All Stories

  1. Microphysical Properties within Regions of Enhanced Dual-Frequency Ratio during IMPACTS

    Article • Journal of the Atmospheric Sciences, January 2026, American Meteorological Society

    Dr. Charles N Helms

  2. A Nonuniform Beam Filling (NUBF) Doppler Velocity Bias Estimate for Airborne Radars with Arbitrary Pointing Angles

    Article • IEEE Geoscience and Remote Sensing Letters, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Charles N Helms

  3. Winter precipitation measurements in New England: results from the Global Precipitation Measurement Ground Validation campaign in Connecticut

    Article • Earth System Science Data, November 2025, Copernicus GmbH

    Dr. Charles N Helms

  4. Synthesis of surface snowfall rates and radar-observed storm structures in 10+ years of northeastern US winter storms

    Article • Atmospheric Chemistry and Physics", September 2025, Copernicus GmbH

    Dr. Charles N Helms

  5. Winter Precipitation Measurements in New England: Results from the Global Precipitation Measurement Ground Validation Campaign in Connecticut

    Article • June 2025, Copernicus GmbH

    Dr. Charles N Helms

  6. Supplementary material to "Synthesis of surface snowfall rates and radar-observed storm structures in 10+ years of Northeast US winter storms"

    Article • January 2025, Copernicus GmbH

    Dr. Charles N Helms

  7. Synthesis of surface snowfall rates and radar-observed storm structures in 10+ years of Northeast US winter storms

    Article • January 2025, Copernicus GmbH

    Dr. Charles N Helms

  8. Evaluation of SWER(Ze) Relationships by Precipitation Imaging Package (PIP) during ICE-POP 2018

    Article • Journal of Hydrometeorology, April 2023, American Meteorological Society

    Dr. Charles N Helms

  9. A comparative evaluation of snowflake particle shape estimation techniques used by the Precipitation Imaging Package (PIP), Multi-Angle Snowflake Camera (MASC), and Two-Dimensional Video Disdrometer (2DVD)

    Article • Atmospheric Measurement Techniques, November 2022, Copernicus GmbH

    Dr. Charles N Helms

  10. Snow microphysical retrieval from the NASA D3R radar during ICE-POP 2018

    Article • Atmospheric Measurement Techniques, March 2022, Copernicus GmbH

    Dr. Charles N Helms

  11. A Comparative Evaluation of Snowflake Particle Size and Shape Estimation Techniques used by the Precipitation Imaging Package (PIP), Multi-Angle Snowflake Camera (MASC), and Two-Dimensional Video Disdrometer (2DVD)

    Article • January 2022, Copernicus GmbH

    Dr. Charles N Helms

  12. Snow Microphysical Retrieval from the NASA D3R Radar During ICE-POP 2018

    Article • September 2021, Copernicus GmbH

    Dr. Charles N Helms

  13. The Impact of a Midlevel Dry Air Flow Layer on Deep Convection in the pre-Gabrielle (2013) Tropical Disturbance on 4–5 September

    Article • Monthly Weather Review, June 2021, American Meteorological Society

    Dr. Charles N Helms

  14. Reducing Errors in Velocity–Azimuth Display (VAD) Wind and Deformation Retrievals from Airborne Doppler Radars in Convective Environments

    Article • Journal of Atmospheric and Oceanic Technology, December 2020, American Meteorological Society

    Dr. Charles N Helms

  15. The Evolution of Dropsonde-Derived Kinematic and Thermodynamic Structures in Developing and Nondeveloping Atlantic Tropical Convective Systems

    Article • Monthly Weather Review, August 2015, American Meteorological Society

    Dr. Charles N Helms

  16. A Polygon-Based Line-Integral Method for Calculating Vorticity, Divergence, and Deformation from Nonuniform Observations

    Article • Journal of Applied Meteorology and Climatology, June 2013, American Meteorological Society

    Dr. Charles N Helms

  17. Tropical Cloud Cluster Climatology, Variability, and Genesis Productivity

    Article • Journal of Climate, May 2013, American Meteorological Society

    Dr. Charles N Helms

  18. An Objective Algorithm for Detecting and Tracking Tropical Cloud Clusters: Implications for Tropical Cyclogenesis Prediction

    Article • Journal of Atmospheric and Oceanic Technology, August 2011, American Meteorological Society

    Kenneth Knapp, Dr. Charles N Helms

  19. Globally Gridded Satellite Observations for Climate Studies

    Article • Bulletin of the American Meteorological Society, July 2011, American Meteorological Society

    Kenneth Knapp, Dr. Charles N Helms