Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 21
Articles | Volume 19, issue 21
https://doi.org/10.5194/amt-19-7255-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-7255-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 21
Research article
 | 
12 Nov 2026
Research article |  | 12 Nov 2026

A new method to estimate the characteristic raindrop size from space-borne Doppler radars: validation with the Monte Carlo model

Takahisa Kobayashi, Kazuhiko Masuda, Hiroshi Yamauchi, and Ahoro Adachi

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Short summary
This paper describes a physically-based algorithm for estimating the mass-weighted raindrop diameter (Dm) and the corresponding Doppler velocities. The algorithm exploits the radar reflectivity and the specific attenuation observed by space-borne Doppler radars and estimate Dm assuming a specified drop size distribution DSD. The uncertainties related to the variability of DSD were reduced by using the dependence of Z–R relationship on Dm and by utilizing parameters representing the shape of DSD.
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