For quasi vertical profiles from radar based on work by
Thompson, E. J., S. A. Rutledge, B. Dolan, V. Chandrasekar, and B. L. Cheong, 2014: A dual-polarization radar hydrometeor classification algorithm for winter precipitation. J. Atmos. Oceanic Technol., 31, 1457–1481, https://doi.org/10.1175/JTECH-D-13-00119.1.
includes a melting layer detection algorithm adapted from:
Wolfensberger, D. , Scipion, D. and Berne, A. (2016), Detection and characterization of the melting layer based on polarimetric radar scans. Q.J.R. Meteorol. Soc., 142: 108-124. doi:10.1002/qj.2672