All Stories

  1. A Benchmark Dataset for Tornado Detection and Prediction using Full-Resolution Polarimetric Weather Radar Data

    Article • Artificial Intelligence for the Earth Systems, February 2025, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  2. Radar Outage Costs and the Value of Alternate Datasets

    Article • Weather and Forecasting, June 2024, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  3. Impact of WSR-88D MESO-SAILS Usage on MRMS-Based Quantitative Precipitation Estimation

    Article • May 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho, Dr James M Kurdzo

  4. An integrated future US weather radar architecture for aviation

    Article • December 2023, the Institution of Engineering and Technology (the IET)

    Dr John Y. N. Cho, Dr James M Kurdzo

  5. Spectral interference in weather radars from wireless communication systems

    Article • December 2023, the Institution of Engineering and Technology (the IET)

    Dr John Y. N. Cho

  6. A Deep Learning-based Velocity Dealiasing Algorithm Derived from the WSR-88D Open Radar Product Generator

    Article • Artificial Intelligence for the Earth Systems, March 2023, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  7. Extended Polarimetric Observations of Chaff Using the WSR-88D Weather Radar Network

    Article • IEEE Transactions on Radar Systems, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho, Dr James M Kurdzo

  8. Science Applications of Phased Array Radars

    Article • Bulletin of the American Meteorological Society, October 2022, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  9. Impact of WSR-88D Intra-Volume Low-Level Scans on Severe Weather Warning Performance

    Article • Weather and Forecasting, July 2022, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  10. The Need for Spectrum and the Impact on Weather Observations

    Article • Bulletin of the American Meteorological Society, July 2021, American Meteorological Society

    Dr John Y. N. Cho

  11. Towards the Next Generation Operational Meteorological Radar

    Article • Bulletin of the American Meteorological Society, July 2021, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  12. Geospatial QPE Accuracy Dependence on Weather Radar Network Configurations

    Article • Journal of Applied Meteorology and Climatology, October 2020, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  13. Weather Radar Network Benefit Model for Nontornadic Thunderstorm Wind Casualty Cost Reduction

    Article • Weather Climate and Society, September 2020, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  14. Weather Radar Network Benefit Model for Flash Flood Casualty Reduction

    Article • Journal of Applied Meteorology and Climatology, April 2020, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  15. A Neural Network Approach for Waveform Generation and Selection with Multi-Mission Radar

    Article • April 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr James M Kurdzo, Dr John Y. N. Cho

  16. Estimating the Value of Weather Radars in Reducing Tornado Costs

    Article • Journal of Applied Meteorology and Climatology, March 2019, American Meteorological Society

    Dr John Y. N. Cho, Dr James M Kurdzo

  17. Quantification of radar QPE performance based on SENSR network design possibilities

    Article • April 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho, Dr James M Kurdzo

  18. Command and Control for Multifunction Phased Array Radar

    Article • IEEE Transactions on Geoscience and Remote Sensing, October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho

  19. A New Radio Frequency Interference Filter for Weather Radars

    Article • Journal of Atmospheric and Oceanic Technology, July 2017, American Meteorological Society

    Dr John Y. N. Cho

  20. The Threat to Weather Radars by Wireless Technology

    Article • Bulletin of the American Meteorological Society, July 2016, American Meteorological Society

    Dr John Y. N. Cho

  21. Enhanced Signal Processing Algorithms for the ASR-9 Weather Systems Processor

    Article • Journal of Atmospheric and Oceanic Technology, October 2015, American Meteorological Society

    Dr John Y. N. Cho

  22. Comment on "Reinterpreting aircraft measurement in anisotropic scaling turbulence" by Lovejoy et al. (2009)

    Article • Atmospheric Chemistry and Physics", February 2010, Copernicus GmbH

    Dr John Y. N. Cho

  23. Terminal Doppler Weather Radar enhancements

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho

  24. The Next-Generation Multimission U.S. Surveillance Radar Network

    Article • Bulletin of the American Meteorological Society, November 2007, American Meteorological Society

    Dr John Y. N. Cho

  25. Multi-PRI Signal Processing for the Terminal Doppler Weather Radar. Part II: Range–Velocity Ambiguity Mitigation

    Article • Journal of Atmospheric and Oceanic Technology, October 2005, American Meteorological Society

    Dr John Y. N. Cho

  26. Multi-PRI Signal Processing for the Terminal Doppler Weather Radar. Part I: Clutter Filtering

    Article • Journal of Atmospheric and Oceanic Technology, May 2005, American Meteorological Society

    Dr John Y. N. Cho

  27. Characterizations of tropospheric turbulence and stability layers from aircraft observations

    Article • Journal of Geophysical Research Atmospheres, January 2003, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  28. Tropospheric ozone layers observed during PEM-Tropics B

    Article • Journal of Geophysical Research Atmospheres, December 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  29. Aircraft observations of boundary layer turbulence: Intermittency and the cascade of energy and passive scalar variance

    Article • Journal of Geophysical Research Atmospheres, December 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  30. Observation of pollution plume capping by a tropopause fold

    Article • Geophysical Research Letters, September 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  31. Horizontal velocity structure functions in the upper troposphere and lower stratosphere: 1. Observations

    Article • Journal of Geophysical Research Atmospheres, May 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  32. Horizontal velocity structure functions in the upper troposphere and lower stratosphere: 2. Theoretical considerations

    Article • Journal of Geophysical Research Atmospheres, May 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  33. Isentropic scaling analysis of ozone in the upper troposphere and lower stratosphere

    Article • Journal of Geophysical Research Atmospheres, May 2001, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  34. DETERMINING THE CASCADE OF KINETIC ENERGY AND SCALAR VARIANCE IN THE LOWER STRATOSPHERE

    Article • January 2001, Begell House

    Dr John Y. N. Cho

  35. Determining the Cascade of Passive Scalar Variance in the Lower Stratosphere

    Article • Physical Review Letters, December 2000, American Physical Society (APS)

    Dr John Y. N. Cho

  36. Progressive posthämorrhagische Ventrikelerweiterung des Frühgeborenen

    Article • Monatsschrift Kinderheilkunde, December 2000, Springer Science + Business Media

    Dr John Y. N. Cho

  37. General characteristics of tropospheric trace constituent layers observed in the MOZAIC program

    Article • Journal of Geophysical Research Atmospheres, July 2000, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  38. Anomalous scaling of mesoscale tropospheric humidity fluctuations

    Article • Geophysical Research Letters, February 2000, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  39. Observations of convective and dynamical instabilities in tropopause folds and their contribution to stratosphere-troposphere exchange

    Article • Journal of Geophysical Research Atmospheres, September 1999, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  40. Horizontal wavenumber spectra of winds, temperature, and trace gases during the Pacific Exploratory Missions: 2. Gravity waves, quasi-two-dimensional turbulence, and vortical modes

    Article • Journal of Geophysical Research Atmospheres, July 1999, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  41. Horizontal wavenumber spectra of winds, temperature, and trace gases during the Pacific Exploratory Missions: 1. Climatology

    Article • Journal of Geophysical Research Atmospheres, March 1999, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  42. Measurements of atmospheric layers from the NASA DC-8 and P-3B aircraft during PEM-Tropics A

    Article • Journal of Geophysical Research Atmospheres, March 1999, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  43. Ubiquity of quasi-horizontal layers in the troposphere

    Article • Nature, March 1999, Springer Science + Business Media

    Dr John Y. N. Cho

  44. Trace gas study accumulates forty million frequent-flyer miles for science

    Article • Eos, January 1999, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  45. Simultaneous meteor echo observations by large-aperture VHF and UHF radars

    Article • Radio Science, November 1998, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  46. Correction to “A new spatial interferometry capability using the Arecibo 430-MHz radar” by Robert D. Palmer et al.

    Article • Radio Science, July 1998, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  47. Stratosphere-troposphere ozone exchange observed with the Indian MST radar and a simultaneous balloon-borne ozonesonde

    Article • Radio Science, July 1998, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  48. Detection of a meteor contrail and meteoric dust in the Earth's upper mesosphere

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, February 1998, Elsevier

    Dr John Y. N. Cho

  49. Meteoric dust effects on D-region incoherent scatter radar spectra

    Article • Journal of Atmospheric and Solar-Terrestrial Physics, February 1998, Elsevier

    Dr John Y. N. Cho

  50. A new spatial interferometry capability using the Arecibo 430-MHz radar

    Article • Radio Science, March 1997, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  51. An updated review of polar mesosphere summer echoes: Observation, theory, and their relationship to noctilucent clouds and subvisible aerosols

    Article • Journal of Geophysical Research Atmospheres, January 1997, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  52. High-resolution stratospheric dynamics measurements with the NASA/JPL Goldstone Solar System Radar

    Article • Geophysical Research Letters, July 1996, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  53. Further effects of charged aerosols on summer mesospheric radar scatter

    Article • Journal of Atmospheric and Terrestrial Physics, April 1996, Elsevier

    Dr John Y. N. Cho

  54. Observations of polar mesosphere summer echoes at EISCAT during summer 1991

    Article • Radio Science, July 1995, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  55. PMSE dependence on long-period vertical motions

    Article • Geophysical Research Letters, May 1995, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  56. A comparison of PMSE and other ground-based observations during the NLC-91 campaign

    Article • Journal of Atmospheric and Terrestrial Physics, January 1995, Elsevier

    Dr John Y. N. Cho

  57. Inertio-gravity wave parameter estimation from cross-spectral analysis

    Article • Journal of Geophysical Research Atmospheres, January 1995, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  58. Studies of polar mesosphere summer echoes by VHF radar and rocket probes

    Article • Advances in Space Research, September 1994, Elsevier

    Dr John Y. N. Cho

  59. First height comparison of noctilucent clouds and simultaneous PMSE

    Article • Geophysical Research Letters, December 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  60. CUPRI system configuration for NLC-91 and observations of PMSE during Salvo A

    Article • Geophysical Research Letters, October 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  61. Cupri observations of PMSE during Salvo B of NLC-91: Evidence of both partial reflection and turbulent scatter

    Article • Geophysical Research Letters, October 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  62. Cupri observations of PMSE during Salvo C of NLC-91: Evidence of a depressed mesopause temperature

    Article • Geophysical Research Letters, October 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  63. Electric field measurements in the vicinity of noctilucent clouds and PMSE

    Article • Geophysical Research Letters, October 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  64. First in-situ observations of neutral and plasma density fluctuations within a PMSE layer

    Article • Geophysical Research Letters, October 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  65. Polar mesosphere summer radar echoes: Observations and current theories

    Article • Reviews of Geophysics, January 1993, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  66. Enhancement of Thomson scatter by charged aerosols in the polar mesosphere: Measurements with a 1.29-GHz radar

    Article • Geophysical Research Letters, June 1992, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  67. A re-evaluation of the Stokes drift in the polar summer mesosphere

    Article • Journal of Geophysical Research Atmospheres, January 1992, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  68. On the role of charged aerosols in polar mesosphere summer echoes

    Article • Journal of Geophysical Research Atmospheres, January 1992, American Geophysical Union (AGU)

    Dr John Y. N. Cho

  69. Consistency of rocket and radar electron density observations : implication about the anisotropy of mesospheric turbulence

    Article • Journal of Atmospheric and Terrestrial Physics, October 1990, Elsevier

    Dr John Y. N. Cho

  70. Upgraded Doppler Rayleigh lidar and comparisons with stratospheric radar. 1. Observations following initial system modifications

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr John Y. N. Cho