Criteria |
Vegetation Stage I or II cured/transition - Spring/Fall |
Vegetation Stage III green - Summer |
RH | less than 30 % | less than 30 % |
Rainfall |
less than 1/4 inch during previous 5 days |
less than 1/4 inch during previous 8 days |
Wind |
sustained or frequent gusts above 25 mph |
sustained or frequent gusts above 25 mph |
Fuel | N/A |
Keetch-Byram Drought Index above 300 |