{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.shower-q1292121","code":"thing-q1292121","url":"https://ver.cy/models/thing/q1292121/","name":"shower","alternateNames":["shigure","drache nationale","sunshower"],"kind":"thing","status":"research-draft","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A short period of precipitation, rain, snow or hail, falling from convective cloud, starting and stopping abruptly and varying quickly in intensity.","purpose":"Let an agent distinguish showers from continuous precipitation and read shower forecasts as statements about probability and local variation.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Convective origin, from cumulus or cumulonimbus clouds","Sudden onset and end, and rapid changes in intensity","Patchy: some places get heavy rain while nearby places stay dry","The bathroom shower is a different sense and not covered here"],"structure":{"bundles":[{"id":"origin-and-type","name":"Origin and type","description":"What produces it and what falls.","layers":[{"id":"convection","name":"Convective origin","description":"The cloud and the instability behind it.","findings":[{"id":"convection-finding","name":"Cloud type","description":"The convective cloud producing the shower.","questions":[{"text":"Which cloud type produced this shower?","kind":"definition"},{"text":"What atmospheric instability drove it?","kind":"definition"}]}]},{"id":"type","name":"Precipitation type","description":"Rain, snow, hail or sleet.","findings":[{"id":"type-finding","name":"Type of precipitation","description":"What falls and why.","questions":[{"text":"What kind of precipitation fell, and at what temperatures?","kind":"measurement"},{"text":"Did the type change during the shower?","kind":"measurement"}]}]}]},{"id":"observation","name":"Observation and measurement","description":"Recording what happened.","layers":[{"id":"reports","name":"Weather reports","description":"Coded observations.","findings":[{"id":"reports-finding","name":"Coded observation","description":"The report code and station.","questions":[{"text":"How was this shower reported, and with which code?","kind":"provenance"},{"text":"What did the report miss because of the station position?","kind":"boundary"}]}]},{"id":"amount","name":"Amount and intensity","description":"Gauge and radar data.","findings":[{"id":"amount-finding","name":"Measured intensity","description":"The rainfall rate and total.","questions":[{"text":"What rainfall rate and total did this shower produce?","kind":"measurement"},{"text":"How far do gauge and radar estimates agree?","kind":"measurement"}]}]}]},{"id":"forecasting","name":"Forecasting","description":"Predicting showers.","layers":[{"id":"probability","name":"Probability","description":"Chance of a shower over an area.","findings":[{"id":"probability-finding","name":"Forecast probability","description":"The probability and the area it refers to.","questions":[{"text":"What probability of showers is forecast, over what area and period?","kind":"measurement"},{"text":"How should that probability be explained to someone at one place?","kind":"action"}]}]},{"id":"skill","name":"Forecast skill","description":"How reliable the forecasts are.","findings":[{"id":"skill-finding","name":"Verification","description":"How forecasts compare with outcomes.","questions":[{"text":"How reliable are shower forecasts at this range?","kind":"measurement"},{"text":"Where do forecasts most often fail?","kind":"boundary"}]}]}]},{"id":"impact","name":"Impact","description":"What showers do.","layers":[{"id":"hazards","name":"Hazards","description":"Flooding, hail and lightning.","findings":[{"id":"hazards-finding","name":"Hazard assessment","description":"The hazards associated with this shower.","questions":[{"text":"Which hazards did this shower carry?","kind":"boundary"},{"text":"When should a shower forecast trigger a warning?","kind":"action"}]}]},{"id":"activities","name":"Effect on activities","description":"Travel, events and outdoor work.","findings":[{"id":"activities-finding","name":"Operational impact","description":"The effect on planned activities.","questions":[{"text":"What activities does this shower disrupt?","kind":"action"},{"text":"How long is the disruption likely to last?","kind":"measurement"}]}]}]}]},"agentConduct":{"may":["Report observed and forecast showers from official weather sources.","Adjust outdoor plans or operations it controls around expected showers."],"mustNot":["Present a shower probability as certainty of rain or of dry weather.","Issue or imitate official severe weather warnings without authority.","Ignore lightning or flash flood risk when guiding people outdoors."],"requiresHuman":["Calling off outdoor activities or evacuating sites because of storms."]},"ethics":{"considerations":["Weather information guides safety decisions; overstating certainty misleads people."],"affectedParties":["People outdoors","Farmers and outdoor workers","Event organizers"]},"owners":{"steward":"Nobody owns the weather; national meteorological services issue forecasts and warnings.","roles":[],"masterSystems":["National meteorological observation records"]},"relations":[{"target":"Q124709932","type":"parent","note":"registry parent class"},{"target":"precipitation","type":"related","note":"inherits measurement and forecast questions"},{"target":"cumulonimbus or cumulus cloud","type":"related","note":"convective cloud is what makes a shower"},{"target":"shower as a bathroom fixture","type":"related","note":"a homonym; this entry is meteorological"},{"target":"thunderstorm","type":"related","note":"deep convection turns showers into storms"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.shower-q1292121","Wikidata: Q1292121 (https://www.wikidata.org/wiki/Q1292121)","WMO present weather code: codes 80-90 in the SYNOP table report shower types and intensities"]},"properties":{"applicability":"not-applicable","items":["duration: 5-60 minutes - longer events are usually not called showers","rainfall rate: 1-50 mm/h - heavy showers exceed 10 mm/h","horizontal size: 1-20 km - why showers are patchy"]},"recognition":{"applicability":"optional","items":["Heaped convective cloud rather than a uniform grey layer","Precipitation that starts and stops suddenly, with sunny spells between","A rain curtain visible at a distance under an individual cloud","A dark, often towering cumulus or cumulonimbus cloud with a visible curtain of precipitation beneath, and bright sky on either side."]},"capabilities":{"applicability":"required","items":["forecast it, usually as a probability over an area","observe and report it, in weather observations with standard codes","measure it, with rain gauges and radar","plan around it, since it is brief and patchy"]},"hazards":{"applicability":"required","items":["Reading a shower probability as a forecast of continuous rain","Flash flooding when heavy showers repeat over the same area","Hail and lightning when showers deepen into storms"]},"interfaces":{"applicability":"required","items":["WMO Manual on Codes for weather reports","WMO International Cloud Atlas"]},"context":{"applicability":"required","items":["Describing and forecasting convective precipitation, which behaves differently from widespread rain.","rain showers, snow showers, hail showers, sleet showers","by intensity: light, moderate, heavy","sunshower: rain falling while the sun shines"]}},"sources":[],"openQuestions":["Should shower types be separate entries or values of one?","How should probabilistic forecasts of showers be represented for agents?","Which thresholds separate a heavy shower from a storm in different services?"],"resources":{"spec":"/models/things/publications/thing-q1292121/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1292121/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T04:26:33Z","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":"missing"},"notes":{"interaction.properties":"Plane XCT: no invented physical properties.","sources":"Written from model knowledge without web access; claims are unverified."},"score":0.938}}