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Ranch Fire BAER

Unit Information

Mendocino National Forest
U.S. Forest Service
825 N. Humboldt Ave.
Willows, CA 95988

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Incident Contact

Mendocino National Forest
Phone: 530-934-1137
Hours: M-F 8 am - 4:30 pm

Ranch Fire phase 2 soil burn severity map released

Ranch Fire BAER Burned Area Emergency Response
Announcements – 8/31/2018

Burned Area Emergency Response (BAER) specialists from the U.S. Forest Service recently completed their data gathering and field work of the entire Ranch Fire burn area. Their focus was to create the Soil Burn Severity map. Soil burn severity is classified into levels between unburned and high.

Last week, the BAER team finished their assessment of the southern 191,000 acres (Phase 1 assessment area). Phase 2 encompasses the rest of the fire area and was approximately 218,000 acres. Soil scientists have now driven, hiked, or done aerial reconnaissance over the fire to help calibrate their satellite image-based estimate of the soil burn severity.

The analysis resulted in the following severity breakdown:

Unburned / Very Low: 44,201 acres; 20%

Low: 100,653 acres; 46%

Moderate: 67,735 acres; 31%

High: 6,093; 3%

BAER post-fire assessment teams will use the soil burn severity data to identify if there are areas of concern where increased soil erosion, accelerated surface water run-off, and debris flows have the potential to impact human life and safety, property, and critical natural and cultural resources from rain events.

Areas located downstream from moderate and high soil burn severity, even within unburned areas, may experience increased rates of erosion, debris flows, and surface run-off due to cumulative effects.

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