Managing future flood risks in dynamic weather environments requires forward-thinking technology. Engineers often rely on NOAA’s Atlas 14, which provides rainfall intensity-duration-frequency (IDF) curves to guide designs like pipe sizes or bridge heights. However, Atlas 14 assumes rainfall patterns don’t change and ignores recent trends. While the nation awaits Atlas 15, states like North Carolina are filling the gap with new tools.

This live virtual program will discuss one of these new tools, RaInDROP (Rainfall Intensity, Duration, and Return for Observations and Projections). RaInDROP blends engineering expertise with future climate insights. Tools like RaInDROP reveal changing precipitation extremes, while stress-testing systems against historic storms and using atmospheric models to provide insights to how future versions of those storms might evolve. Participants will hear examples of how municipalities and state agencies are already using RaInDROP data and atmospheric models to strengthen long-term flood resilience.

After completing this course participants will be able to:

  • Explain rainfall intensity, duration, and frequency of rainfall events.
  • Describe methods and datasets that support RaInDROP.
  • Provide examples of how RaInDROP and atmospheric model experiments are being used to inform long-term flood resilience.

Links/Handouts

Speaker

Jared Bowden
Interim Director
State Climate Office of North Carolina

Moderator

Alicia Lanier
Stormwater Project Manager – Special Projects
City of Fayetteville, North Carolina

Hosted by the Water Resources Committee.

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