Articles | Volume 13, issue 9
https://doi.org/10.5194/amt-13-4865-2020
https://doi.org/10.5194/amt-13-4865-2020
Research article
 | 
15 Sep 2020
Research article |  | 15 Sep 2020

Mind the gap – Part 2: Improving quantitative estimates of cloud and rain water path in oceanic warm rain using spaceborne radars

Alessandro Battaglia, Pavlos Kollias, Ranvir Dhillon, Katia Lamer, Marat Khairoutdinov, and Daniel Watters

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Cited articles

Awaka, J., Le, M., Chandrasekar, V., Yoshida, N., Higashiuwatoko, T., Kubota, T., and Iguchi, T.: Rain Type Classification Algorithm Module for GPM Dual-Frequency Precipitation Radar, J. Atmos. Ocean Tech., 33, 1887–1898, https://doi.org/10.1175/JTECH-D-16-0016.1, 2016. a, b
Battaglia, A. and Kollias, P.: Evaluation of differential absorption radars in the 183 GHz band for profiling water vapour in ice clouds, Atmos. Meas. Tech., 12, 3335–3349, https://doi.org/10.5194/amt-12-3335-2019, 2019. a
Battaglia, A., Westbrook, C. D., Kneifel, S., Kollias, P., Humpage, N., Löhnert, U., Tyynelä, J., and Petty, G. W.: G band atmospheric radars: new frontiers in cloud physics, Atmos. Meas. Tech., 7, 1527–1546, https://doi.org/10.5194/amt-7-1527-2014, 2014. a, b
Battaglia, A., Kollias, P., Dhillon, R., Roy, R., Tanelli, S., Lamer, K., Grecu, M., Lebsock, M., Watters, D., Mroz, K., Heymsfield, G., Li, L., and Furukawa, K.: Spaceborne Cloud and Precipitation Radars: Status, Challenges, and Ways Forward, Rev. Geophys., 58, e2019RG000686, https://doi.org/10.1029/2019RG000686, 2020a. a, b, c, d, e, f, g
Battaglia, A., Mroz, K., Watters, D., and Ardhuin, F.: GPM-Derived Climatology of Attenuation Due to Clouds and Precipitation at Ka-Band, IEEE T. Geosci. Remote, 58, 1812–1820, https://doi.org/10.1109/TGRS.2019.2949052, 2020b. a, b
Short summary
Warm rain accounts for slightly more than 30 % of the total rain amount and 70 % of the total rain area in the tropical belt and usually appears in kilometer-size cells. Spaceborne radars adopting millimeter wavelengths are excellent tools for detecting such precipitation types and for separating between the cloud and rain components. Our work highlights the benefits of operating multifrequency radars and discusses the impact of antenna footprints in quantitative estimates of liquid water paths.