Articles | Volume 17, issue 7
https://doi.org/10.5194/amt-17-2195-2024
https://doi.org/10.5194/amt-17-2195-2024
Research article
 | 
17 Apr 2024
Research article |  | 17 Apr 2024

The High lAtitude sNowfall Detection and Estimation aLgorithm for ATMS (HANDEL-ATMS): a new algorithm for snowfall retrieval at high latitudes

Andrea Camplani, Daniele Casella, Paolo Sanò, and Giulia Panegrossi

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Cited articles

Battaglia, A. and Delanoë, J.: Synergies and complementarities of CloudSat-CALIPSO snow observations, J. Geophys. Res.-Atmos., 118, 721–731, https://doi.org/10.1029/2012JD018092, 2013. 
Battaglia, A. and Panegrossi, G.: What can we learn from the CloudSat radiometric mode observations of snowfall over the ice-free ocean?, Remote Remote Sensing, 12, 3285, https://doi.org/10.3390/rs12203285, 2020. 
Behrangi, A., Christensen, M., Richardson, M., Lebsock, M., Stephens, G., Huffman, G. J., Bolvin, D., Adler, R. F., Gardner, A., Lambrigtsten, B., and Fetzer, E.: Status of high-latitude precipitation estimates from observations and reanalyses, J. Geophys. Res.-Atmos., 121, 4468–4486, https://doi.org/10.1002/2015JD024546, 2016. 
Bintanja, R. and Selten, F.: Future increases in Arctic precipitation linked to local evaporation and sea-ice retreat, Nature, 509, 479–482, https://doi.org/10.1038/nature13259, 2014. 
Camplani, A., Casella, D., Sanò, P., and Panegrossi, G.: The Passive microwave Empirical cold Surface Classification Algorithm (PESCA): Application to GMI and ATMS, J. Hydrometeorol., 22, 1727–1744, https://doi.org/10.1175/JHM-D-20-0260.1, 2021. 
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Short summary
The paper describes a new machine-learning-based snowfall retrieval algorithm for Advanced Technology Microwave Sounder observations developed to retrieve high-latitude snowfall events. The main novelty of the approach is the radiometric characterization of the background surface at the time of the overpass, which is ancillary to the retrieval process. The algorithm shows a unique capability to retrieve snowfall in the environmental conditions typical of high latitudes.
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