MetStat, Inc. regularly publishes and presents scientific and technological findings/techniques in a wide-variety of venues. We are actively involved in the latest scientific and technological methods through our many affiliations.

Below is a list of selected citations in chronological order.  Copies of publications and presentations are available upon request.

  • Hendricks, Alyssa, Tye W. Parzybok, Katie Laro, and William Mokry, 2015. MetStorm™: Near Real-Time Storm Precipitation Analytics. 2015 GIS in the Rockies, Denver, CO, September 23-24, 2015.
  • Parzybok, Tye, W., N.A. Lock, C.W. Porter, K. Laro, A.D. Hendricks, and W. Mokry, 2015. Near Real-time Storm Precipitation Analytics Using Dual-pol Radar Data.  American Meteorological Society 37th Conference on Radar Meteorology, Norman, OK,  September 13-18, 2015.
  • Parzybok, Tye, W., 2015. Panelist on Storm-Scale Observations. American Meteorological Society 2015 Summer Community Meeting, Raleigh, NC, August 4-6, 2015.
  • Mokry, William and Tye W. Parzybok, 2015. Real-time Average Recurrence Interval Maps: A New Way of Communicating High Impact Precipitation. 40th Annual Natural Hazards Research and Applications Workshop, Broomfield, CO, July 19-22, 2015.
  • Martin, Debbie, Mel Schaefer, George Taylor, and Tye W. Parzybok, 2015. Regional Precipitation Frequency Analysis for Four Storm Types in Tennessee Valley Watershed. 11th National Hydrologic Warning Council, Indianapolis, IN, June 15-18, 2015.
  • Laro, Katie, Tye W. Parzybok, Alyssa Hendricks, and William Mokry, 2015. MetStorm™: Near Real-Time Storm Precipitation Analytics. 11th National Hydrologic Warning Council, Indianapolis, IN, June 15-18, 2015.
  • Parzybok, T. and J. Franz, 2014: The Colorado September 8-17, 2013 Extreme Rainfall Event: Real-time Rainfall Analysis, Quantification and Dam Safety Response. In Proc. of ALERT Users Group. 25th Flood Warning Systems Training Symposium & Preparedness Workshops, Reno, NV, May 5-9, 2014.
  • Caldwell, R.J., and others, 2014: Statistical Extension of NOAA Atlas 14 for the Waterford Facility, Leonard Rice Engineers, Denver, CO.
  • Caldwell, R.J., and others, 2014: Probabilistic Estimates of Probable Maximum Precipitation for the Arkansas Nuclear One Facility, Leonard Rice Engineers, Denver, CO.
  • Caldwell, R.J., V. Sankovich, R. Swain, and J. England, Jr., 2014: El Vado Dam Meteorology for Application in Hydrologic Hazard for Corrective Action Study, U.S. Bureau of Reclamation, Technical Services Center, Denver, CO.
  • Perica, S., D. Martin, S. Pavlovic, I. Roy, C. Trypaluk, M. St. Laurent, D. Unruh, M. Yekta, G. Bonnin, 2013: NOAA Atlas 14 Volume 9, Precipitation-Frequency Atlas of the United States, Southeastern States and Volume 8, Precipitation-Frequency Atlas of the United States, Midwestern States, NOAA, National Weather Service, Silver Spring, MD.
  • Godaire, J., R.J. Caldwell, N. Novembre, T. Harden, and V. Sankovich, 2013: Extreme Floods in a Changing Climate, Dam Safety Technology Development Program, Bureau of Reclamation, Technical Services Center, Denver, CO.
  • Wright, J., V. Sankovich, J. Niehaus, N. Novembre, R.J. Caldwell, R. Swain and J. England, 2013: Friant Dam Hydrologic Hazard for Issue Evaluation. Technical Service Center, Denver, CO: USBR.
  • Parzybok, Tye, W and Brent Shaw, 2012: Forecast Average Recurrence Interval Precipitation Maps for the United States: A New Way of Communicating the Location and Magnitude of High Impact Precipitation Events. In Proc. Of 92nd American Meteorological Society Annual Meeting, New Orleans, LA, January 22-26, 2012.
  • Perica, S., D. Kane, S. Dietz, K. Maitaria, D. Martin, S. Pavlovic, I. Roy, S. Stuefer, A. Tidwell, C. Trypaluk, D. Unruh, M. Yekta, E. Betts, G. Bonnin, S. Heim, L. Hiner, E. Lilly, J. Narayanan, F. Yan, T. Zhao, 2012: NOAA Atlas 14 Volume 7, Precipitation-Frequency Atlas of the United States, Alaska, NOAA, National Weather Service, Silver Spring, MD.
  • Caldwell, R.J., J. England, and V. Sankovich, 2011: Application of Radar-Rainfall Estimates to Probable Maximum Precipitation in the Carolinas. Technical Service Center, Denver, CO: U.S. Bureau of Reclamation.
  • Caldwell, R.J., V. Sankovich and J. England, 2011: Synthesis of Extreme Storm Rainfall and Probable Maximum Precipitation in Southeastern U.S. Pilot Region. Technical Service Center, Denver, CO: U.S. Bureau of Reclamation.
  • England, J., V. Sankovich, and R.J. Caldwell, 2011: Review of Probable Maximum Precipitation Procedures and Databases Used to Develop Hydrometeorological Reports. Technical Service Center, Denver, CO: USBR.
  • Sankovich, V. and R.J. Caldwell, 2011: Extreme Storm Data Catalog Development, Bureau of Reclamation, Technical Service Center, Denver, CO.
  • Parzybok, Tye, W, Beth Clarke, and Doug M. Hultstrand, 2011: Average Recurrence Interval of Rainfall in Real-Time.  Annual National Hydrologic Warning Council (NHWC) Conference, May 2011, San Diego, California.
  • Hultstrand, Douglas, Tye W. Parzybok, Alan Fox, Edward M. Tomlinson and Bill Kappel. Use of High Resolution Gauge Adjusted Precipitation in the Verification of Numerical Quantitative Precipitation Forecasts for West Coast Storm Events.  Annual National Hydrologic Warning Council (NHWC) Conference, May 2011, San Diego, California.
  • Parzybok, Tye, W, Beth Clarke, and Doug M. Hultstrand, 2011: Average Recurrence Interval of Rainfall in Real-Time. In Proc. Of the ASCE World Environmental and Water Resources Congress 2011, Palm Springs, CA, May 2011.
  • Parzybok, Tye W., Doug Beth Clarke, and Doug M. Hultstrand, 2011: Real-Time Average Recurrence Interval Rainfall Maps for the U.S.. In Proc. Of the American Meteorological Society 39th Conference on Broadcast Meteorology/The Conference on Weather Warnings and Communication, Oklahoma City, OK, June 23, 2011.
  • Wright, J., and R.J. Caldwell, 2011: Echo Dam Hydrologic Hazard for Final Design, Bureau of Reclamation, Technical Service Center, Denver, CO.
  • Martin, D., 2011: Precipitation Frequency Estimates for Puerto Rico and the U.S. Virgin Islands. For the Puerto Rican Civil Engineering Institute, College of Engineers and Land Surveyors, for their Continuing Education Department, March 29-31, 2011.
  • Caldwell, R.J., 2010: Large Scale Atmospheric Control on Maximum Precipitation Events in the Carolinas, University of Colorado at Boulder.
  • Parzybok, Tye W., Doug Beth Clarke, and Doug M. Hultstrand, 2010: Average Recurrence Interval of Extreme Rainfall in Real-time. EarthZine original article, posted on April 19th, 2011 in Articles, Disasters, Extreme Weather.
  • Clarke, Beth, T. W. Parzybok, D. M. Hultstrand, B. D. Kappel, and E. Tomlinson, 2010: Improving Hydrologic Analysis and Applications in the U.S. and Canada Using Quality Controlled Radar Data and the Storm Precipitation Analysis System. Poster at 91st American Meteorological Society Annual Meeting, Paper183501, Seattle, WA, January 2010.
  • Parzybok, Tye W, Doug Hultstrand, Edward M. Tomlinson and Bill Kappel, 2010: Improving Hydrologic Analysis and Applications Through The Use of Quality Controlled Radar Data and the Storm Precipitation Analysis System. Midwest Hydro Users Group, Fall Meeting, Wausau, WI, November 4, 2010.
  • Perica, S. Dietz, S. Heim, L. Hiner, K., Maitaria, D. Martin, S. Pavlovic, I. Roy, C., Trypaluk, D. Unruh, F. Yan, M. Yekta, T. Zhao, G. Bonnin, D. Brewer, L. Chen, T. Parzybok, J. Yarchoan, 2010: NOAA Atlas 14 Volume 6, Precipitation-Frequency Atlas of the United States, California. NOAA, National Weather Service, Silver Spring, MD.
  • Parzybok, Tye, Doug Hultstrand, Beth Clarke, Edward M. Tomlinson and Bill Kappel, 2010: The Storm Precipitation Analysis System in Real-Time, Presentation at the National Flood Workshop, Houston, Texas, October 24-26, 2010.
  • Parzybok, Tye W, Doug Hultstrand, Beth Clarke, Edward M. Tomlinson and Bill Kappel, 2010: Improving Hydrologic Analysis and Applications Through The Use of Quality Controlled Radar Data and the Storm Precipitation Analysis System, In Proc., 2010 Canadian Dam Association Annual Conference, Niagara Falls, Ontario, October 3-7, 2010.
  • Parzybok, Tye W, Doug Hultstrand, Bill Kappel and Edward M. Tomlinson, 2010: Average Recurrence Interval of Event Precipitation in Real-Time, In Proc., 2010 ASDSO Annual Dam Safety Conference, Seattle, Washington, Sept. 18-23, 2010.
  • Tomlinson, E. M., Kappel,W.D., T.W. Parzybok, D.M. Hultstrand and Michael Johnson, 2010: Temporal Distribution of PMP Rainfall as a Function of Area Size. In Proc., 2010 ASDSO Annual Dam Safety Conference, Seattle, WA, Sept. 18-23, 2010.
  • Parzybok, T.W., Hultstrand, D.M., B. Clarke, W.D. Kappel and E.M. Tomlinson: 2010. The Use of Gauge Data, Radar Reflectivity and the Storm Precipitation Analysis System for Deriving Accurate Precipitation in Complex Terrain. In Proc. of the ALERT Users Group 23rd Flood Warning Systems Training Conference and Exposition, Palm Springs, CA, May 4-7, 2010.
  • Tomlinson, E. M., W. D. Kappel, and Tye W. Parzybok, December 2009: Extreme Storm Analysis and Hydraulic Model Input Meteorological Parameter Analysis for the Northern Sierra, CA.
  • Perica, S., B. Lin, D. Martin, F. Yan, D. Brewer, C. Trypaluk, M. Yekta, L. Hiner, S. Heim, S. Dietz, T. Parzybok, L.-C. Chen, K. Maitaria, R. Chen, I. Roy, D. Unruh, T. Zhao, J. Yarchoan, G. Bonnin, 2009: NOAA Atlas 14 Volume 5, Precipitation-Frequency Atlas of the United States, Selected Pacific Islands. NOAA, National Weather Service, Silver Spring, MD.
  • Parzybok, Tye W., Douglas M. Hultstrand, Edward M. Tomlinson, Ph.D. and William D Kappel, 2009: Real-time Depth-Area-Duration Analysis for EAPs and Flood Warning Systems. In Proc., 2009 ASDSO Annual Dam Safety Conference, Hollywood, Florida, Sept. 27-Oct 1, 2009.
  • Caldwell, R.J., and J. Palmer, 2009: LOUZIE: An Operational Quality Control Procedure at the Lower Mississippi River Forecast Center, Slidell, LA
  • Hultstrand, D.M., T.W. Parzybok, E.M. Tomlinson and W.D. Kappel: 2008. Advanced Spatial and Temporal Rainfall Analyses for Use in Watershed Models. In U.S. Geological Survey Scientific Investigations Report: Proc. of the 3rd Interagency Conference on Research in the Watersheds, Estes Park, CO, Sep 8-11 2008.
  • Tomlinson, E.M. William D. Kappel, Michael Johnson, Tye W. Parzybok and Douglas M. Hultstrand: 2009. Arizona Statewide Probable Maximum Precipitation (PMP) – Improving HMR-49, In Proc., 2009 ASDSO Annual Dam Safety Conference, Hollywood, Florida, Sept. 27-Oct 1, 2009.
  • Perica, S., D. Martin, B. Lin, T. Parzybok, D. Riley, M. Yekta, L. Hiner, L.-C. Chen, D. Brewer, F. Yan, K. Maitaria, C. Trypaluk, G. Bonnin, 2009: NOAA Atlas 14 Volume 4, Precipitation-Frequency Atlas of the United States, Hawaiian Islands. NOAA, National Weather Service, Silver Spring, MD.
  • E. M., Kappel,W.D., and Tye W. Parzybok, July 2009: Site-Specific Probable Maximum Precipitation (PMP) Study for the Scoggins Dam Drainage Basin, Oregon.
  • Parzybok, Tye W, Doug Hultstrand, Edward M. Tomlinson and Bill Kappel, 2009: How Six Recent Extreme Pacific Northwest Storms Compare to Historical Storms in HMR57. In Proc., 2009 ASDSO West Region Conference, Coeur d’Alane, Idaho, May 4-7, 2009.
  • Tomlinson, E.M., W.B. Kappel, T.W. Parzybok, D.M. Hultstrand, and G. Muhlestein, 2008. Site-Specific Probable Maximum Precipitation (PMP) Study for the Florence Drainage Basin, AZ.
  • Tomlinson, E.M., W.B. Kappel, T.W. Parzybok, D.M. Hultstrand, and G. Muhlestein, 2008. Site-Specific Probable Maximum Precipitation (PMP) Study for the Magma Drainage Basin, AZ.
  • Tomlinson, E.M., W.B. Kappel, T.W. Parzybok, D.M. Hultstrand, and G. Muhlestein, 2008. Site-Specific Probable Maximum Precipitation (PMP) Study for Blenheim-Gilboa Drainage Basin, NY.
  • Tomlinson, E.M., W.B. Kappel, P.J. Diederich, T.W. Parzybok, and D.M. Hultstrand, 2008. Nebraska Statewide Probable Maximum Precipitation (PMP) Study.
  • Hultstrand, D., T. Parzybok, E. Tomlinson and W. Kappel: 2008. Advanced Spatial and Temporal Rainfall Analyses for Use in Watershed Models. In U.S. Geological Survey Scientific Investigations Report: Proc. of the 3rd Interagency Conference on Research in the Watersheds, Estes Park, CO, Sep 8-11 2008.
  • Bonnin Geoffrey M., Deborah Martin, Bingzhang Lin, Tye Parzybok, Michael Yekta David Riley, Daniel Brewer, Lillian Hiner, 2007: Updates to NOAA Precipitation Frequency AtlasesWorld Environmental and Water Resources Congress,  Tampa, Florida, May 15-19, 2007 hosted by the American Society of Civil Engineers.
  • Bonnin, G., D. Martin, B. Lin, T. Parzybok, M. Yekta, and D. Riley, 2006: NOAA Atlas 14 Volume 2, Precipitation-Frequency Atlas of the United States, Delaware, District of Columbia, Illinois, Indiana, Kentucky, Maryland, New Jersey, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Virginia, West Virginia. NOAA, National Weather Service, Silver Spring, MD.
  • Tomlinson, E.M., W.B. Kappel, T.W. Parzybok, D.M. Hultstrand, and G. Muhlestein, 2007. Site-Specific Probable Maximum Precipitation (PMP) Study for the Wanahoo Drainage Basin, Nebraska.
  • Bonnin, G., D. Martin, B. Lin, T. Parzybok, M. Yekta, and D. Riley, 2006b: NOAA Atlas 14 Volume 3, Precipitation-Frequency Atlas of the United States, Puerto Rico and the U.S. Virgin Islands. NOAA, National Weather Service, Silver Spring, MD.
  • Tomlinson, E.M., W.D. Kappel, T.W. Parzybok, B. Rappolt, 2006: Use of NEXRAD Weather Radar Data with the Storm Precipitation Analysis System (SPAS) to Provide High Spatial Resolution Hourly Rainfall Analyses for Runoff Model Calibration and ValidationASDSO Annual Conference Presentation, Boston, MA.
  • B. Lin, G. M. Bonnin, D. L. Martin, T.W. Parzybok, M. Yekta, and D. Riley, 2006: Regional Frequency Studies of Annual Extreme Precipitation in the United States Based on Regional L-Moments Analysis, 2006, World Environmental and Water Resources Congress,  Omaha,  Nebraska, May 21-26, 2006 hosted by the American Society of Civil Engineers.
  • Parzybok, Tye W. and Edward M. Tomlinson, 2006:  A New System for Analyzing Precipitation from Storms, HydroReview, Vol. XXV, No. 3, pp. 58-65.
  • Parzybok, Tye W., 2004: Weather Extremes of the West, Mountain Press, ISBN: 0-87842-473-3, 288 pages.
  • Bonnin, G., D. Martin, B. Lin, T. Parzybok, M. Yekta, and D. Riley, 2004: NOAA Atlas 14 Volume 1, Precipitation-Frequency Atlas of the United States, Semiarid Southwest. NOAA, National Weather Service, Silver Spring, MD.
  • Martin, D., 2004: Implementation of Regional Precipitation Frequency Analysis using L-Moments. For the Nanjing Hydraulic Research Institute in Nanjing, China, December 5-12, 2004.
  • Tomlinson, Edward M., Ph.D., Robert D. Jarrett, Ph.D., Tye W. Parzybok, and Douglas J. Trieste, P.H., 2004: Reanalysis of a Colorado Extreme Rainfall Storm Using GIS, Paleoflood, and Rainfall-Runoff , The Journal of Dam Safety, Winter 2004, 21-28.
  • Tomlinson, Edward M., and T.W. Parzybok, 2004: Storm Precipitation Analysis System (SPAS), ASDSO Annual Conference, Phoenix, Arizona, September 26-30, 2004
  • Parzybok, Tye W. and Geoffrey M. Bonnin, 2004. Recent Updates To NOAA/NWS Precipitation Frequency Estimates.  Annual Colorado Association of Stormwater and Floodplain Managers (CASFM) Conference, Glenwood Springs, CO, September 21-23, 2004.
  • Lin, B., G. Bonnin, D. Martin, T. Parzybok, M. Yekta, and D. Riley, 2004: Regional frequency studies of annual extreme precipitation in the United States using regional L-moments analysis. International Ocean-Atmosphere Conference, Chinese-American Oceanic and Atmospheric Association (COAA), Beijing, China, June 27-30, 2004.
  • Tomlinson, Ed, T.W. Parzybok, Ross A. Williams, and Doug Trieste; Review of the Gladstone, Colorado Rainfall Observation, October 5, 1911, Prepared for the Colorado State Engineer Office, March, 2004.
  • Tomlinson, Edward M., Ross A. Williams, and T.W. Parzybok, 2003: Site-Specific Probable Maximum Precipitation (PMP) Study for the Great Sacandaga Lake / Stewarts Bridge Drainage Basin, Prepared for Reliant Energy Corporation, Liverpool, New York, September, 2003
  • Martin, D. and G. Bonnin, 2002: An Update of Semiarid Precipitation Frequency Estimates. Arizona Floodplain Management Association Conference in Phoenix, AZ, November 2002.
  • Todd (Martin), D., G. M. Bonnin, B. Lin, T.W. Parzybok, M. Yekta, D. Riley, and E. Raynault, 2002: Updated precipitation frequencies for the Semiarid Southwest United States. Symposium on Observing and Understanding the Variability of Water in Weather and Climate, 83rd AMS Annual Meeting, Long Beach, California.
  • Raynault, E., G. M. Bonnin, B. Lin, T.W. Parzybok, M. Yekta, D. Riley, and D. Todd (Martin), 2002: Updated Precipitation Frequencies for the Ohio River basin and surrounding states. Symposium on Observing and Understanding the Variability of Water in Weather and Climate, 83rd American Meteorological Society Annual Meeting, Long Beach, California.
  • Bonnin, Geoffrey M., Bingzhang Lin, and T.W. Parzybok, 2002: Updated NOAA/NWS Rainfall Frequency Atlases, Symposium on Observing and Understanding the Variability of Water in Weather and Climate, 83rd American Meteorological Society Annual Meeting, Long Beach, California.
  • Parzybok, Tye W. and M. Yekta, 2002: NOAA/NWS Precipitation Frequency Data Server. Session on Internet Applications And Web Portals Part III, 19th International Conference on Interactive Information Processing Systems (IIPS) for Meteorology, Oceanography, and Hydrology, American Meteorological Society, Long Beach, California.
  • Daly, Christopher, George H. Taylor, Wayne Gibson, and T.W. Parzybok . 1998, Development of High-Quality Spatial Climate Datasets for the United States. In Proc., First International Conference on Geospatial Information in Agriculture and Forestry , Lake Buena Vista, FL, June 1-3, 1998.
  • Boyal, James R., James E. Warila, Robert L. Beschta and  T.W. Parzybok . 1997, Cumulative Effects of Forestry Practices: An Example Framework for Evaluation from Oregon, U.S.A.. Biomass and Bioenergy , 13, 223-245.
  • Daly, C., T.G.F. Kittel, A., McNab, J.A. Royle, W.P. Gibson, T. Parzybok, N. Rosenbloom, G.H. Taylor, H. Fisher. 1999. Development of a 102-year high-resolution spatial climate data set for the conterminous United States. 10th Symposium on Global Change Studies, American Meteorological Society, January 1999, Dallas, TX, 480-483.
  • Parzybok, Tye W., Wayne Gibson, Christopher Daly and George H. Taylor. 1997, Quality Assurance of Climatological Data for the VEMAP Project. In Proc., 10th AMS Conference on Applied Climatology , pp. 215-216, American Meteorological Society, Reno, NV, Oct. 20-23, 1997.Perica, S., D. Martin, S. Pavlovic, I. Roy, C. Trypaluk, M. St. Laurent, D. Unruh, M. Yekta, G. Bonnin, 2013: NOAA Atlas 14 Volume 9, Precipitation-Frequency Atlas of the United States, Southeastern States and Volume 8, Precipitation-Frequency Atlas of the United States, Midwestern States, NOAA, National Weather Service, Silver Spring, MD.