Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 22
Articles | Volume 18, issue 22
https://doi.org/10.5194/amt-18-6569-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-6569-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 22
Research article
 | 
17 Nov 2025
Research article |  | 17 Nov 2025

Detection of Multi-Modal Doppler Spectra – Part 2: Evaluation of the Detection Algorithm and Exploring Characteristics of Multi-modal Spectra Using a Long-term Dataset

Sarah Wugofski and Matthew R. Kumjian

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Detection of multi-modal Doppler spectra – Part 1: Establishing characteristic signals in radar moment data
Sarah Wugofski, Matthew R. Kumjian, Mariko Oue, and Pavlos Kollias
Atmos. Meas. Tech., 18, 6233–6249, https://doi.org/10.5194/amt-18-6233-2025,https://doi.org/10.5194/amt-18-6233-2025, 2025
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Cited articles

Bharadwaj, N., Lindenmaier, I., Johnson, K., Nelson, D., Isom, B., Hardin, J., Matthews, A., Wendler, T., Melo de Castro, V., Deng, M., Rocque, M., and Feng, Y.-C.: Ka ARM Zenith Radar (KAZRCFRSPCGEXPOL), 2019-06-10 to 2025-01-27, North Slope Alaska (NSA), Central Facility, Barrow AK (C1), Atmospheric Radiation Measurement (ARM) user facility [data set], https://doi.org/10.5439/1608590, 2025a. a
Bharadwaj, N., Lindenmaier, I., Johnson, K., Nelson, D., Isom, B., Hardin, J., Matthews, A., Wendler, T., Melo de Castro, V., Deng, M., Rocque, M., and Feng, Y.-C.: Ka ARM Zenith Radar (KAZRCFRSPCGECOPOL), 2019-06-10 to 2025-01-27, North Slope Alaska (NSA), Central Facility, Barrow AK (C1), Atmospheric Radiation Measurement (ARM) user facility [data set], https://doi.org/10.5439/1608603, 2025b. 
Billault-Roux, A.-C., Georgakaki, P., Gehring, J., Jaffeux, L., Schwarzenboeck, A., Coutris, P., Nenes, A., and Berne, A.: Distinct secondary ice production processes observed in radar Doppler spectra: insights from a case study, Atmospheric Chemistry and Physics, 23, 10207–10234, https://doi.org/10.5194/acp-23-10207-2023, 2023. a
Cadeddu, M., Gibler, G., and Tuftedal, M.: Microwave Radiometer Profiler (MWRP), 2004-02-19 to 2023-09-28, North Slope Alaska (NSA), Central Facility, Barrow AK (C1), Atmospheric Radiation Measurement (ARM) user facility [data set], https://doi.org/10.5439/1025254, 2025. a
Chen, X. and Xie, S.: ARM Best Estimate Data Products (ARMBECLDRAD), 1998-01-01 to 2023-12-31, North Slope Alaska (NSA), Central Facility, Barrow AK (C1), Atmospheric Radiation Measurement (ARM) user facility [data set], https://doi.org/10.5439/1333228, 2025. a
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We demonstrate the detection algorithm is successful, with 89.6 % of events verifying. Using this radar moment-based algorithm will save users time and computational expenses of processing large spectral datasets when looking for case studies of processes associated with multi-modal spectra. Storing linear depolarization ratio for detected events can facilitate finding cases specific to ice or drizzle events. Pairing this with temperature helps determine processes that may be active.
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