| Aspect | Risk factor | |
| Flat areas | −1 | 0 |
| N/NE | 0 - 67.5˚ | 4 |
| E | 67.5˚ - 112.5˚ | 3 |
| SE | 112.5˚ - 157.5˚ | 2 |
| S | 157.5˚ - 202.5˚ | 2 |
| SW | 202.5˚ - 247.5˚ | 1 |
| W | 247.5˚ - 292.5˚ | 2 |
| NW/N | 292.5˚ - 360˚ | 3 |