Articles | Volume 16, issue 8
Research article
 | Highlight paper
20 Apr 2023
Research article | Highlight paper |  | 20 Apr 2023

Evaluation of polarimetric ice microphysical retrievals with OLYMPEX campaign data

Armin Blanke, Andrew J. Heymsfield, Manuel Moser, and Silke Trömel

Data sets

GPM Ground Validation Doppler on Wheels (DOW) OLYMPEX V2 R. A. Houze, J. Wurman, S. Brodzik, and A. Framback

GPM Ground Validation OLYMPEX Field Campaign Data Collection W. Petersen, R. Houze, and L. McMurdie

ERA5 hourly data on pressure levels from 1940 to present H. Hersbach, B. Bell, P. Berrisford, G. Biavati, A. Horányi, J. Muñoz Sabater, J. Nicolas, C. Peubey, R. Radu, I. Rozum, I., Schepers, D., Simmons, A., Soci, C., Dee, D., and Thépaut, J.-N.

Executive editor
This study evaluates many currently available conventional and polarimetric radar-based remote-sensing retrievals of ice water content, total number concentration and mean diameter of ice hydrometeors. It has the potential to become a reference for the assessment of measurement uncertainties from radar observations for which no in-situ reference data are available.
Short summary
We present an evaluation of current retrieval techniques in the ice phase applied to polarimetric radar measurements with collocated in situ observations of aircraft conducted over the Olympic Mountains, Washington State, during winter 2015. Radar estimates of ice properties agreed most with aircraft observations in regions with pronounced radar signatures, but uncertainties were identified that indicate issues of some retrievals, particularly in warmer temperature regimes.