Fire Weather Wind Adjustment Tool

Fire Weather Wind Adjustment Tool

UNSHELTERED FUELS: Fuel exposed directly to the wind. No or sparse overstory. Fuel beneath timber that has lost its foliage; fuel beneath timber near clearings or clearcuts; fuel on high ridges where trees offer little shelter from the wind.

1. Fuels usually partially sheltered.
2. Fuels usually fully sheltered.

Fuel Model

4
California
Chaparal

13
Heavy Slash

1, 21, 3
Grass

5, 6, 71
Shrub/Brush

8, 9, 102
Timber litter

11, 12
Light/Medium Slash

PARTIALLY SHELTERED FUELS: Fuel beneath patchy timber where it is not well sheltered; fuel beneath standing timber at midslope or higher on a mountain with wind blowing directly at the slope.

All Fuel
Models

FULLY SHELTERED FUELS: Fuel sheltered beneath standing timber on flat or gentle slope or near base of mountain with steep slopes.

All Fuel
Models

Open Stands

Dense Stands