Fire Risk - Forest Fire Risk Index - RCM

The conjunctural and meteorological risk (RCM) is calculated daily and results from the combination of two indices:

     i) the "meteorological index of forest fire danger", updated once a day by the IPMA and called FWI (Fire Weather Index);

     ii) the "rural fire hazard index", which includes a structural component of decadal periodicity and a cyclical component of annual periodicity, which takes into account the burnt areas of the last three years, both under the responsibility of the Institute for Nature Conservation and Forests (ICNF).

The integration of the two indexes is carried out by applying a risk weighting matrix. Agglutination by administrative unit (County and District) is carried out by weighting the highest risk values, considering the threshold of 20% of the most serious classes.

In 2020, the hazard index was updated on 13 July.

•  See the RCM methodological note. (only in PT)