Articles | Volume 22, issue 18
https://doi.org/10.5194/acp-22-12467-2022
https://doi.org/10.5194/acp-22-12467-2022
Research article
 | 
23 Sep 2022
Research article |  | 23 Sep 2022

Highly supercooled riming and unusual triple-frequency radar signatures over McMurdo Station, Antarctica

Frederic Tridon, Israel Silber, Alessandro Battaglia, Stefan Kneifel, Ann Fridlind, Petros Kalogeras, and Ranvir Dhillon

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Cited articles

Ackerman, A. S., Hobbs, P. V., and Toon, O. B.: A Model for Particle Microphysics, Turbulent Mixing, and Radiative Transfer in the Stratocumulus-Topped Marine Boundary Layer and Comparisons with Measurements, J. Atmos. Sci., 52, 1204–1236, https://doi.org/10.1175/1520-0469(1995)052<1204:AMFPMT>2.0.CO;2, 1995. a
Atmospheric Radiation Measurement (ARM) user facility (Lindenmaier, I., Bharadwaj, N., Johnson, K., Nelson, D., Isom, B., Hardin, J., Matthews, A., Wendler, T., and Castro, V.): Ka ARM Zenith Radar (KAZRMD), 2015-11-17 to 2017-01-02, ARM Mobile Facility (AWR) McMurdo Station Ross Ice Shelf, Antarctica; AMF2 (M1), ARM Data Center [data set], https://doi.org/10.5439/1095601, 2014. a, b
Atmospheric Radiation Measurement (ARM) user facility (Lindenmaier, I., Bharadwaj, N., Johnson, K., Isom, B., Hardin, J., Matthews, A., Wendler, T., and Castro, V.): Marine W-Band (95 GHz) ARM Cloud Radar (MWACR), 2015-11-17 to 2016-03-20, ARM Mobile Facility (AWR) McMurdo Station Ross Ice Shelf, Antarctica; AMF2 (M1), ARM Data Center [data set], https://doi.org/10.5439/1150242, 2015a. a, b
Atmospheric Radiation Measurement (ARM) user facility (Keeler, E., Coulter, R., and Kyrouac, J.): Balloon-Borne Sounding System (SONDEWNPN), 2015-11-30 to 2017-01-03, ARM Mobile Facility (AWR) McMurdo Station Ross Ice Shelf, Antarctica; AMF2 (M1), ARM Data Center [data set], https://doi.org/10.5439/1595321, 2015b. a, b
Atmospheric Radiation Measurement (ARM) user facility (Lindenmaier, I., Bharadwaj, N., Johnson, K., Nelson, D., Isom, B., Hardin, J., Matthews, A., Wendler, T., and Castro, V.): X-Band Scanning ARM Cloud Radar (XSACRVPT), 2015-12-06 to 2016-07-15, ARM Mobile Facility (AWR) McMurdo Station Ross Ice Shelf, Antarctica; AMF2 (M1), ARM Data Center [data set], https://doi.org/10.5439/1150303, 2015c. a, b
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Short summary
The role of ice precipitation in the Earth water budget is not well known because ice particles are complex, and their formation involves intricate processes. Riming of ice crystals by supercooled water droplets is an efficient process, but little is known about its importance at high latitudes. In this work, by exploiting the deployment of an unprecedented number of remote sensing systems in Antarctica, we find that riming occurs at much lower temperatures compared with the mid-latitudes.
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