Performance of WVSS-II hygrometers on the FAAM research aircraft

Vance, A. K.; Abel, S. J.; Cotton, R. J.; Woolley, A. M.

doi:https://doi.org/10.5194/amt-8-1617-2015

Articles | Volume 8, issue 3

https://doi.org/10.5194/amt-8-1617-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-8-1617-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 8, issue 3

Research article

|

28 Mar 2015

Research article |

| 28 Mar 2015

Performance of WVSS-II hygrometers on the FAAM research aircraft

A. K. Vance, S. J. Abel, R. J. Cotton, and A. M. Woolley

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Final revised paper (published on 28 Mar 2015)
Preprint (discussion started on 19 Aug 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C2486: 'Review of ‘Performance of WVSS-II hygrometers on the FAAM Research Aircraft’, by A.K. Vance et al., submitted to AMTD for publication in AMT', Anonymous Referee #2, 05 Sep 2014
- AC C3496: 'Reply to comments of Referee no 2', Alan Vance, 04 Nov 2014
RC C2673: 'Review of Performance of WVSS-II hygrometers on the FAAM Research Aircraft', Anonymous Referee #1, 15 Sep 2014
- AC C3506: 'Reply to comments of Referee no. 1', Alan Vance, 04 Nov 2014

Short summary

Comparisons on the FAAM BAe 146-301 aircraft show good agreement between chilled mirror hygrometers and a WVSS-II fed from a modified Rosemount inlet (wvssR) in coud-free conditions, but a WVSS-II fed from the standard flush inlet (wvssF) over-reads, except at higher humidities. Case studies in cloudy conditions show that wvssF is immune to liquid water and ice, whilst wvssR is susceptible to both. Both WVSS-II inlets respond much more rapidly than the chilled mirror devices, especially wvssF.