{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.precipitation-phenomenon","code":"thing-precipitation-phenomenon","url":"https://ver.cy/models/thing/precipitation-phenomenon/","name":"precipitation","alternateNames":["fine spray","hail","downfall","sleet","virga"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"noun.phenomenon","plane":"PHY","domain":["PHY.FLW"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"energy","origin":"natural","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"The falling to Earth of water in any form, such as rain, snow, hail, sleet or drizzle, including virga that evaporates before reaching the ground.","purpose":"Let an agent handle precipitation by type, amount, intensity and duration, with measurements and warnings.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Water falling from the atmosphere","Many types by phase and size","Measured as depth of water","Showers are convective precipitation"],"structure":{"bundles":[{"id":"type","name":"Type","description":"What falls.","layers":[{"id":"phase","name":"Phase","description":"Liquid or frozen.","findings":[{"id":"phase-finding","name":"Type","description":"Precipitation type.","questions":[{"text":"What type of precipitation is falling?","kind":"definition"},{"text":"At what temperature?","kind":"measurement"}]}]},{"id":"intensity","name":"Intensity","description":"Rate.","findings":[{"id":"intensity-finding","name":"Intensity","description":"Intensity.","questions":[{"text":"How intense is it?","kind":"measurement"},{"text":"Is it heavy by the local definition?","kind":"boundary"}]}]}]},{"id":"measurement","name":"Measurement","description":"How much.","layers":[{"id":"gauge","name":"Gauge","description":"Totals.","findings":[{"id":"gauge-finding","name":"Totals","description":"Measured totals.","questions":[{"text":"How much fell, at which gauge?","kind":"measurement"},{"text":"Over what period?","kind":"definition"}]}]},{"id":"radar","name":"Radar","description":"Estimates.","findings":[{"id":"radar-finding","name":"Radar","description":"Radar estimates.","questions":[{"text":"What do radar estimates show?","kind":"measurement"},{"text":"How well do they match gauges?","kind":"measurement"}]}]}]},{"id":"impact","name":"Impact","description":"Floods and travel.","layers":[{"id":"hazards","name":"Hazards","description":"Flood, ice, hail.","findings":[{"id":"hazards-finding","name":"Hazards","description":"Hazards.","questions":[{"text":"What hazards does it bring?","kind":"boundary"},{"text":"Are warnings in force?","kind":"provenance"}]}]},{"id":"water","name":"Water resources","description":"Supply.","findings":[{"id":"water-finding","name":"Water","description":"Water supply effects.","questions":[{"text":"How does it affect reservoirs and groundwater?","kind":"measurement"},{"text":"Is there a drought or surplus?","kind":"boundary"}]}]}]},{"id":"forecast","name":"Forecast","description":"What is coming.","layers":[{"id":"prediction","name":"Prediction","description":"Amounts and timing.","findings":[{"id":"prediction-finding","name":"Forecast","description":"Forecast.","questions":[{"text":"How much is forecast, when, by whom?","kind":"provenance"},{"text":"With what probability?","kind":"measurement"}]}]},{"id":"actions","name":"Actions","description":"Preparation.","findings":[{"id":"actions-finding","name":"Actions","description":"Preparation.","questions":[{"text":"How should people prepare?","kind":"action"},{"text":"When should travel be avoided?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Report rainfall, snow and hail from official observations.","Pass on flood and snow warnings issued by authorities."],"mustNot":["Contradict or impersonate official flood or snow warnings.","Send vehicles or people into flooded roads or avalanche zones.","Alter rain gauge data or records.","Present cloud seeding or other weather modification as certain to work."],"requiresHuman":["Ordering evacuation for floods.","Opening reservoir gates or flood defences."]},"ethics":{"considerations":["Floods and droughts decide livelihoods and lives.","Water is shared, and upstream choices affect people downstream."],"affectedParties":["Residents of flood plains","Farmers","Travellers"]},"owners":{"steward":"Nobody owns the rain; meteorological and hydrological services record it.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-11545095-n","type":"parent","note":"registry parent class"},{"target":"shower","type":"related","note":"convective"},{"target":"atmospheric phenomenon","type":"related","note":"parent"},{"target":"flood","type":"related","note":"hazard"},{"target":"weather","type":"related","note":"element"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.precipitation-phenomenon","Open English WordNet: oewn-11515038-n"]},"properties":{"applicability":"required","items":["heavy rain threshold: about 7.6-10 mm/h - varies by service","snow to water ratio: about 10:1 ratio - varies widely"]},"recognition":{"applicability":"required","items":["Type of falling water","Gauge totals in mm","Radar images","Rain, snow, hail, sleet and drizzle falling from clouds; virga as streaks below clouds."]},"capabilities":{"applicability":"required","items":["measure it with gauges and radar","forecast it","warn about heavy precipitation","manage water resources"]},"hazards":{"applicability":"required","items":["Flooding","Ice and snow hazards","Hail damage"]},"interfaces":{"applicability":"required","items":["WMO precipitation measurement guidance","National warning thresholds"]},"context":{"applicability":"required","items":["Precipitation supplies water, affects travel and can cause floods.","rain and drizzle","snow","hail","sleet and freezing rain","virga"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-11515038-n","url":"https://en-word.net/id/oewn-11515038-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: precipitation","url":"https://en.wiktionary.org/wiki/precipitation","note":"word senses and usage"}],"openQuestions":["Should precipitation types be separate entries?","How should thresholds be linked by service?","How should snow depth and water equivalent be recorded?"],"resources":{"spec":"/models/things/publications/thing-precipitation-phenomenon/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-precipitation-phenomenon/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T06:07:00Z","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":"filled","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 2026-10-07T12:16:28+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass"},"score":1.0}}