This tool will take a fire perimeter and use pre and post fire Landsat images to detect burn severity of vegetation. The images are compared and a severity polygon layer is created based on the fire perimeter. Generally Post fire Landsat images are Landsat 7 or Landsat 8 with 8 being the most prefered. Pre fire Landsat images being 5, 7 or 8 with the most preferred being Landsat 8. Required: 1. USGS Landsat account to browse and download Landsat Data 2. Fire perimeter shapefile 3. Post fire Landsat Image placed in separate folder 4. Pre fire Landsat Image placed in separate folder