NWCG FIRELINE HANDBOOK

1 (20-foot Windspeed)―Enter the 20-foot windspeed provided in the Special Weather Forecast. 2 (Fuel Model Number)―Enter one of the 13 FBPS fuel models. 3 (Wind Sheltering)―Using Diagram 1 on page B-32, determine whether fuels are: 1) unsheltered, 2) partially sheltered, 3) fully sheltered (open) or 4) fully sheltered (closed). ................
................