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dc.contributor.authorField, P.R.
dc.contributor.authorHogan, R.J.
dc.contributor.authorBrown, P.R.A.
dc.contributor.authorIllingworth, A.J.
dc.contributor.authorChoularton, T.W.
dc.contributor.authorKaye, Paul H.
dc.contributor.authorHirst, Edwin
dc.contributor.authorGreenaway, Richard
dc.date.accessioned2011-08-11T14:26:28Z
dc.date.available2011-08-11T14:26:28Z
dc.date.issued2004
dc.identifier.citationField , P R , Hogan , R J , Brown , P R A , Illingworth , A J , Choularton , T W , Kaye , P H , Hirst , E & Greenaway , R 2004 , ' Simultaneous radar and aircraft observations of mixed-phase cloud at the 100m scale ' , Quarterly Journal of the Royal Meteorological Society , vol. 130 , no. 600 , pp. 1877-1904 . https://doi.org/10.1256/qj.03.102
dc.identifier.issn0035-9009
dc.identifier.otherPURE: 250468
dc.identifier.otherPURE UUID: 3ed85c03-336a-436a-902c-8ed45245817c
dc.identifier.otherScopus: 3242803511
dc.identifier.otherORCID: /0000-0001-6950-4870/work/32372029
dc.identifier.otherORCID: /0000-0002-0073-8684/work/69424243
dc.identifier.urihttp://hdl.handle.net/2299/6158
dc.descriptionOriginal article can be found at : http://www3.interscience.wiley.com/ Copyright Royal Meterological Society / John Wiley & Sons [Full text of this article is not available in the UHRA]
dc.description.abstractThree UK C-130 aircraft flights performed in conjunction with the Chilbolton Advanced Meteorological Radar were carried out in mixed-phase clouds. The aircraft instrumentation included the Small Ice Detector (SID) and Nevzorov probe that are both capable of discriminating between liquid and ice phase. It was found that particle sphericity measured by the SID could be successfully used as a proxy for particle phase. Using a combination of the SID and other probes it is possible to determine whether a 100 m cloud segment is ice, liquid or mixed-phase. Regions as short as 100 m exhibited mixed-phase characteristics. There was generally good agreement between water phase indicated by the SID and Nevzorov probes, with any differences arising from the fact that the SID provides a number-weighted estimate of dominant phase, while the Nevzorov probe provides a mass-weighted estimate. The radar and aircraft observations show that when high values of differential reflectivity are observed the nearby presence of liquid water is indicated. When large ice crystals are present in deeper cloud they can suppress the differential reflectivity signal. Therefore the absence of a high differential reflectivity signal does not necessarily mean that liquid water is absent.en
dc.language.isoeng
dc.relation.ispartofQuarterly Journal of the Royal Meteorological Society
dc.subjectdifferential reflectivity
dc.subjecticing
dc.subjectSID
dc.titleSimultaneous radar and aircraft observations of mixed-phase cloud at the 100m scaleen
dc.contributor.institutionParticle Instruments and diagnostics
dc.description.statusPeer reviewed
rioxxterms.versionofrecordhttps://doi.org/10.1256/qj.03.102
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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