{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tropical-cyclone","code":"thing-q8092","url":"https://ver.cy/models/thing/q8092/","name":"tropical cyclone","alternateNames":["Australian region tropical cyclone","South Pacific tropical cyclone","hypercane","North Atlantic tropical cyclone","annular tropical cyclone","North Indian Ocean tropical cyclone","South-West Indian Ocean tropical cyclone","Northeast Pacific tropical cyclone","Northwest Pacific tropical cyclone","South Atlantic tropical cyclone"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.ACT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A rotating storm system with a low-pressure centre, organised thunderstorms and strong winds that forms over warm tropical or subtropical oceans; sufficiently intense tropical cyclones are called hurricanes in the Atlantic and eastern Pacific or typhoons in the western Pacific, while terminology in the Indian Ocean and South Pacific follows regional classifications; classified by sustained wind speed and tracked by regional meteorological centres, these systems bring wind, storm surge and flooding rain.","purpose":"Let an agent explain tropical cyclones and their classification, relay forecasts, warnings and preparedness guidance from meteorological and emergency authorities, route people in danger to official warnings and emergency services first, and separate tropical cyclones from other storms.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Warm-core low over warm ocean","Organised rotation with an eye","Wind, surge and rain hazards","Regional naming and scales"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a tropical cyclone is.","layers":[{"id":"formation","name":"Formation","description":"Formation and structure.","findings":[{"id":"formation-finding","name":"Formation","description":"Formation.","questions":[{"text":"How do tropical cyclones form and what is their structure?","kind":"definition"},{"text":"Is the user under a current warning, which needs official channels and emergency services first?","kind":"boundary"}]}]},{"id":"classification","name":"Classification","description":"Scales and names.","findings":[{"id":"classification-finding","name":"Classification","description":"Classification.","questions":[{"text":"How are cyclones classified and named in each basin?","kind":"definition"},{"text":"Which entry fits a specific storm?","kind":"action"}]}]}]},{"id":"forecast","name":"Forecast","description":"Tracking and warnings.","layers":[{"id":"tracking","name":"Tracking","description":"Forecasting.","findings":[{"id":"tracking-finding","name":"Tracking","description":"Tracking.","questions":[{"text":"How are cyclones tracked and forecast, and which centre is responsible for a region?","kind":"provenance"},{"text":"Which entry fits the regional centre?","kind":"action"}]}]},{"id":"warnings","name":"Warnings","description":"Warnings.","findings":[{"id":"warnings-finding","name":"Warnings","description":"Warnings.","questions":[{"text":"Where are official warnings published, and what do watch and warning levels mean?","kind":"provenance"},{"text":"Is the information current?","kind":"boundary"}]}]}]},{"id":"prepare","name":"Prepare","description":"Preparedness and response.","layers":[{"id":"preparedness","name":"Preparedness","description":"Preparedness.","findings":[{"id":"preparedness-finding","name":"Preparedness","description":"Preparedness.","questions":[{"text":"What preparedness guidance do emergency authorities give?","kind":"provenance"},{"text":"Which entry fits emergency management?","kind":"action"}]}]},{"id":"hazards","name":"Hazards","description":"Hazards.","findings":[{"id":"hazards-finding","name":"Hazards","description":"Hazards.","questions":[{"text":"What are the hazards of surge, wind and rain, and how do they vary?","kind":"provenance"},{"text":"Which entry fits storm surge?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Climate and history.","layers":[{"id":"climate","name":"Climate","description":"Climate change.","findings":[{"id":"climate-finding","name":"Climate","description":"Climate.","questions":[{"text":"What do assessments say about cyclones and climate change, with findings attributed?","kind":"provenance"},{"text":"Is the presentation attributed and neutral?","kind":"boundary"}]}]},{"id":"history","name":"History","description":"Notable storms.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"Which cyclones are historically significant, and which references are standard?","kind":"provenance"},{"text":"Which entry fits a specific storm?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Relay official warnings and forecast tracks with their source and time.","Help people find official evacuation routes and shelters."],"mustNot":["Issue its own forecasts or advise people to ignore official warnings.","Spread unverified track or intensity claims.","Tell people a storm has passed or is safe before the authorities do.","Send people into flooded areas or storm surge zones."],"requiresHuman":["Ordering or calling off an evacuation."]},"ethics":{"considerations":["Tropical cyclones kill through surge, wind and flooding; timely truth saves lives.","Poor and isolated people have fewer means to prepare and recover."],"affectedParties":["Coastal residents","Emergency responders","People in low-lying areas"]},"owners":{"steward":"Nobody owns a storm; the national meteorological service names and warns for it.","roles":[],"masterSystems":["Regional specialized meteorological centre records"]},"relations":[{"target":"Q1277161","type":"parent","note":"registry parent class"},{"target":"Q79602","type":"parent","note":"registry parent class"},{"target":"cyclone","type":"related","note":"a rotating low"},{"target":"extreme weather event","type":"related","note":"a hazard"},{"target":"storm surge","type":"related","note":"a main hazard"},{"target":"regional specialised meteorological centre","type":"related","note":"the warning authority"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tropical-cyclone","Wikidata: Q8092 (https://www.wikidata.org/wiki/Q8092)","storm name and number: per basin assigned by the regional centre","ATCF identifier: basin, number and year used in databases"]},"properties":{"applicability":"not-applicable","items":["diameter: 200-1000 km - cloud field","sustained winds at tropical storm strength: at least 63 km/h","sustained winds at hurricane strength: at least 119 km/h - category 1 on the Saffir-Simpson scale"]},"recognition":{"applicability":"optional","items":["Rotating storm with an eye over warm ocean","Named and numbered by regional centres","Extratropical storms and tornadoes are different systems","A spiral of cloud bands around a central eye, hundreds of kilometres across, seen from satellites."]},"capabilities":{"applicability":"required","items":["explain formation, structure and classification","relay official forecasts and warnings","relay preparedness guidance","route emergencies to official channels"]},"hazards":{"applicability":"required","items":["Storm surge drowning","Wind damage and flying debris","Inland flooding from rain","Ignoring official warnings"]},"interfaces":{"applicability":"required","items":["WMO tropical cyclone programme and regional centre responsibilities","National warning and evacuation rules","Building codes for cyclone-prone areas","Saffir-Simpson and regional intensity scales"]},"context":{"applicability":"required","items":["Not applicable; a weather phenomenon.","tropical depressions, storms and hurricanes or typhoons by intensity","basins: North Atlantic, eastern and western Pacific, North Indian, South Indian, Australian and South Pacific","annular and subtropical cyclones","major hurricanes and super typhoons","hypothetical hypercanes as a modelling concept"]}},"sources":[{"title":"Wikidata item Q8092: tropical cyclone","url":"https://www.wikidata.org/wiki/Q8092","note":"identity and sense of the item"},{"title":"Wikipedia: Tropical cyclone","url":"https://en.wikipedia.org/wiki/Tropical_cyclone","note":"general description of the item"}],"openQuestions":["Should each basin be a separate entry?","How should regional centre warnings be linked?","The registry entry has merged basin aliases and a hypothetical concept; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q8092/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q8092/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T20:35:42Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:32+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}