Articles | Volume 24, issue 19
https://doi.org/10.5194/acp-24-11191-2024
https://doi.org/10.5194/acp-24-11191-2024
Research article
 | 
08 Oct 2024
Research article |  | 08 Oct 2024

Simulated particle evolution within a winter storm: contributions of riming to radar moments and precipitation fallout

Andrew DeLaFrance, Lynn A. McMurdie, Angela K. Rowe, and Andrew J. Heymsfield

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Subject: Clouds and Precipitation | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Bailey, M. P. and Hallett, J.: A Comprehensive Habit Diagram for Atmospheric Ice Crystals: Confirmation from the Laboratory, AIRS II, and Other Field Studies, J. Atmos. Sci., 66, 2888–2899, https://doi.org/10.1175/2009JAS2883.1, 2009. 
Bansemer, A., Delene, D., Heymsfield, A., O'Brien, J., Poellot, M., Sand, K., Sova G., Moore J., and Nairy, C.: NCAR Particle Probes IMPACTS, Dataset available online from the NASA Global Hydrometeorology Resource Center DAAC, Huntsville, Alabama, USA [data set], https://doi.org/10.5067/IMPACTS/PROBES/DATA101, 2022. 
Bjerknes, J.: Extratropical Cyclones, in: Compendium of Meteorology, edited by: Malone, T. F., American Meteorological Society, Boston, MA, 577–598, https://doi.org/10.1007/978-1-940033-70-9_48, 1951. 
Bohren, C. F. and Huffman, D. R.: Absorption and Scattering of Light by Small Particles, John Wiley and Sons, New York, 530 pp., ISBN 3527618163, 1983. 
Brdar, S. and Seifert, A.: McSnow: A Monte-Carlo Particle Model for Riming and Aggregation of Ice Particles in a Multidimensional Microphysical Phase Space, J. Adv. Model Earth Syst., 10, 187–206, https://doi.org/10.1002/2017MS001167, 2018. 
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Using a numerical model, the process whereby falling ice crystals accumulate supercooled liquid water droplets is investigated to elucidate its effects on radar-based measurements and surface precipitation. We demonstrate that this process accounted for 55% of the precipitation during a wintertime storm and is uniquely discernable from other ice crystal growth processes in Doppler velocity measurements. These results have implications for measurements from airborne and spaceborne platforms.
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