 55,913 | Aug 12, 2001 | Natural |
| Virginia Lake Fire | 36,775 | Aug 13, 2001 | Natural |
| St Marys Fire | 32,960 | Aug 14, 2001 | Human |
| Goodnoe Hills Fire | 11,526 | Aug 18, 2001 | Human |
| Port Kelly Fire | 9,929 | Jul 28, 2001 | Human |
| Thirty Mile Fire | 9,324 | Jul 9, 2001 | Human |
| Fourth of July Fire | 7,077 | ||
| Fourth of July Fire | 6,914 | Aug 13, 2001 | Natural |
| Mt. Leona Complex | 6,144 | Aug 13, 2001 | Natural |
| Unnamed Fire | 5,785 | Aug 13, 2001 | Natural |
| North Coppei Fire | 4,810 | Sep 18, 2001 | Human |
| Libby South Fire | 3,830 | Jul 9, 2001 | 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.