NOTE: A beta version of HERA is currently provided on this website so that we can get feedback from potential users. Since this version is a work in progress, you may see changes to the HERA dashboards, individual maps or plots. Please do not hesitate to contact us with any questions, observations or suggestions at Thank you for your patience!

HERA is a decision-support tool designed to assist community agencies in planning and preparedness for extreme events.  The tool provides decision support through:

  • Data visualization
  • Providing county-level data and information on extreme events
  • Probabilities and recurrence intervals for extreme events
  • Comparisons across counties
  • Information on event-specific impacts