Articles | Volume 20, issue 15
Atmos. Chem. Phys., 20, 9547–9562, 2020
https://doi.org/10.5194/acp-20-9547-2020
Atmos. Chem. Phys., 20, 9547–9562, 2020
https://doi.org/10.5194/acp-20-9547-2020

Research article 14 Aug 2020

Research article | 14 Aug 2020

Towards the connection between snow microphysics and melting layer: insights from multifrequency and dual-polarization radar observations during BAECC

Haoran Li et al.

Data sets

Quicklooks of X-SACR data during BAECC – stratiform rainfall H. Li https://doi.org/10.5281/zenodo.3979103

Finnish Meteorological Institute Dual-Pol C-band Weather Radar, Ikaalinen A. von Lerber https://iop.archive.arm.gov/arm-iop/2014/tmp/baecc/moisseev-radar_cband/?uid=LIH2&st=5f32748d&home=arm-archive

Snow microphysical properties retrieved from PIP observations collected in Hyytiälä on 2014–2015 D. Moisseev https://doi.org/10.5281/zenodo.3977959

Marine W-Band (95 GHz) ARM Cloud Radar (MWACR). 2014-01-15 to 2014-09-13, ARM Mobile Facility (TMP) U. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2 (M1) ARM Climate Research Facility https://doi.org/10.5439/1150242

Ka-Band Scanning ARM Cloud Radar (KASACRVPT). 2014-01-15 to 2014-09-13, ARM Mobile Facility (TMP) U. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2 (M1) ARM Climate Research Facility https://doi.org/10.5439/1046201

X-Band Scanning ARM Cloud Radar (XSACRVPT). 2014-01-15 to 2014-09-13, ARM Mobile Facility (TMP) U. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2 (M1) ARM Climate Research Facility https://doi.org/10.5439/1150303

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Short summary
A method for classifying rimed and unrimed snow based on X- and Ka-band Doppler radar measurements is developed and applied to synergetic radar observations collected during BAECC 2014. The results show that the radar-observed melting layer properties are highly related to the precipitation intensity. The previously reported bright band sagging is mainly connected to the increase in precipitation intensity, while riming plays a secondary role.
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