Wildfires of 1999

Thomas Fire

1999Lake County, OregonWildfire

The Thomas Fire burned 1,842 acres in Lake County, Oregon, in 1999. It was discovered on July 6, 1999, and contained on July 12, 1999. The cause was recorded as firearms and explosives use.

Size
1,842 acres
Discovered
July 6, 1999
Contained
July 12, 1999
Cause
Human

Map

The burned area boundary MTBS mapped from Landsat imagery, 1,946 acres. Point of origin as reported, 42.284, -120.501.

The record

Reported final size
1,842 acres
Burned area mapped by MTBS
1,946 acres
Area inside the final perimeter
1,822 acres
Discovered
July 6, 1999, 2:11 p.m. local time
Contained
July 12, 1999, 6:00 p.m. local time
Cause
Human, Firearms and explosives use
State
Oregon
County
Lake County
Land ownership at origin
Forest Service
Reporting unit
Fremont-Winema National Forest
Agency
Forest Service
Incident type
Wildfire
MTBS fire identifier
OR4229412048619990706
MTBS assessment
Extended
Fire occurrence record
FS-350720
Perimeter map method
GPS - Uncorrected Data

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 Oregon in 199912

FireAcresStartCause
Unnamed Fire8,000Sep 26, 1999
He He Fire6,172Sep 29, 1999Human
Degarmo Fire5,000Nov 7, 1999Human
Stonehouse Fire4,545Aug 18, 1999Natural
Unnamed Fire4,214Sep 10, 1999
Horse Cr Fire3,747
Long Hollow Summit Fire3,626Aug 4, 1999Natural
Crump Fire3,200Aug 3, 1999Natural
Rainbow Quarry Fire3,027Sep 5, 1999Human
Ankle Creek Fire2,678Oct 21, 1999Human
Blackrock Fire2,280May 19, 1999
Schoolhouse Gulch Fire2,100Jul 17, 1999Human

Every fire of 1999 Oregon fire history

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.