Steven Martinaitis


Stormscale Hydrometeorology Group (SHMG)

Job Title:Research Associate


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Steven is a Research Associate at the CIWRO/NSSL and works under the Stormscale Hydrometeorology Group. He is also the CIWRO team lead for the Integrated Sensing Group and the CIWRO co-division lead for the NSSL Warning Research & Development Division.

His work focuses on the improvement of precipitation estimation within the Multi-Radar Multi-Sensor (MRMS) system, the analysis and quality control of rain gauge observations, and the development of new studies to improve surface rainfall observations and liquid-equivalent studies. Steven also performs research related to the prediction and warning of flash flood events through the application of the Flooded Locations and Simulated Hydrographs (FLASH) product suite.

Degree (Ph.D, M.S, B.A, etc.) Major Subject University or College Name Year (YYYY) (optional)
M.S. Meteorology Florida State University 2008
B.S. Meteorology Florida State University 2006
Research Interests
  • Quantitative Precipitation Estimation
  • Gauge Observations & Quality Control
  • Precipitation Observations and Liquid Equivalent Values
  • Flash Flood Prediction
  • Flash Flood Surveys
  • NWS Applications & Research-to-Operations
Professional Activities
  • AMS and NWA Member
  • President of North Texas Chapter of AMS/NWA
Selected Publications

Cocks, S. B., S. M. Martinaitis, B. Kaney, J. Zhang, K. Howard, 2016: MRMS QPE Performance during the 2013/14 Cool Season. Journal of Hydrometeorology, 17, 791–810, doi:10.1175/JHM-D-15-0095.1.

Cocks, S. B., J. Zhang, S. M. Martinaitis, Y. Qi, B. Kaney, K. Howard, 2017: MRMS QPE Performance East of the Rockies during the 2014 Warm Season. Journal of Hydrometeorology18, 761–775, doi:10.1175/JHM-D-16-0179.1.

Gerard, A., S. M. Martinaitis, J. J. Gourley, K. W. Howard, J. Zhang, 2021: An Overview of the Performance and Operational Applications of the MRMS and FLASH Systems in Recent Significant Urban Flash Flood Events. Bulletin of the American Meteorological Society102, E2165–E2176, doi:10.1175/BAMS-D-19-0273.1.

Gourley, J. J., Z. Flamig, H. Vergara, P. Kirstetter, R. Clark, E. Argyle, A. Arthur, S. Martinaitis, G. Terti, J. Erlingis, Y. Hong, K. Howard, 2017: The Flooded Locations And Simulated Hydrographs (FLASH) project: Improving the tools for flash flood monitoring and prediction across the United States. Bulletin of the American Meteorological Society98, 361–372, doi:10.1175/BAMS-D-15-00247.1.

Martinaitis, S. M., S. B. Cocks, Y. Qi, B. T. Kaney, J. Zhang, K. Howard, 2015: Understanding winter precipitation impacts on automated gauge observations within a real-time system. Journal of Hydrometeorology16, 2345–2363, doi:10.1175/JHM-D-15-0020.1.

Martinaitis, S. M., 2017: Radar observations of tornado-warned convection associated with tropical cyclones over Florida. Weather and Forecasting32, 165–186, doi:10.1175/WAF-D-16-0105.1.

Martinaitis, S. M., J. J. Gourley, Z. L. Flamig, E. M. Argyle, R. A. Clark, A. Arthur, B. R. Smith, J. M. Erlingis, S. Perfater, B. Albright, 2017: The HMT Multi-Radar Multi-Sensor Hydro Experiment. Bulletin of the American Meteorological Society98, 347–359, doi:10.1175/BAMS-D-15-00283.1.

Martinaitis, S. M., H. M. Grams, C. Langston, J. Zhang, K. Howard, 2018: A real-time evaporation correction scheme for radar-derived mosaicked precipitation estimations. Journal of Hydrometeorology19, 87–111, doi:10.1175/JHM-D-17-0093.1.

Martinaitis, S. M., A. P. Osborne, M. J. Simpson, J. Zhang, K. W. Howard, S. B. Cocks, A. Arthur, C. Langston, B. T. Kaney, 2020: A Physically Based Multisensor Quantitative Precipitation Estimation Approach for Gap-Filling Radar Coverage. Journal of Hydrometeorology21, 1485–1511, doi:10.1175/JHM-D-19-0264.1.

Martinaitis, S. M., B. Albright, J. J. Gourley, S. Perfater, T. Meyer, Z. L. Flamig, R. A. Clark, H. Vergara, M. Klein, 2020: The 23 June 2016 West Virginia Flash Flood Event as Observed through Two Hydrometeorology Testbed Experiments. Weather and Forecasting35, 2099–2126, doi:10.1175/WAF-D-20-0016.1.

Martinaitis, S. M., S. B. Cocks, A. P. Osborne, M. J. Simpson, L. Tang, J. Zhang, K. W. Howard, 2021: The Historic Rainfalls of Hurricanes Harvey and Florence: A Perspective from the Multi-Radar Multi-Sensor System. Journal of Hydrometeorology22, 721–738, doi:10.1175/JHM-D-20-0199.1.

Martinaitis, S. M., S. B. Cocks, M. J. Simpson, A. P. Osborne, S. S. Harkema, H. M. Grams, J. Zhang, K. W. Howard, 2021: Advancements and Characteristics of Gauge Ingest and Quality Control within the Multi-Radar Multi-Sensor System. Journal of Hydrometeorology22, 2455–2474, doi:10.1175/JHM-D-20-0234.1.

Martinaitis, S. M., K. A. Wilson, N. Yussouf, J. J. Gourley, H. Vergara, T. C. Meyer, P. L. Heinselman, A. Gerard, K. L. Berry, A. Vergara, J. Monroe, 2023: A Path Toward Short-Term Probabilistic Flash Flood Prediction. Bulletin of the American Meteorological Society104, E585–E605, doi:10.1175/BAMS-D-22-0026.1.

Martinaitis, S. M., S. Lincoln, D. Schlotzhauer, S. B. Cocks, J. Zhang, 2023: A Temporal Gauge Quality Control Algorithm as a Method for Identifying Potential Instrumentation Malfunctions. Journal of Atmospheric and Oceanic Technology40, 265–283, doi:10.1175/JTECH-D-22-0038.1.

Qi, Y., S. Martinaitis, J. Zhang, S. Cocks, 2016: A Real-Time Automated Quality Control of Hourly Rain Gauge Data Based on Multiple Sensors in MRMS System. Journal of Hydrometeorology17, 1675–1691, doi:10.1175/JHM-D-15-0188.1.

Yussouf, N., K. A. Wilson, S. M. Martinaitis, H. Vergara, P. L. Heinselman, J. J. Gourley, 2020: The Coupling of NSSL Warn-on-Forecast and FLASH Systems for Probabilistic Flash Flood Prediction. Journal of Hydrometeorology21, 123–141, doi:10.1175/JHM-D-19-0131.1.

Zhang, J., K. Howard, C. Langston, B. Kaney, Y. Qi, L. Tang, H. Grams, Y. Wang, S. Cocks, S. Martinaitis, A. Arthur, K. Cooper, J. Brogden, D. Kitzmiller, 2016: Multi-Radar Multi-Sensor (MRMS) Quantitative Precipitation Estimation: Initial Operating Capabilities. Bulletin of the American Meteorological Society97, 621–638, doi:10.1175/BAMS-D-14-00174.1.