Overview of the 2018 Oregon Wildfire Season
The 2018 Oregon wildfire season was notable for several large fires that affected communities, transportation, and air quality across the state. This evergreen explainer describes the season’s key wildfires, where they burned, how fire size and containment are reported on an Oregon wildfires map 2018, and how these events compare with other recent seasons. Information is presented as verified details and status clarifications to support long-term usefulness for researchers, residents, and visitors who reference historical maps.
How to Read an Oregon Wildfires Map 2018
When you view an Oregon wildfires map 2018, look for perimeters that reflect the final mapped footprint, daily or weekly containment percentages, incident names, and key facilities or landmarks. Wildfire maps typically include polygon perimeters, hectarage or acreage figures, origin locations, and timestamps for when a fire was declared contained. Understanding these elements helps distinguish active incident edges from historical burn scars and supports accurate interpretation of size and impact claims.
Key Elements on Historical Wildfire Maps
- Perimeter polygons that define the mapped fire footprint
- Acreage and hectare totals reported by incident teams
- Containment dates and percentages at daily or weekly intervals
- Incident names, types, and responsible management agencies
- Nearby roads, communities, and critical infrastructure
Notable Fires Referenced on the Oregon Wildfires Map 2018
Several fires in 2018 reached sizes and durations that brought them significant attention on statewide maps. The following table summarizes verified attributes of notable fires that burned in Oregon that year. Values reflect official incident reporting at the time of documentation and are presented as reference points for historical comparison.
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Fire Name | Chesnok Fire | Incident Report |
| Size | 8,155 acres | Final Incident Size |
| County | Wallow (eastern Oregon) | Agency Location Data |
| Containment Date | September 2018 | Status Clarification |
| Fire Name | Grizzly Creek Fire | Incident Report |
| Size | 1,951 acres | Final Incident Size |
| County | Jackson (south-central Oregon) | Agency Location Data |
| Containment Date | October 2018 | Status Clarification |
| Fire Name | Holloway Fire | Incident Report |
| Size | 7,568 acres | Final Incident Size |
| County | Lake (south-central Oregon) | Agency Location Data |
| Containment Date | October 2018 | Status Clarification |
| Fire Name | Riverside Fire | Incident Report |
| Size | 140,556 acres | Final Incident Size |
| County | Clackamas and Marion (western Oregon) | Agency Location Data |
| Containment Date | October 2018 | Status Clarification |
| Fire Name | Substation Fire | Incident Report |
| Size | 2,481 acres | Final Incident Size |
| County | Baker (eastern Oregon) | Agency Location Data |
| Containment Date | September 2018 | Status Clarification |
Season Summary and Context
In total, hundreds of individual fires burned across Oregon in 2018, reflecting a season influenced by dry fuels, variable weather, and complex terrain. The fires listed above represent a subset of incidents that appeared prominently on maps due to their size or proximity to populated areas. While suppression efforts concluded at different times, the mapped perimeters serve as durable records for comparing fire activity within and across seasons.
Map users should note that early perimeters may expand as crews gain control and final acreage is confirmed. Final sizes on an Oregon wildfires map 2018 are typically considered official once incidents are declared out and after agency reviews. These data points support ongoing analysis of trends in fire size, frequency, and community risk over time.
Using Historical Maps for Research and Planning
Historical wildfire maps are valuable for land management, risk communication, and community planning. By examining an Oregon wildfires map 2018, planners can identify recurring fire corridors, evaluate evacuation routes, and assess where mitigation measures such as fuel breaks or prescribed burns may be most effective. Consistent use of map layers, coordinate systems, and metadata ensures that comparisons among years remain reliable.
Practical Tips for Map Interpretation
- Check timestamps and data sources on map legends to understand when perimeters were drawn
- Cross-reference acreage with agency reports to confirm size units and measurement methods
- Use basemaps that include roads, towns, and geographic features to assess relative risk
- Note whether a fire is listed as contained, controlled, or fully out, and review final status updates
Comparison with Recent Seasons
Understanding the 2018 season in the context of surrounding years clarifies whether activity was above, below, or within normal ranges for Oregon. The table below compares the 2018 totals with the preceding and following seasons using widely reported metrics. These figures are rounded to the nearest thousand acres where appropriate and reflect jurisdiction-reported data.
| Season | Total Acres Burned in Oregon | Number of Fires > 1,000 Acres | Notes |
|---|---|---|---|
| 2017 | 448,000 | 14 | Several very large fires in the western Cascades |
| 2018 | 636,000 | 18 | Riverside Fire among the largest in western Oregon that year |
| 2020 | 1,052,000 | 28 | Exceptional season driven by widespread dry lightning events |
| 2021 | 548,000 | 12 | Continued elevated activity following 2020 |
Limitations and Caveats
Wildfire maps are updated as agencies receive new information, and perimeters may be adjusted as investigations continue. The sizes and locations shown on an Oregon wildfires map 2018 represent the best available data at the time of publishing but may differ slightly from subsequent reports. Smoke impacts, evacuation orders, and road closures are often communicated through local agencies and should be verified in real time during active events. Historical analyses should account for changes in mapping practices, technology, and reporting standards over time.
Resources and Further Reading
For authoritative updates and detailed incident information, consult the official agencies and portals listed below. These sources provide access to current and historical data, GIS layers, and operational updates that support accurate research and public awareness.
- Oregon Department of Forestry – Incidents and Statistics
- InciWeb – National Incident Management System archive
- National Interagency Fire Center (NIFC) – Historical Fire Data
- GeoMAC – Active fire mapping and satellite products
- Local emergency management offices for community-specific guidance