| Forecast | Weather Event | Recommendation |
| Stagnant | Low
level temperature inversion and
Stagnant air at night. |
No burning. |
| Very Poor | Rapid inversion
set-up at sunset
and very light or calm wind. |
Terminate burning
in late afternoon
to allow smoke dispersal before sunset. |
| Poor | Gradual inversion
set-up overnight.
Light wind. |
Terminate burning
around dusk or
shortly after sunset. |
| Fair | Weak or no
inversion set-up overnight.
Light to moderate wind. |
Burning anytime. |
| Good | No inversion.
Moderate to strong and
gusty wind. |
Burn with caution.
Possible adverse fire behavior. |