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Synoptic patterns of severe hailstorm events in Spain
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dc.contributor.authorPablo Dávila, Fernando dees_ES
dc.contributor.authorRivas Soriano, Luises_ES
dc.contributor.authorJiménez Alonso, Carloses_ES
dc.contributor.authorMora García, Manuel Antonioes_ES
dc.contributor.authorRiesco Martín, Jesúses_ES
dc.identifier.citationAtmospheric Research. 2021, 250, 105397es_ES
dc.description.abstractA study of severe hailstorm (with size ≥ 3cm) over Spain has been conducted using 8 years (2012–2019) of data. The 73 events of heavy hail selected were classified using the moisture flux at the 850 hPa pressure level (qv) 850 and the lifted index (LI) as variables and a principal component analysis, coupled with a K-means clustering, as statistical technique. The application of this procedure provided four groups with their respective final cluster center. We took as the salient pattern of each cluster the case closest to each final cluster center. It was found that high values of low levels moisture flux (~ 89 g m/kg s on the average) are accompanied by static instability (SBCAPE ~ 600 j/kg and average LI ~ -4). The temperature values exceeded 20 ºC at the 850 hPa pressure level and range between -8ºC and -20ºC at the 500 hPa pressure level. The most typical configuration corresponded to geopotential and thermal trough at mean levels of the troposphere and low pressure at low levels. Likewise, high values of precipitable water (> 35 kg/m 2 ) have been detected and the presence of storm relative helicity and shear was moderate or strong in all cases.es_ES
dc.rightsLicencia CC: Reconocimiento-SinObraDerivada CC BY-NDes_ES
dc.subjectSevere hailstormes_ES
dc.subjectStability indexes_ES
dc.subjectCluster analysises_ES
dc.titleSynoptic patterns of severe hailstorm events in Spaines_ES
Appears in Collections:Artículos científicos 2019-2022

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