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The National Hydrologic Warning Council (NHWC), with membership across the United States and around the world, is a non-profit organization dedicated to assisting emergency and environmental management officials by providing expert advice on the use of real-time, high quality hydrologic information from automated remote data systems, with the goals of protecting lives, property, and the environment.

Our vision is for all communities to effectively use hydrologic information and warnings to protect lives, property, and the environment.

Our mission is to provide education, training, and standards for the generation, delivery, and use of timely reliable hydrologic information.

NEW! Click here for the latest issue of The NHWC Transmission.

2017 Conference Click here to go to the 2017 Conference


  • Important Call to Action from the National Hydrologic Warning Council - A request has been made to the Federal Communications Commission for shared access to the 1675-1680 MHZ radio spectrum between terrestrial mobile and federal uses.  The NHWC strongly encourages our member organizations to review FCC Notice RM-11681, as well as to write and submit comments directly to the FCC.  Instructions for doing so can be found at this link:  FCC Spectrum Defense
  • The Northeast Regional Workshop has been scheduled for Sept 20-21 in Albany, NY.  For more information and registration, please visit this link.
  • February 19, 2016 - The NHWC has compiled a page of resources to benefit members looking to maximize their regional flood warning and response activity credits under Section 610 of the NFIP's CRS Program.  Please click this link.
  • November 24, 2015 - The Texas Workshop (Austin, TX, Oct 28-29) was a huge success.  Unfortunately, the workshop was immediately followed by record flooding, further illustrating that the need for advanced technologies and training is likely to continue into the future. Presentations from the workshop can be found at this link.
  • August 21, 2015 –  The 2015 Conference Presentations from the June 15-18 biennial conference are now available for viewing. Thank you to all the presenters for an exceptional training event. If you attended the conference you are reminded that the International Association of Emergency Managers has approved 18 hours of conference attendance under the CEM/AEM professional contribution B) Professional Attendance for Emergency Managers and Certified Floodplain Managers will receive 12 core continuing education credits from the Association of State Floodplain Managers.
  • NHWC  has issued an appeal for ALERT2 Source Address Management System funding. All users of original ALERT and ALERT2 will reap benefits. Click here to learn how you can help. Click here to contribute online. For more information about ALERT2, see the ALERT2 menu on the sidebar.
  • The Association of State Floodplain Managers (ASFPM) has issued a report titled – A Strategy to Reduce the Risks and Impacts of Dams on Floodplains. This report includes an analysis of the relationship of dams to the floodplain and recommendations on how to better integrate dams into floodplain management and flood risk reduction activities. The development of this strategy document was funded by the Federal Emergency Management Agency. Glenn Austin, represented NHWC on the Advisory Committee for this project.The full report is available here.

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