Monitoring the differential reflectivity and receiver calibration of the German polarimetric weather radar network

Frech, Michael; Hubbert, John

doi:https://doi.org/10.5194/amt-13-1051-2020

Articles | Volume 13, issue 3

https://doi.org/10.5194/amt-13-1051-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-13-1051-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 3

Research article

|

04 Mar 2020

Research article |

| 04 Mar 2020

Monitoring the differential reflectivity and receiver calibration of the German polarimetric weather radar network

Michael Frech and John Hubbert

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Final revised paper (published on 04 Mar 2020)
Preprint (discussion started on 03 Sep 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Clarification on reference to Next Generation Radars (NEXRAD)', Richard Ice, 26 Sep 2019
- AC1: 'Reply to RC1', Michael Frech, 03 Dec 2019
RC2: 'Review', Martin Hagen, 10 Oct 2019
- AC2: 'Response to the review by M. Hagen', Michael Frech, 04 Dec 2019
SC1: 'Monitoring Zdr in German weather radar network', Roberto Cremonini, 02 Nov 2019
- AC3: 'Respone to the review by R. Cremonini', Michael Frech, 04 Dec 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Michael Frech on behalf of the Authors (17 Dec 2019) Author's response Manuscript

ED: Publish as is (28 Jan 2020) by Pavlos Kollias

AR by Michael Frech on behalf of the Authors (03 Feb 2020)

Short summary

The prime source of the temperature sensitivity of Z_DR can be attributed to the antenna assembly. This result is based on over 2000 solar box scans. These data also reveal that there is a 0.6 dB decrease in gain for a 10 °C temperature increase, which directly relates to a bias of the radar reflectivity factor Z, which has not been not accounted for previously. The Z_DR variability in and Z_DR calibration performance of the German weather radar network are shown.