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Probabilistic Flood Hazard Assessment (PFHA) Research Workshop – 2022

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On February 15-18, 2022, the Nuclear Regulatory Commission's Office of Nuclear Regulatory Research (NRC/RES) will host the 7th Annual NRC Probabilistic Flood Hazard Assessment (PFHA) Research Workshop. Presenters will include staff and contractors from the NRC, as well as participants from federal agencies, industry, and other domestic and international organizations. Presentations will provide information on current activities, recent results, and perspectives on future research directions in flood hazard assessment, flood protection/mitigation, and flood risk assessment. In addition to flooding, the workshop will include discussion of non-seismic external hazards such as extreme temperatures and high winds. This four-day workshop will be held virtually and is open to the public at no charge. Workshop sessions are planned to run from 10am to 5pm (EST) each day.  Registration Deadline has been extended to February 7, 2022. 

Workshop Topics:

  • Climate and precipitation 
  • Site-scale, riverine, and coastal flooding
  • Modeling frameworks
  • Flooding events and operational experience
  • External flooding probabilistic risk assessment
  • Other (non-seismic) external hazards 

Registration and Abstract Submission

Call for Abstracts: This workshop will feature both invited and submitted presentations related to the topics listed above. Abstract and poster submission deadline has been extended to January 17, 2022.

For Additional information contact: PFHAworkshop@nrc.gov

Previous Years' Conference Proceedings

The abstracts, posters, and presentation files from PFHA 2021 workshop have been added to NRC’s database system ADAMS and are now publicly available.

Document Number Title Publish Date
ML21064A395 Sixth Annual Probabilistic Flood Hazard Assessment Workshop recorded presentations, abstracts, and posters 03/12/2022
RIL 2021–01 Proceedings of the Fifth Annual Probabilistic Flood Hazard Assessment Workshop 01/31/2021
RIL–2001 RIL-2001, Part 1, - Proceedings of NRC Annual Probabilistic Flood Hazard Assessment Research Workshops I-IV 02/03/2020
RIL-2001, Part 2, - Proceedings of NRC Annual Probabilistic Flood Hazard Assessment Research Workshops I-IV 02/03/2020
RIL-2001, Part 3, - Proceedings of NRC Annual Probabilistic Flood Hazard Assessment Research Workshops I-IV 02/03/2020
RIL-2001, Part 4, - Proceedings of NRC Annual Probabilistic Flood Hazard Assessment Research Workshops I-IV 02/03/2020

Agenda

Day 1 (Feb 15th, 2020) Oral Presentations
* denotes speaker
  Session 1A:  Introduction Chair: Joseph Kanney, NRC/RES    
1A-0 Webinar Logistics Kenneth Hamburger*, NRC/RES 10:00 10:10
1A-1 Opening Remarks Ray Furstenau*, Director, NRC Office of Research 10:10 10:25
1A-2 NRC PFHA Research Program Update Tom Aird*, NRC/RES 10:25 10:40
1A-3 Moving FEMA towards Probabilistic Flood Risk Analysis and Probabilistic Flood Hazard Analysis David Rosa*, Christina Lindemer, Federal Emergency Management Agency (FEMA) 10:40 11:05
1A-4 Committee on the Safety of Nuclear Installations (CSNI) Working Group on External Events (WGEV) John Nakoski*, NRC/RES (WGEV Chair) 11:05 11:20
  Break   11:20 11:35
  Session 1B: Sensors Chair: Joseph Kanney, NRC/RES    
1B-1 (Keynote) Flood & Fire Sensors for Resilient Communities Jeffrey Booth*, Department of Homeland Security, Science & Technology Directorate 11:35 12:00
1B-2 USACE Instrumentation and Monitoring Program Georgette Hlepas*, Christopher Schaal*, U.S. Army Corps of Engineers 12:00 12:25
1B-3 USGS Water Mission Area Observing Systems Research and Development Program R. Russel Lotspeich*, U.S. Geological Survey 12:25 12:50
1B-4 State and Local Experience in Virginia Implementing IoT Sensors and Data Systems David Ihrie*, Virginia Innovation Partnership Corporation 12:50 13:15
1B-5 Sensor Panel Discussion All Presenters 13:15 13:35
  Lunch   13:35 14:35
  Session 1C: Climate Chair: Elena Yegorova, NRC/RES    
1C-1 (KEYNOTE) Big Stories from the Historic Winter of 2020/21 David Novak*, National Oceanic and Atmospheric Administration, National Weather Service (NOAA/NWS) 14:35 15:05
1C-2 Linking Arctic variability and change with extreme winter weather in the US including the Texas Freeze of February 2021 Judah Cohen*1, Laurie Agel2, Mathew Barlow2, Chaim Garfinkel3, Ian White3;
1Atmospheric and Environmental Research, 2University of Massachusetts Lowell, 3Hebrew University of Jerusalem		 15:05 15:30
1C-3 2021 U.S. Billion Dollar Weather and Climate Disasters in Historical Context including New County-Level Exposure, Vulnerability and Projected Damage Mapping Adam Smith*, National Oceanic and Atmospheric Administration, National Centers for Environmental Information (NOAA/NCEI) 15:30 15:55
1C-4 Climate Panel Discussion All Presenters 15:55 16:25
1D Day 1 Wrap-up   16:25 16:30
Day 2 (Feb 16th, 2020) Oral Presentations
  Session 2A: Precipitation Chair: Kevin Quinlan, NRC/NRR    
2A-1 Uncertainty in Precipitation Frequency Estimates Under Current and Future Climate Azin Al Kajbaf*, Michelle Bensi, Kaye Brubaker; University of Maryland 10:05 10:30
2A-2 (KEYNOTE) Gridded Surface Weather Data with Uncertainty Quantification - Daymet V4 Peter Thornton*, Oak Ridge National Laboratory 10:30 11:00
2A-3 Utility of Weather Types to Improve the Nonstationary Frequency Analysis of Extreme Precipitation Giuseppe Mascaro*, Arizona State University 11:00 11:25
  Break   11:25 11:35
2A-4 Characteristics and Causes of Extreme Snowmelt over the Conterminous United States Joshua Welty*1, Xubin Zeng2;
1U.S. Navy Fleet Numerical Meteorology and Oceanography Center, 2Univerity of Arizona		 11:35 12:00
2A-5 LIP PFHA Pilot Study Rajiv Prasad*, Arun Veeramany, Rajesh Singh; Pacific Northwest National Laboratory (PNNL) 12:00 12:25
2A-6 Precip Panel Discussion All Presenters 12:25 12:55
  Lunch   12:55 14:00
  Session 2B: Riverine Flooding Chair: Joseph Kanney, NRC/RES    
2B-1 (KEYNOTE) Flood Typing and Application to Mixed Population Flood Frequency Analysis: An
Interagency Collaborative Effort		 Nancy Barth*1, Michael Bartles2, John England2, Jory Hecht1, Gregory Karlovits2, William Lehman2;
1U.S. Geological Survey (USGS), 2U.S. Army Corps of Engineers (USACE)		 14:00 14:30
2B-2 Applying Stochastic Weather Generation and Continuous Hydrologic Simulation for Probabilistic Flood Hazard
Assessments		 Joe Bellini*1, Bill Kappel2, Dennis Johnson2, Doug Hultstrand2;
1Aterra Solutions, 2Applied Weather Associates		 14:30 14:55
2B-3 IWRSS Flood Inundation Mapping for Flood Response Robert Mason*1, Julia Prokopec*1, Adam Barker*2, Cory Winders*3, Darone Jones*4;
1U.S. Geological Survey, 2Federal Emergency Management Agency, 3U.S. Army Corps of Engineers, 4National Weather Service		 14:55 15:20
2B-4 Using HEC-WAT for NRC's PFHA Process William Lehman*, Gregory Karlovits, David Ho, Leila Ostadrahimi, Brennan Beam, Sara O'Connell, Julia Slaughter;
U.S. Army Corps of Engineers Hydrologic Engineering Center (USACE/HEC)		 15:20 15:45
2B-5 Riverine Panel Discussion All Presenters 15:45 16:15
2C Day 2 Wrap-up   16:15 16:25
Day 3 (Feb 17th, 2020) Poster Presentations
  Session 3A: Posters Chair: Thomas Aird, NRC/RES    
3A-1 Flood Fragility Function Methodology for a Conceptual Nuclear Power Plant Joy Shen*, Michelle Bensi, Mohammad Modarres; University of Maryland
Join the meeting		 10:00 11:00
3A-2 Quantifying Uncertainty in Hurricane Warning Times to Inform Coastal Hazard PRA Somayeh Mohammadi*, Michelle Bensi; University of Maryland
Join the meeting		 10:00 11:00
3A-3 HEC-WAT Interface and Set Up for the Trinity River PFHA Pilot Project David Ho*, William Lehman, Brennan Beam, Sara O’Connell, Leila Ostadrahimi; U.S. Army Corps of Engineers, Hydrologic Engineering Center
Join the meeting		 10:00 11:00
3A-4 Riverine Flooding HEC-WAT Pilot Project Dam Break Modeling Brennan Beam*, William Lehman, Sara O’Connell, David Ho, Leila Ostadrahimi; U.S. Army Corps of Engineers, Hydrologic Engineering Center
Join the meeting		 10:00 11:00
3A-5 Flooding from Below – The Groundwater Emergence Hazard Kevin M. Befus*1, Patrick L. Barnard2, Peter W. Swarzenski2, Clifford Voss2;
1University of Arkansas, 2U.S. Geological Survey
Join the meeting		 10:00 11:00
3A-6 External Flooding PRA Guidance Marko Randelovic*1, Raymond Schneider*2;
1Electric Power Research Institute (EPRI), 2Westinghouse Company
Join the meeting		 10:00 11:00
  Break   11:00 11:10
Day 3 (Feb 17th, 2020) Oral Presentations
  Session 3B: Coastal Flooding Chair: Joseph Kanney, NRC/RES    
3B-1 (KeyNote) An Overview of CSTORM Model Development and Results for the South Atlantic Coastal Study (SACS) Margaret Owensby*1, Thomas Massey1, Tyler Hesser1, Mary Bryant1, Andrew Condon2;
1U.S. Army Corps of Engineers (USACE), Engineer Research and Development Center, Coastal and Hydraulics Laboratory, 2USACE Jacksonville District		 11:10 11:40
3B-2 Compound Flood Hazard Assessment using a Bayesian Framework Somayeh Mohammadi*1, Michelle Bensi1, Shih-Chieh Kao2, Scott DeNeale2, Joseph Kanney3, Elena Yegorova3, Meredith Carr4;
1Univeristy of Maryland, 2Oak Ridge National Laboratory, 3U.S. Nuclear Regulatory Commission, 4U.S. Army Corps of Engineers, Engineer Research and Development Center, Coastal and Hydraulics Laboratory		 11:40 12:05
3B-3 Coastal Flooding PFHA Pilot Study Victor M. Gonzalez*, Meredith L. Carr, Karlie Wells, Norberto C. Nadal Caraballo; U.S. Army Corps of Engineers, Engineer Research and Development Center, Coastal and Hydraulics Laboratory 12:05 12:30
3B-4 Probabilistic Wave Height Hazard Assessment Method at the NPP Site Considering Storm Surge Beom-Jin Kim*, Daegi Hahm, Minkyu Kim; Korea Atomic Energy Research Institute 12:30 12:55
3B-5 Comparative Assessment of Joint Distribution Models for Tropical Cyclone Atmospheric Parameters in Probabilistic Coastal Hazard Analysis Ziyue Liu*1, Michelle Bensi1, Meredith Carr2, Norberto Nadal-Caraballo2;
1University of Maryland, 2 U.S. Army Corps of Engineers Engineer Research and Development Center Coastal and Hydraulics Laboratory		 12:55 13:20
3B-6 Coastal Panel Discussion All Presenters 13:20 13:50
3C Day 3 Wrap-up   13:50 14:00
Day 4 (Feb 18th, 2020) Oral Presentations
  Session 4A: Duane Arnold Derecho Operational Experience Chair: Joseph Kanney, NCR/RES    
4A-1 Duane Arnold Energy Center (DAEC) Loss of Offsite Power (LOOP) Due to Derecho Terry Brandt*, Nextera Energy 10:00 10:25
4A-2 The NRC’s Regional Response to the Duane Arnold Derecho John Hanna*, U.S. Nuclear Regulatory Commission, Region 3 (NRC/R3) 10:25 10:50
4A-3 Why the Risk of the Extended Loss of Offsite Power Was Almost a Significant Precursor? Christopher Hunter*, U.S. Nuclear Regulatory Commission, Office of Research (NRC/RES) 10:50 11:15
4A-4 The NRC’s Response to the Duane Arnold Derecho Event using the LIC-504 Process Matthew Leech*, U.S. Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation (NRC/NRR) 11:15 11:40
4A-5 Duane Arnold OpE Panel Discussion All Presenters 11:40 11:40
  Break   11:40 11:55
  Session 4B: ASCE-7 Tornado Wind Loads Chair: Elena Yegorova, NRC/RES    
4B-1 Introduction to Tornado Loads in the New ASCE 7-22 Standard - Including Long Return Period Tornado Hazards Maps with Applications to Nuclear Facilities Marc Levitan*, National Institute of Standards and Technology 11:55 12:25
  Lunch   12:25 13:25
  Session 4C: USACE Dam and Levee Database Updates Chair: Joseph Kanney, NRC/RES    
4C-1 National Inventory of Dams Becky Ragon*, U.S. Army Corps of Engineers 13:25 13:55
4C-2 National Levee Database Brian Vanbockern*, U.S. Army Corps of Engineers 13:55 14:25
4D Workshop Wrap-up Discussion   14:25 14:45

Contact Information

If you have questions or need further information regarding the workshop, please contact the following:

NRC Contacts:

Joe Kanney
Email: Joseph.Kanney@nrc.gov
Phone: (301) 415-1920

Elena Yegorova
Email: Elena.Yegorova@nrc.gov
Phone: (301) 415-2440

Thomas Aird
Email: Thomas.Aird@nrc.gov
Phone: (301) 415-2442

Page Last Reviewed/Updated Thursday, April 28, 2022

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