Burn severity · Jefferson County 2025
Back to the Jefferson County 2025 Burn severity tab
| Acres by severity and land cover | Forest | Range (shrubland) | Grassland | Other | Unclassified | Acres in Jefferson County |
|---|---|---|---|---|---|---|
| Unburned to very low | 15,765 | 54,642 | 16,020 | 704 | 0 | 87,132 |
| Low | 3,490 | 4,893 | 1,418 | 224 | 0 | 10,025 |
| Moderate low | 581 | 366 | 214 | 28 | 0 | 1,189 |
| Moderate high | 161 | 57 | 134 | 9 | 0 | 361 |
| High | 196 | 12 | 29 | 3 | 0 | 241 |
| Assessed acres in Jefferson County | 20,193 | 59,970 | 17,816 | 969 | 0 | 98,948 |
Severity by fire
| Fire | Reported acres | Acres in Jefferson County | Unburned to very low | Low | Moderate low | Moderate high | High |
|---|---|---|---|---|---|---|---|
| Cram Fire | 95,736 | 93,717 (of 95,690) | 82,950 | 9,056 | 1,122 | 352 | 237 |
| 1107 Fire | 50 | 3,790 | 3,504 | 241 | 33 | 9 | 4 |
| Udc Fire | 965 | 907 | 315 | 568 | 24 | 0 | 0 |
| Greeley Heights Fire | 381 | 381 | 282 | 99 | 0 | 0 | 0 |
| 0948 (Ford) Jeffco Assist Fire | 100 | 153 | 82 | 62 | 9 | 0 | 0 |
| Flat Fire burned in from Deschutes County | 23,346 | 15,521 (of 23,357) | 9,188 | 4,817 | 1,204 | 281 | 30 |
| 0391 Grizzly Flat Fire burned in from Crook County | 624 | 79 (of 497) | 35 | 38 | 5 | 0 | 0 |
Reconciliation
| Line | Fires | Acres |
|---|---|---|
| Counted fires | 5 | 97,232 |
| Offered to assessment | 5 | 97,232 |
| Complex roll-up residue | — | 0 |
| Fires with severity acres | 5 | 97,232 |
| Awaiting a perimeter | 0 | 0 |
| Awaiting assessment | 0 | 0 |
| Awaiting clear imagery | 0 | 0 |
| Assessment errors | 0 | 0 |
| Smaller than one cell | 0 | 0 |
| Every cell outside Jefferson County | 0 | 0 |
| Assessed acres in Jefferson County | 5 | 98,948 |
| Assessed acres outside Jefferson County | — | 1,973 |
| Whole perimeter acres | — | 100,920 |
| Burned in from another county | 2 | 15,600 |
Generated 2026-09-17 16:55 UTC. Severity appears for wildfires in the lower 48 states and the District of Columbia that have a mapped perimeter. Each fire is assessed again every few days while its post-fire imagery can still improve.
Sentinel-2 dNBR assessed through 2026-09-17 16:55 UTC. LANDFIRE LF2024_EVT for OR. 30 m cells.