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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


  • February 20, 2017 - A draft agenda has been posted for the 12th NHWC Training Conference & Exposition in Squaw Valley.  Go to for more information.
  • February 15, 2017 - The call for abstracts has ended for the 2017 Conference.  Our agenda team is currently reviewing abstracts and compiling the agenda.  Notifications should come out soon.
  • December 15, 2016 - The call for abstracts deadline for the 12th NHWC Training Conference and Exposition in Squaw Valley has been extended to January 9, 2017.  Please take a look at our 2017 Conference Call for Abstracts and consider submitting.  Remember, speakers at the conference are eligible for the lowest registration fees.
  • November 30, 2016 - Registration is now open for those who wish to exhibit or sponsor the NHWC 2017 Conference. Individual registration will open soon.  Exhibit booths and sponsorship opportunities are on a first come, first served basis, and exhibit hall rates increase on March 1, 2017.  Take advantage of these early-bird rates.
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  • November 22, 2016 - December 12 is the deadline for submission of presentation abstracts for the NHWC 2017 Conference, which is being held in Olympic Valley, California from June 6 to 8, 2017. Reflecting the mountain location close to Lake Tahoe that was the site of the 1960 Winter Olympics, the theme of the 2017 Conference is Taking Hydrologic Warning to Olympic Heights.  Just a short abstract is required to share your experiences and the advances you have been working on.  Click here to see the full Call for Presentation Abstracts, download the 2017 Abstract Submission Form, or go to the 2017 Conference tab above for other conference information.  Speakers at the conference are eligible for the lowest registration fees.
  • November 8, 2016 - NHWC recently hosted the 2016 Texas Workshop on November 2-3 in San Antonio, Texas. The theme of the workshop was Spring 2016 Floods, and was focused on the spring floods across Texas including flood warning systems performance, flood forecasts and warnings, flood impacts, reservoir operations, and post flood activities. Other topics included radio frequency encroachment, NOAA Atlas 14, and ALERT2.  Presentations from the workshop can be found at the following link:  Texas Workshop Presentations
  • September 30, 2016 - The recent NHWC Northeast Regional Workshop in Albany, NY was quite a success. The theme of the workshop was Prepare to Protect, Advancing Community-Based Flood Warning. The exceptional agenda focused on technological advances and necessary considerations for developing and maintaining flood resilient communities in a changing climate.  Attendees heard about recent flood events and related preparedness and response activities from many different perspectives, and had opportunities to network with peers from around the nation.
  • May 25, 2016 - 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
  • 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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