U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
Remote Weather Stations & Energy Release Component
Energy Release Component
Energy Release Component (ERC) is an NFDRS index related to how hot a fire could burn. It is related to the 24-hour potential worst case total energy (BTUs) released per unit area (square foot) within the flaming front at the head of a fire. Daily variations in ERC are due to changes in moisture content of the various fuels present, both live and dead. The ERC is a cumulative or "build-up" type of index. As live fuels cure and dead fuels dry, the ERC values get higher thus providing a good reflection of drought conditions.