A large tornado and severe hailstorm struck Jersey, Channel Islands, just before midnight on 1–2 November 2023. Radar data are analysed to explore the morphology of the parent supercell thunderstorm. A tornado debris cloud was evident in polarimetric fields, collocated with a reflectivity ‘debris ball’. The debris cloud comprised a small region of exceptionally low correlation coefficient (<0.8) collocated with differential reflectivity ≤0dB. In vertical section, the debris signature comprised a column of low correlation coefficient and high reflectivity that tilted north‐northeast with height and extended to at least 2km above ground level.
{"title":"Polarimetric radar observations of the Jersey tornadic supercell on 1–2 November 2023","authors":"Matthew R. Clark","doi":"10.1002/wea.7619","DOIUrl":"https://doi.org/10.1002/wea.7619","url":null,"abstract":"A large tornado and severe hailstorm struck Jersey, Channel Islands, just before midnight on 1–2 November 2023. Radar data are analysed to explore the morphology of the parent supercell thunderstorm. A tornado debris cloud was evident in polarimetric fields, collocated with a reflectivity ‘debris ball’. The debris cloud comprised a small region of exceptionally low correlation coefficient (<0.8) collocated with differential reflectivity ≤0dB. In vertical section, the debris signature comprised a column of low correlation coefficient and high reflectivity that tilted north‐northeast with height and extended to at least 2km above ground level.","PeriodicalId":23637,"journal":{"name":"Weather","volume":"82 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142248039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"July 2024. A very cool and unsettled first half, followed by some warmer, drier spells","authors":"","doi":"10.1002/wea.7611","DOIUrl":"https://doi.org/10.1002/wea.7611","url":null,"abstract":"","PeriodicalId":23637,"journal":{"name":"Weather","volume":"4 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142179949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
On 1‐2 November 2023, Storm Ciarán impacted the British Isles, causing widespread wind damage and significant disruption to the Channel Islands and parts of southern England. Three areas within this wider swathe ‐ Jersey (Channel Islands), Loders in Dorset and Sompting/Lancing in West Sussex ‐ suffered additional, more severe, localised wind damage. These areas were investigated by the Tornado and Storm Research Organisation (TORRO). Each of these sites was found to have been affected by a tornado. The most intense of these was in Jersey, where one of the strongest tornadoes in the UK and Channel Islands since 1954 occurred.
{"title":"Findings of tornado site investigations undertaken following damage during Storm Ciarán on 1–2 November 2023","authors":"Sarah L. Horton","doi":"10.1002/wea.7616","DOIUrl":"https://doi.org/10.1002/wea.7616","url":null,"abstract":"On 1‐2 November 2023, Storm <jats:italic>Ciarán</jats:italic> impacted the British Isles, causing widespread wind damage and significant disruption to the Channel Islands and parts of southern England. Three areas within this wider swathe ‐ Jersey (Channel Islands), Loders in Dorset and Sompting/Lancing in West Sussex ‐ suffered additional, more severe, localised wind damage. These areas were investigated by the Tornado and Storm Research Organisation (TORRO). Each of these sites was found to have been affected by a tornado. The most intense of these was in Jersey, where one of the strongest tornadoes in the UK and Channel Islands since 1954 occurred.","PeriodicalId":23637,"journal":{"name":"Weather","volume":"26 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142179926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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