Sourdough Fire
The Sourdough Fire was reported on July 29, 2023 in Whatcom County, Washington and burned 7,377 acres. It was declared out on November 27, 2023. The cause is listed as natural.
- Size
- 7,377 acres
- Contained
- 50%
- Discovered
- July 29, 2023
- Personnel
- 7
Map
Perimeter mapped February 6, 2024 at 11:17 AM PST, 7,337 acres (mixed methods). Point of origin 48.722, -121.136.
The incident
- Size
- 7,377 acres
- Containment
- 50%
- Discovered
- July 29, 2023 at 9:11 AM PDT
- Contained
- November 1, 2023 at 10:00 AM PDT
- Controlled
- November 13, 2023 at 12:00 PM PST
- Declared out
- November 27, 2023 at 12:00 PM PST
- Cause
- Natural
- Location
- North of Diablo and Gorge Lakes, West of Ross Lake in Ross Lake NRA and NCNP.
- County
- Whatcom County
- State
- Washington
- Nearest city reported
- Diablo
- Protecting agency
- NPS
- Jurisdiction
- NPS
- Land ownership at origin
- NPS
- Personnel assigned
- 7
- Incident management
- Type 4 IC
- Primary fuel
- Timber (Litter and Understory)
- Estimated cost to date
- $17,000,000
- Incident type
- Wildfire
- Unique fire identifier
- 2023-WANCP-000262
- IRWIN identifier
- 66E04EDE-BB28-4FC0-9255-77582BE4FFA9
Growth
Mapped area at the last perimeter of each day, from July 31, 2023 (24 acres) to February 6, 2024 (7,337 acres). The largest one-day growth was 2,397 acres, mapped August 4, 2023.
| Day | Acres | Change |
|---|---|---|
| July 31, 2023 | 24 | |
| August 1, 2023 | 38 | +14 |
| August 3, 2023 | 536 | +498 |
| August 4, 2023 | 2,933 | +2,397 |
| August 5, 2023 | 1,397 | -1,536 |
| August 6, 2023 | 1,440 | +43 |
| August 7, 2023 | 1,446 | +6 |
| August 8, 2023 | 1,712 | +266 |
| August 9, 2023 | 1,809 | +97 |
| August 11, 2023 | 1,907 | +98 |
| August 12, 2023 | 1,938 | +31 |
| August 13, 2023 | 2,586 | +648 |
| August 14, 2023 | 2,953 | +367 |
| August 17, 2023 | 4,532 | +1,579 |
| August 18, 2023 | 4,868 | +336 |
| August 19, 2023 | 5,618 | +750 |
| August 20, 2023 | 5,652 | +34 |
| August 21, 2023 | 5,997 | +345 |
| August 25, 2023 | 6,140 | +143 |
| August 27, 2023 | 6,171 | +31 |
| August 28, 2023 | 6,221 | +50 |
| August 29, 2023 | 6,234 | +13 |
| September 8, 2023 | 6,252 | +18 |
| September 11, 2023 | 6,369 | +117 |
| September 17, 2023 | 6,729 | +360 |
| February 6, 2024 | 7,337 | +608 |
Weather in the area
This fire is no longer listed as current. The forecast for Concrete, WA covers the area today.
Nearby
Washington wildfires today Wildfires of 2023 All current fires
Incident record from the National Interagency Fire Center’s Wildland Fire Interagency Geospatial Services (WFIGS), as the incident’s managers report it; last updated November 27, 2023 at 12:20 PM PST. Identifier 2023-WANCP-000262.