Richard,

Attached is the zip file containing the version #3 BARC assessment for Chimney Tops 2 (TN).

I think the BARC4/BARC256 soil burn severity layers look more reasonable than previous assessments due to the fact we were able to use EO-1 ALI data for the post fire scene allowing the generation of the dNBR burn ratio versus the dNDVI ratio. 

This assessment is based upon a post fire EO-1 ALI image acquired on 12/11/2016 and a pre fire Landsat 8 scene acquired on 12/03/2015. The post and pre fire images had terrain shadows as we had with previous assessments. Those area were masked and labeled as "no data" in the BARC layers.  All files are in ERDAS "Img" format which is compatible with ArcGIS. The data are in UTM Zone 17 projection.

For Dennis' Landslide/debris flow modeling he may need to consider the terrain shadow areas and perhaps mask or otherwise deal with those areas in his analysis. It may make sense to only use the BARC4 layer and revert back to the older models that used classified severity (i.e., mod and high) versus the dNBR1000 continuous data.

Please note that BARC imagery and associated data layers are preliminary products until they have been field verified by professionally staffed Burned Area Emergency Response teams. NIFC Fire Coordinators ask that BAER staff, upon completing work on this fire, post BARC images, processed maps, GIS shapefiles, and other associated geospatial files to the NIFC ftp website. This includes any "final soil burn severity" or other maps that were derived from theBARC data and adjusted based upon local field work or expert knowledge. The incident should create an incident folder under the /NAT_BAER folder with a subfolder named BARC. Each Bureau's national coordinator can facilitate the posting if the requester does not have the capability. The ftp location is:  http://ftp.nifc.gov/nat_baer

Contact me anytime if you have questions about the data, how it can be used or other concerns. Any feedback on product quality and ways to potentially improve future products are always appreciated.

One note, the Landsat 7 image today for Chimney Tops 2 was all clouds.

Thanks,
Randy