Community Advisory Committee for Water Prediction Membership


Matt Ables

Chief Executive Officer for the North American subsidiary


Matt.Ables at

Matt Ables is the Chief Executive Officer for the North American subsidiary of KISTERS.  Founded in 1965, KISTERS has been creating hydrological, meteorological, and environmental data management software since 1985.  Mr. Ables began his career in 2000 as a Hydrologist with the Lower Colorado River Authority in Austin, Texas, where he helped maintain stream gauges and was responsible for the KISTERS hydrological database and software. In 2008 he joined KISTERS in Sacramento, California as Project Manager and Consulting Hydrologist. He was responsible for designing and implementing hydrological data management systems across the U.S. and Canada. Now as CEO, he manages day-to-day operations and oversees larger projects including software deployment at several state and provincial agencies, hydropower operations, municipalities, and water districts. Mr. Ables has 18 years of experience in hydrological data management, a Bachelor of Science in Geology from Baylor University and a Master of Science in Geography from Texas State University. He is a registered Professional Geoscientist in the State of Texas. 


Jerad Bales (ex officio)

Executive Director of the Consortium of Universities for the Advancement of Hydrologic Science, Inc.


jdbales at

Founded in 2001, CUAHSI is a non-profit 501(c)3 research organization representing more than 130 U.S. universities and international water science-related organizations. CUAHSI develops infrastructure and services for the advancement of water science in the United States, supporting the broad multi-disciplinary science community. Prior to his position with CUAHSI, Dr. Bales was the U.S. Geological Survey’s Chief Scientist for Water. In this position, he was the Senior Executive re­sponsible for $100M of activities related to the planning and devel­opment of national hydrologic research and technology transfer. Dr. Bales has conducted research on water-resources, hazards, and water-quality issues throughout the U.S. and internationally, and has published more than 120 articles and technical reports on this work. Dr. Bales has served on many interagency committees, including serving as Co-Chair of OSTP’s Subcommittee on Water Availability and Quality and as Chair of the U.S. National Committee for the UNESCO International Hydrological Programme. He received his Ph.D. in Civil Engineering/Water Resources from the University of Texas. 


Ana P. Barros

Professor of Civil and Environmental Engineering

Duke University, Pratt School of Engineering

barros at

Dr. Ana P. Barros is the Edmund T. Pratt Jr. School Distinguished Professor of Civil and Environmental Engineering at Duke University, and a Professor of Earth and Ocean Sciences faculty of the Nicholas School of the Environment. Dr. Barros research is on multiscale water cycle processes with a special focus on hydrometeorology and hydrology of mountainous regions. Her research approach relies strongly on observational process studies using remote sensing and ground based observations, coupled modeling across the atmosphere and terrestrial continuum, and integration of models and observations. Dr. Barros has served and continues to serve in numerous committees and boards of various federal agencies, the NRC, and various professional and scientific societies. She is President-elect of AGU's Hydrology Section and Chair of the Atmospheric and Hydrospheric Sciences Section of AAAS. Dr. Barros is a Fellow of the AAAS, AGU, AMS, and ASCE, and a member of the NAE. 


Pat Burke

National Ocean Service (NOS)

Center for Operational Oceanographic Products and Services (CO-OPS)

pat.burke at

Patrick Burke currently serves as the chief for the Oceanographic Division for the NOS Center for Operational Oceanographic Products and Services (CO-OPS). CO-OPS is the authoritative source for accurate, reliable, and timely water levels,current, and other oceanographic and meteorological information along the U.S. coasts and Great Lakes needed to support safe and efficient maritime commerce. CO-OPS also supports the NOS operational coastal ocean modeling program, that works closely with the NOAA Office of Water Prediction's (OWP) National Water Center (NWC) to investigate freshwater-estuary-ocean modeling coupling approaches. 


Harry Cikanek 

NOAA NESDIS Center for Satllite Applications & Research (STAR)

harry.cikanek at

Harry Cikanek is the Director for the United States National Oceanic and Atmospheric Administrations's Center for Satellite Applications and Research (STAR). STAR is the unit of the NOAA Satellite and Information Service responsible for calibrating sensors and transforming raw and intermediate satellite data flows from NOAA and global observing system satellites into low latency weather and ocean environmental satellite-based data and information products. These feed forecast models, operations, personnel, and downstream value-added applications and research needs in NOAA, its partners, and external users, are essential to NOAA's mission to protect life, property and livelihoods. Cikanek began this assignment in January 2017 to ensure successful transition to operations for GOES 16, GOES 17, and JPSS-1 satelllite data products, and to chart a path to enable STAR to best harness the growing global observing system, emerging data product technologies, and the advent of commercial weather data for NOAA. 

Prior to his currente position, Cikanek sserved just over five years as the first Director of teh NOAA Joint Polar Satellite System (JPSS), stabilizing and streamlining the program to tighten its focus on the weather mission while avoiding over $2 billion in costs. He oversaw the successful transition of the Suomi National Polar Partnership (the first JPSS mission) satellite to NOAA operations and spearheaded adding Polor Follow On - JPSS-3 and JPSS-4 missions to the program. He began his career as a NASA aerospace engineer. NASA assignments iincluded engineering and program management in rocket propulsion, launch services, space transportation technology, and human exploration of space. He holds two degrees in mechanical engineering from the Georgia Institute of Technology. He is the author or coauthor of over 25 papers and articles. He is also a recipient of the Presidential Rank of Meritorious Executive, the NASA Outstanding Leadership Medal, and is an Associate Fellow of the American Institute of Aeronautics and Astronautics. 


Don Cline

United States Geological Survey (USGS)

Associate Director for Water Resources

dcline at

Dr. Don Cline is the U.S. Geological Survey’s Associate Director for Water Resources. Don leads the USGS’ research, monitoring, assessment, modeling, and prediction of the nation’s water resources. The USGS Water Resources Mission Area (WMA) provides society with the information it needs on water quantity and quality across the Nation. Don oversees the WMA’s efforts to advance understanding of the controls over water availability; to better predict changes in water quantity and quality in response to natural and human-induced changes; to anticipate and respond to water-related emergencies and conflicts; and to deliver timely water data, analyses, and decision-support tools seamlessly across the Nation to support water-resource decisions.

Don joined USGS in 2016 following a 19-year career with the National Oceanic and Atmospheric Administration’s National Weather Service, where he served as the Director of the National Water Center, the Chief of the Hydrology Laboratory, and the Director of the National Operational Hydrologic Remote Sensing Center. He has been in the Senior Executive Service since 2010.

Don has over 20 years of research, development, and operational implementation experience in applied and basic hydrologic and cryospheric science, large-scale field experiments, integrated environmental modeling, development and application of airborne and spaceborne observing systems, and applications of geographic information systems.  He holds a Ph.D., M.S. and B.S. from the Department of Geography at the University of Colorado, Boulder.


Clint Dawson

Professor in the Department of Aerospace Engineering and Engineering Mechanics

University of Texas, Austin

clint at

Clint Dawson is the John J. McKetta Centennial Energy Chair in Engineering and Professor in the Department of Aerospace Engineering and Engineering Mechanics, University of Texas, Austin, and head of the Computational Hydraulics Group in the Oden Institute for Computational Engineering and Sciences. Dr. Dawson's research focuses on numerical methods for partial differential equations, specifically flow and transport problems in computational fluid dynamics (CFD); scientific computing and parallel computing; finite element analysis; discontinuous Galerkin methods; shallow water systems; hurricane storm surge modeling; rainfall-induced flooding; ground water systems; flow in porous media; geochemistry; data assimilation, parameter estimation, uncertainty and error estimation. 

Dr. Dawson has authored or co-authored over 190 technical articles in the areas of numerical analysis, numerical methods and parallel computing, with applications to flow and transport in porous media, and shallow water systems. In 2001, he was elected Chair of the Society for Industrial and Applied Mathematics Activity Group on Geosciences, and has served on numerous conference organizing committees, review panels, and editorial boards.   In 2011, he was given the Institute for Computational Engineering and Sciences Distinguished Research Excellence Award; he received the Society for Industrial and Applied Mathematics Geosciences Career Prize in 2013, and was named a SIAM Fellow in 2016.   


Matthew Farthing

Research Hydraulic Engineer

Coastal & Hydraulics Laboratory

Matthew.W.Farthing at

Dr. Farthing began work at the Coastal and Hydraulics Laboratory in 2007. Prior to that he served as a research assistant professor in the Environmental Sciences and Engineering department at the University of North Carolina. His research interests include computational modeling of multiphase flow and transport phenomena and scientific computing in python and C++. Most of his current work focuses on hydrodynamic modeling in data-sparse regions. In particular, his current research and development efforts include finite element methods for multiphase flow and transport, reduced order modeling for free-surface hydrodynamics, and bathymetry estimation in riverine and littoral environments.


Efi Foufoula-Georgiou

University of California, Irvine

efi at

Efi Foufoula-Georgiou is a Distinguished Professor in the Departments of Civil and Environmental Engineering and Earth System Science, and the Samueli Endowed Chair in Engineering at the University of California, Irvine. Her area of research is hydrology and geomorphology, with special interest on scaling theories, multli-scale dynamics of precipitation and landforms, and the interaction of climate and the terrestrial environment. She has served on several advisorsy boards including the Water Science and Technology Board of the National Academies; NSF Advisory Council for Geosciences; NASA Earth Sciences Subcommittee; Board of Trustees of UCAR; chair of the Board of Directors for CUAHSI; and President of the Hydrology section of AGU. She is a fellow of AGU, AMS, AAAS, and an elected member of the European Academy of Sciences and the U.S. National Academy of Engineering (NAE). Professor Foufoula-Georgiou received a diploma in Civil Engineering from the National Technical University of Athens, Greece (1979), and an M.S. and Ph.D. (1985) in Environmental Engineering from the University of Florida, Gainesville.  


Richard Hooper

Research Professor

Tufts University, Dept. of Civil and Environmental Engineering, Water Resources Group

Richard.Hooper at

Dr. Richard P. Hooper is currently a Research Professor at Tufts University in the Water Resources group of the Department of Civil and Environmental Engineering. He was the founding Executive Director of CUAHSI which he lead from 2003 to 2017. While at CUAHSI, he oversaw the creation of the CUAHSI Hydrologic Information System and the founding of the Water Data Center—the first NSF-supported community facility for hydrology. Dr. Hooper worked with the Office of Hydrologic Prediction to develop and to execute the National Water Center’s Innovators Program Summer Institute. Dr. Hooper is active in catchment research, having served as ChaIr of the 2019 Gordon Research Conference on Catchment Science and Chair of the External Advisory Board for the Helmholtz Center’s Terrestrial Environmental Observatory Network.


Steve Kopp

Senior Product Engineer

Esri Inc.

skopp at

Steve Kopp is a Senior Product Engineer and Science Liaison at Esri Inc, an international geographic information system (GIS) software and services company. For more than 30 years Mr. Kopp has been part of the Software Products division at Esri, engaged in design, development, and management of GIS software. His primary focus is spatial analytic tools and spatial modeling applications, with a focus on Earth science applications, especially water resources. This work has led to long-term collaborations with Federal agencies, academia, and partner companies, toward  developing specialized software for hydrologic analysis. He is currently co-chair of the Technology Committee for the American Water Resources Association.


David Lesmes

Program Manager

Department of Energy’s Office of Biological and Environmental Research, Subsurface Biogeochemical Research (SBR) Program

David.Lesmes at

David Lesmes manages the Subsurface Biogeochemical Research (SBR) program in the Climate and Environmental Sciences Division in the Department of Energy’s Office of Biological and Environmental Research. The overarching objective of the SBR program is to advance a robust, predictive understanding of how watersheds function as integrated hydro-biogeochemical systems and how these systems respond to perturbations as needed to address U.S. energy and environmental challenges. David’s technical area of expertise is hydrogeophysics and before coming to the DOE he worked as an Assistant Professor at Boston College and as a Postdoctoral Fellow at the Massachusetts Institute of Technology. He received his PhD in Geophysics from Texas A&M University and a B.A. in Physics from the University of California at San Diego. David has served on many interagency committees including the OSTP Subcommittee on Water Quality and Availability (SWAQ), the U.S. Group on Earth Observations (USGEO), and the U.S. Global Change Research Program (USGCRP) Integrated Water Cycle Working Group.


Herbert Longenecker, III

Senior Physical Scientist

FEMA Headquarters Planning & Exercise Division, Response Geospatial Office

Herbert.Longenecker at

H. E. “Gene” Longenecker, III is a Senior Physical Scientist and modeling lead for the Response Geospatial Office in the FEMA Headquarters Planning & Exercise Division. Gene is a team lead and coordinator for FEMA’s Modeling Task Force (MOTF) and Storm Surge/Data Manager for the Hurricane Liaison Team (HLT). He previously served as FEMA Region IV’s Earthquake/Hazus Program Manager and Regional Geospatial Coordinator. He is responsible for interagency modeling and data coordination; perishable data collection missions driving disaster impact analytics; and development of multi-hazard risk and vulnerability assessment methodologies for federal and state emergency response planning and program activities. He serves as a lead subject matter expert in risk, vulnerability, loss estimation, GIS, and remote sensing on behalf of FEMA during federal disaster response operations.

Gene has bachelor’s degrees in Geography and Philosophy (B.S) and a Master of Arts degree in Geography (M.A.). He is also affiliated with the University of Colorado at Boulder’s Geography Department and Center for Science & Technology Policy Research, where he studies flood risk, economic development, and sustainability while finishing his doctoral degree in Geography (Ph.D., 2018). He has organized and conducted numerous domestic and international training, technical, and conference workshop sessions on behalf of FEMA, emphasizing the applications of GIS, modeling, data analyses, techniques development, and general geographic and scientific principles supporting disaster management. 


David R. Maidment

Department Chair, Civil Engineering

University of Texas at Austin

maidment at

David R. Maidment is a Professor Emeritus of the University of Texas, Austin, where he served on the civil engineering faculty from 1981 to 2019. In collaboration with the Consortium of Universities for Hydrologic Science, Inc. (CUAHSI), he led the engagement of the academic community in the initial development of the National Water Model, and was the technical director of the first three Summer Institutes held at the National Water Center. He received his Bachelor's degree in Agricultural Engineering from the University of Canterbury in Christchurch, New Zealand, and his M.S. and Ph.D. in Civil Engineering from the University of Illinois at Urbana-Champaign. In 2016 he was elected to the National Academy of Engineering for development of geographic information systems applied to hydrologic processes. 


Kyle Mandli

Assistant Professor

Columbia Data Science Institute, Department of Applied Physics and Applied Mathematics

kyle.mandli at

Dr. Kyle Mandli is Assistant Professor of Applied Mathematics in the Department of Applied Physics and Applied Mathematics and affiliated with the Columbia Data Science Institute. Prior to that he was at the University of Texas at Austin where he was a Research Associate at the Institute for Computational and Engineering Sciences, working in the computational hydraulics group. He received his Ph.D. in Applied Mathematics in 2011 from the University of Washington studying multi-layered flow as it applies to storm-surge simulation. His research interests involve the computational and analytical aspects of geophysical shallow mass flows such as storm-surge, tsunamis, and other coastal flooding. This also includes the development of advanced computational approaches, such as adaptive mesh refinement, leveraging novel computational technologies, such as accelerators, and the application of good software development practices as applied more generally to scientific and engineering software. 


John M. McHenry

Chief Scientist, Research meteorologist

Baron Services: Advanced Meteorological Systems

john.mchenry at

John McHenry, M.Sc., is Chief Scientist for the Advanced Meteorological Systems group within Baron Services, Inc. (BSI, He is a research affiliate of the North Carolina State Climate Office (SCO), and is a visitor in the North Carolina State University (NCSU) Department of Marine, Earth, and Atmospheric Sciences. John’s expertise is broadly based, including research and operational hydrological modeling, quantitative precipitation estimation, landsurface and road-conditions modeling, data-assimilation, numerical weather prediction, emissions modeling, and atmospheric chemistry / air pollution modeling and forecasting, all focused on realtime decision support. Within the US, Baron supplies a number of state and local agencies with numerical air quality predictions, providing decision support for operational air quality forecasting (AQF). John very active within the American Meteorological Society (AMS), where he most recently became Chair of the AMS Hydrology Committee.  (updated March 20, 2020).


Ehab Meselhe

Vice President for Engineering

The Water Institute of the Gulf

emeselhe at

Ehab Meselhe, Ph.D., P.E., is the vice president for engineering at the Water Institute of the Gulf, and a Professor at the River-Coast Science and Engineering, Tulane University.  He has more than 20 years of experience researching wetland hydrology, sediment transport, and computer modeling of inland watersheds, coastal wetland, estuarine, and riverine systems. Dr. Meselhe served as Louisiana’s technical lead for the Mississippi River Hydrodynamic and Delta Management Study and helped build the numerical models that provided a foundation for Louisiana’s 2017 Coastal Master Plan. He also served as an Associate Editor of the Journal of Hydrology (Elsevier), and the Journal of Hydraulic Research (International Association of Hydraulic Research).


Glenn Moglen

Research Hydrologist

Agricultural Research Service

Glenn.Moglen at

Glenn Moglen is a research hydrologist at the Agricultural Research Service in Beltsville, Maryland where he is the head of the Hydrology and Remote Sensing Laboratory. He is formerly a professor of Civil and Environmental Engineering at both the University of Maryland and Virginia Tech. Dr. Moglen earned his B.S. from the University of Maryland, his M.S. from Colorado State University, and his Ph.D. from the Massachusetts Institute of Technology. He is a registered professional engineer. Dr. Moglen’s research focuses on the hydrologic modeling of land use and climate change. He is an officer and active member of several technical committees with the Environmental and Water Resources Institute (EWRI) of the American Society of Civil Engineers (ASCE). Dr. Moglen is the author of a recent textbook on open channel flow.


Joseph Nimmich

Maritime Awareness Subject Matter Expert

Booz Allen Hamilton

Joe.Nimmich at

Joseph L. Nimmich joined Booz Allen Hamilton as a Senior Executive Advisor in April 2017. Prior to this, he served as Deputy Administrator of the Federal Emergency Management Agency (FEMA) (2014-17) where he focused on strengthening and institutionalizing the Agency's business architecture to achieve the FEMA mission, including actively modernizing information technology systems; instituting data analytics to enable evidence-based decision making; enhancing communication; and building a broader and more diverse workforce. Nimmich further played an instrumental role in establishing and facilitating several Agency governance structures to provide FEMA's program offices with a practical and collaborative approach to identify inefficiencies and gaps in decision-making, the ability to make decisions strategically and transparently, and in a manner that benefited the organization as a whole.  Between 2013-14 Nimmich was the Associate Administrator for the Office of Response and Recovery, responsible for directing the Response, Recovery, and Logistics Directorates, as well as the Office of Federal Disaster Coordination. He coordinated and synchronized all of FEMA Headquarters' operational response activities during major disasters and/or emergency activations.

He served in the U.S. Coast Guard for more than 33 years, retiring as a Rear Admiral in 2010.  His assignments included the First Coast Guard District, based in Boston, Massachusetts, where he was responsible for all Coast Guard operations across eight states in the northeast and 2,000 miles of coastline from the U.S.-Canadian border to northern New Jersey. Nimmich earned an MBA from the Stern School of Business at New York University, and holds a master's degree in Strategic Studies from the U.S. Army War College. He received his B.S. History and Government from the U.S. Coast Guard Academy.


Roy Rasmussen (ex officio)

NCAR Research Applications Laboratory (RAL) - Hydrometeorology Applications Program (HAP) 

rasmus at

Roy Rasmussen received a B.S. degree in Physics and Mathematics from Wheaton College, Illinois, in 1978, and Masters and Ph.D. from the University of California, Los Angeles, in Atmospheric Sciences in 1980 and 1982, respectively, specializingn in cloud physics. After receiving his doctorate, he was an Advanced Study Program postdoctoral researcher at the National Center for Atmospheric Research (NCAR). He is currently a Senior Scientist and director of the Hydrometeorology Applications Program (HAP) at the Research Applications Laboratory (RAL) at NCAR. He is an American Meteorological Society (AMS) Fellow and ten patents and over 100 peer reviewed journal papers. 

David Tarboton


Utah State University, Civil and Environmental Engineering, Utah Water Research Laboratory

david.tarboton at

David Tarboton is Director of the Utah Water Research Laboratory and professor of Civil and Environmental Engineering at Utah State University. His research focuses on advancing the capability for hydrologic prediction by developing models that take advantage of new information and process understanding enabled by new technology. He is principal investigator for the National Science Foundation project for the development of HydroShare, a collaborative environment for sharing hydrologic data and models operated by the Consortium of Universities for the Advancement of Hydrologic Science, Inc. (CUAHSI).  He has developed a number of models and software packages including the TauDEM hydrologic terrain analysis and channel network extraction package and Utah Energy Balance snowmelt model. He has been on the faculty at USU for 30 years where he teaches Hydrology and Geographic Information Systems in Water Resources. 


Michelle Thawley 

Environmental Protection Agency

thawley.michelle at

Michelle (Shelley) Thawley is currently an EPA project manager in charge of coordinating NHDPlus program activities within the EPA's Office of Water. Previously, she worked in the EPA Office of Pesticide Programs where she developed an NHDPlus-based modeling environment for nationwide watershed-scale water quality modeling efforts. She has a B.S. in Cartography and an M.S. in Physical Geography from the University of Maryland, College Park. 


Thomas Torgersen

Program Officer, Hydrologic Sciences

National Science Foundation (NSF)

ttorgers at

Thomas Torgersen has served as the lead Program Officer for the NSF program in Hydrologic Sciences since 2010. In that capacity, he directs a competitive external research program across the spectrum of current questions across the Hydrologic Sciences and its sister sciences. From 2010 to 2014, Dr. Torgersen Chaired the NSF program in Water Sustainability and Climate that investigated the complexity of water systems with a program investment of approximately $75M. This effort involved three directorates and USDA/NIFA. Since 2015, Dr. Torgersen has been co-chair of the NSF cross-Directorate initiative in Innovation at the Nexus of Food, Energy and Water systems that involved seven NSF Directorates as well as the USDA/NIFA coordination. This $80M program of research investigated the complexity of the F&E&W coupled system of systems including modeling, cyberinfrastructure and design, technical and social solutions as well as education, outreach and training. He represents NSF on several government committees including the federal Subcommitee on Water Availability and Quality (SWAQ). During his academic career, Dr. Torgersen spent 25 as faculty at the University of Connecticut and has over 90 peer-reviewed publications across the scope of isotope dating of groundwater; surface water processes, limnology, oceanography, and paleoclimate.  He served over 17 years as an editor for various journals including Water Resources Research, Reviews of Geophysics, and has served as a consultant for IAEA.


Dwane Young

Chief, Water Data Integration Branch

EPA Office of Water

Young.Dwane at

Dwane has worked with EPA since 2005, and has worked on environmental data management systems in both the Office of Water and the Office of Solid Waste and Emergency Response. Dwane has also served as the Federal Liaison to the Western States Water Council. Dwane led the initial development of the Water Quality Exchange (WQX) for EPA, played a key role in the development of EPA’s Clean Water Act Integrated Reporting systems, oversaw the implementation of updates to the RCRAInfo system, and has extensive experience with assisting partners in sharing water quality data. Dwane has a degree in Fisheries and Wildlife Management from Utah State University. He has spent the last seventeen years working on environmental data management systems.

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