{
  "abstract": "Liutex core lines are systematically applied to Hurricane Dorian to investigate the three-dimensional vortical organization of an intense tropical cyclone. Unlike conventional analysis based on wind speed or vorticity, Liutex core lines identify the local vortex axes and provide a compact geometrical representation of rotational structures. The results show that Dorian is not characterized by a single vortex core, but by a large population of vortices embedded within a coherent hurricane-scale circulation. Stronger and more vertically organized vortices are concentrated in the inner-core region, whereas numerous weaker, inclined, and curved vortical structures extend outward and collectively retain the spiral organization of the storm. The complete core line field therefore reveals a three-dimensional, multiscale vortical skeleton of the hurricane. These results suggest that a tropical cyclone can be viewed as an organized multiscale vortex system rather than a single monolithic vortex. Beyond visualization, Liutex core lines provide a potential framework for quantifying vortex geometry, spatial organization, and temporal evolution, offering a new approach for studying structural changes and vortex dynamics in tropical cyclones.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.13217",
  "author_total": 3,
  "authors": [
    {
      "name": "Yifei Yu"
    },
    {
      "name": "Chenxi Ma"
    },
    {
      "name": "Chaoqun Liu"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/5hhyzeq02q59m.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.13217",
  "fulltext_url": null,
  "id": "5hhyzeq02q59m",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.13217",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "physics.ao-ph"
    ],
    [
      "arxiv",
      "physics.flu-dyn"
    ],
    [
      "openalex",
      "1902|Tropical and Extratropical Cyclones Research"
    ]
  ],
  "openalex": "W7213258007",
  "pdf_url": "https://arxiv.org/pdf/2609.13217",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-01",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/5hhyzeq02q59m.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:21:25Z",
      "native_id": "2609.13217",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.13217"
    }
  ],
  "subjects": [
    {
      "field": "earth",
      "origin": "arxiv:physics.ao-ph",
      "subfield": "atmospheric"
    },
    {
      "field": "physics",
      "origin": "arxiv:physics.flu-dyn",
      "subfield": "fluid-dynamics"
    }
  ],
  "title": "Liutex Core Lines as a New Framework for Tropical Cyclone Vortex Analysis",
  "title_text": "Liutex Core Lines as a New Framework for Tropical Cyclone Vortex Analysis",
  "type": "preprint",
  "updated_at": "2026-10-30T12:21:25Z",
  "url": "https://research.draconitic.com/paper/5hhyzeq02q59m",
  "venue": "arXiv",
  "versions": []
}