Zac Flamig

Zac Flamig

National Weather Center (NWC)
120 David L. Boren Blvd, Rm. 4700
Norman OK 73072




  • Ph.D. Meteorology 2016, University of Oklahoma
  • M.S. Meteorology 2012, University of Oklahoma
  • B.S. Meteorology 2010, University of Oklahoma

Research Interests

  • Flash Flooding
  • Distributed Hydrologic Modeling
  • Radar Meteorology & Radar QPEs



  • 2013-2014 – Chateaubriand Fellowship, Awarded by the French Embassay in USA to conduct a 4 month internship in France. 40 total awards nationwide in 2013 cycle.
  • 2012 – Tommy C. Craighead Award for Best Paper in Radar Meteorology
  • 2010-2013 – NASA Earth & Space Sciences Fellowship
  • 2009-2010 – Astronaut Scholarship Foundation Fellowship, Competitively awarded for having shown initiative, creativity, and excellence. 18 total awards nationwide in 2009-2010 cycle.

Refereed Publications

18FloodGourley, J., Z. Flamig, H. Vergara, P. Kirstetter, R. Clark, E. Argyle, A. Arthur, S. Martinaitis, G. Terti, J. Erlingis, Y. Hong, and K. Howard, 2016: The Flooded Locations And Simulated Hydrographs (FLASH) project: improving the tools for flash flood monitoring and prediction across the United States. . Bull. Amer. Meteor. Soc.,, 10.1175/BAMS-D-15-00247.1. .2016
17Hydrological ModelingClark, R., Z. Flamig, H. Vergara, Y. Hong, J. Gourley, D. Mandl, S. Frye, M. Handy, and M. Patterson, 2016: Hydrological Modeling and Capacity Building in the Republic of Namibia. Bulletin of the American Meteorological Society. doi: 10.1175/BAMS-D-15-00130.1.2016
16Satellite PrecipitationSheng Chen, Jonathan J. Gourley, Yang Hong, Qing Cao, Nicholas Carr, Pierre-Emmanuel Kirstetter, Jian Zhang, and Zac Flamig, 2015: Using citizen science reports to evaluate estimates of surface precipitation type. Bulletin of the American Meteorological Society. doi: 10.1175/BAMS-D-13-00247.1.2015
15Flood, Web GISZhanming Wan, Yang Hong, Sadiq Khan, Jonathan Gourley, Zachary Flamig, Dalia Kirschbaum, Guoqiang Tang , 2014: A Cloud-based Global Flood Disaster Community Cyber-infrastructure: Development and Demonstration. Environmental Modeling & Software, 58, 86-94. doi: 10.1016/j.envsoft.2014.04.007. PDF.2014
14Flash Flood GuidanceClark III, R., J. Gourley, Z. Flamig, Y. Hong, and E. Clark, 2014: CONUS-wide Evaluation of National Weather Service Flash Flood Guidance Products. Weather and Forecasting, 29, 377-392. doi: 10.1175/WAF-D-12-00124.1. PDF.2014
13Natural Hazards, FloodGourley, J. J., Y. Hong, Z. L. Flamig, A. Arthur, R. A. Clark, M. Calianno, I. Ruin, T. Ortel, M. E. Wieczorek, E. Clark, P.-E. Kirstetter, and W. F. Krajewski, 2013: A Unified Flash Flood Database over the US. Bulletin of the American Meteorological Society, 94 (6), 799–805. doi: 10.1175/BAMS-D-12-00198.1. PDF.2013
12HydrologyDresback, K. M., J. G. Fleming, B. O. Blanton, C. Kaiser, J. J. Gourley, E. M. Tromble, R. A. Luettich Jr., R. L. Kolar, Y. Hong, S. Van Cooten, H. J. Vergara, Z. L. Flamig, H. M. Lander, K. E. Kelleher, K. L. Nemunaitis-Monroe, 2013: Skill assessment of a real-time forecast system utilizing a coupled hydrologic and coastal hydrodynamic model during Hurricane Irene (2011). Continental Shelf Research, 71, 78-94. doi: 10.1016/j.csr.2013.10.007. PDF.2013
11Remote Sensing, RadarChen, S., J. J. Gourley, Y. Hong, P. E. Kirstetter, J. Zhang, K. W. Howard, Z. L. Flamig, J. Hu, and Y. Qi, 2013: Evaluation and uncertainty estimation of NOAA/NSSL next generation national mosaic QPE (Q2) over the Continental United States. Journal of Hydrometeorology, 14 (4), 1308–1322. doi: 10.1175/JHM-D-12-0150.1. PDF.2013
10Natural Hazards, FloodGourley, J. J., Z. L. Flamig, Y. Hong, and K. W. Howard, 2012: On the accuracy of the past, present, and future tools for flash flood prediction in the USA. IAHS Publication, 351, 435-440.2012
9HydrologyFlamig, Z. L., E. N. Anagnostou, J. J. Gourley, and Y. Hong, 2012: Uncertainty estimation of deterministic river basin response simulations at gauged locations. IAHS Publication, 351, 556-561. Tommy C. Craighead Award for Best Paper in Radar Meteorology at OU.2012
8Remote Sensing, HydrologyKhan, S. I., Y. Hong, H. J. Vergara, J. J. Gourley, G. R. Brakenridge, T. De Groeve, Z. L. Flamig, F. S. Policelli, and B. Yong , 2012: Microwave Satellite Data for Hydrologic Modeling in Ungauged Basins. Geoscience and Remote Sensing Letters, IEEE, 9 (4), 663-667. doi: 10.1109/lgrs.2011.2177807. PDF.2012
7Remote Sensing, PrecipitationKirstetter, P.-E., Y. Hong, J. J. Gourley, S. Chen, Z. L. Flamig, J. Zhang, M. Schwaller, W. Petersen, and E. Amitai, 2012: Toward a Framework for Systematic Error Modeling of Spaceborne Precipitation Radar with NOAA/NSSL Ground Radar-based National Mosaic QPE. Journal of Hydrometeorology, 13 (4), 1285-1300. doi: 10.1175/JHM-D-11-0139.1. PDF.2012
6Remote Sensing, Radar, QPEWen, Y., Y. Hong, G. Zhang, T. J. Schuur, J. J. Gourley, Z. Flamig, K. R. Morris and Q. Cao, 2011: Cross Validation of Spaceborne Radar and Ground Polarimetric Radar Aided by Polarimetric Echo Classification of Hydrometeor Types. Journal of Applied Meteorology and Climatology, 50 (7), 1389-1402. doi: 10.1175/2011jamc2622.1. PDF.2011
5Storm surgeVan Cooten, S., K. E. Kelleher, K. Howard, J. Zhang, J. J. Gourley, J. S. Kain, K. Nemunaitis-Monroe, Z. Flamig, H. Moser, A. Arthur, C. Langston, R. Kolar, Y. Hong, K. Dresback, E. Tromble, H. Vergara, R. A. Luettich, B. Blanton, H. Lander, K. Galluppi, J. P. Losego, C. A. Blain, J. Thigpen, K. Mosher, D. Figurskey, M. Moneypenny, J. Blaes, J. Orrock, R. Bandy, C. Goodall, J. G. W. Kelley, J. Greenlaw, M. Wengren, D. Eslinger, J. Payne, G. Olmi, J. Feldt, J. Schmidt, T. Hamill, R. Bacon, R. Stickney and L. Spence, 2011: The CI-FLOW Project: A System for Total Water Level Prediction from the Summit to the Sea. Bulletin of the American Meteorological Society, 92 (11), 1427-1442. doi: 10.1175/2011bams3150.1. PDF.2011
4Remote Sensing, HydrologyGourley, J. J., Y. Hong, Z. L. Flamig, J. Wang, H. Vergara and E. N. Anagnostou, 2011: Hydrologic Evaluation of Rainfall Estimates from Radar, Satellite, Gauge, and Combinations on Ft. Cobb Basin, Oklahoma. Journal of Hydrometeorology, 12 (5), 973-988. doi: 10.1175/2011jhm1287.1. PDF.2011
3Remote Sensing, Radar, QPEGourley, J. J., S. E. Giangrande, Y. Hong, Z. L. Flamig, T. Schuur and J. A. Vrugt, 2010: Impacts of Polarimetric Radar Observations on Hydrologic Simulation. Journal of Hydrometeorology, 11 (3), 781-796. doi: 10.1175/2010jhm1218.1. PDF.2010
2PrecipitationGourley, J. J., Y. Hong, Z. L. Flamig, L. Li and J. Wang, 2010: Intercomparison of Rainfall Estimates from Radar, Satellite, Gauge, and Combinations for a Season of Record Rainfall. Journal of Applied Meteorology and Climatology, 49 (3), 437-452. doi: 10.1175/2009jamc2302.1. PDF.2010
1HydrometeorologyGourley, J.J., D.P. Jorgensen, S.Y. Matrosov, and Z.L. Flamig, 2009: Evaluation of incremental improvements to quantitative precipitation estimates in complex terrain. Journal of Hydrometeorology, 10, 1507-1520. doi: 10.1175/2009JHM1125.1. PDF.2009