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What's New


UPDATED: 8/8/26

Understanding the Basics of NFDRSv4

  • A new entry-level description of the NFDRSv4 model.  22 pages.

Default FEMS FireFamilyPlus Database v2

  • A top trending resource

On the National Fire Danger Rating System page in the FEMS Data Sets Information accordion, a link to the abstract for the paper describing the foundation of the dead fuel moisture model in NFDRSv4 has been changed to a link to the published paper (Nelson, 2000).

Transition Materials from WIMS to FEMS

  • Everything you need to navigate the transition