Fire Danger Rating The Fire Danger Rating (FDR) is an - TopicsExpress



          

Fire Danger Rating The Fire Danger Rating (FDR) is an assessment of the potential fire behaviour, the difficulty of suppressing a fire, and the potential impact on the community should a bush fire occur on a given day. The RFS may declare a Total Fire Ban for days of increased fire danger, based on advice from the Bureau of Meteorology (BOM). The FDR is determined by the Fire Danger Index (FDI). The FDI is a combination of air temperature, relative humidity, wind speed and drought. An FDI of 1 (Low-Moderate) means that fire will not burn, or will burn so slowly that it will be easily controlled, whereas an FDI in excess of 100 (Catastrophic) means that fire will burn so fast and so hot that it is uncontrollable.
Posted on: Tue, 22 Oct 2013 08:47:02 +0000

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