Articles | Volume 13, issue 5
Atmos. Meas. Tech., 13, 2363–2379, 2020
https://doi.org/10.5194/amt-13-2363-2020
Atmos. Meas. Tech., 13, 2363–2379, 2020
https://doi.org/10.5194/amt-13-2363-2020
Research article
14 May 2020
Research article | 14 May 2020

Mind the gap – Part 1: Accurately locating warm marine boundary layer clouds and precipitation using spaceborne radars

Katia Lamer et al.

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Cited articles

ARM Data Discovery: https://www.archive.arm.gov/discovery/, last access: 12 June 2019. 
Battaglia, A., Tanelli, S., and Kollias, P.: Polarization Diversity for Millimeter Spaceborne Doppler Radars: An Answer for Observing Deep Convection?, J. Atmos. Ocean. Tech., 30, 2768–2787, 2013. 
Battaglia, A., Kollias, P., Dhillon, R., Roy, R. J., Tanelli, S., Lebsock, M., Grecu, M., Lamer, K., Heymsfield, G. M., Watters, D., and Mroz, K.: Space-borne cloud and precipitation radars: status, challenges and ways forward, Rev. Geophys., submitted, 2020a. 
Battaglia, A., Kollias, P., Dhillon, R., Lamer, K., Khairoutdinov, M., and Watters, D.: Mind-thegap Part II: Improving quantitative estimates of cloud and rain water path in oceanic warm rain using spaceborne radars, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2020-80, in review, 2020b. 
Short summary
According to ground-based radar observations, 50 % of liquid low-level clouds over the Atlantic extend below 1.2 km and are thinner than 400 m, thus limiting their detection from space. Using an emulator, we estimate that a 250 m resolution radar would capture cloud base better than the CloudSat radar which misses about 52 %. The more sensitive EarthCARE radar is expected to capture cloud cover but stretch cloud. This calls for the operation of interlaced pulse modes for future space missions.