FDI - Fire Dange Index

The Fire Danger Index (FDI) is derived from air temperature, relative humidity and wind speed data to calculate an index, which indicates how likely a fire is to spread and become out of control under the current conditions (the index is based on a curing factor of 100%).

In South Australia, the Harvest Code of Practice allows farmers to use machinery for harvesting when the FDI is less than 35. In addition, local CFS groups can also review the FDI figures from a number of stations and use them to provide recommendations for a whole district.

The graph shows a series of bands including when FDI 35 and each of the fire danger ratings are reached.


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