{
 "schema": "nephos.method.v1",
 "slug": "constable-cloud-hampstead-1821-09-11",
 "title": "Constable, Cloud Study, Hampstead, Tree at Right",
 "urls": [
  "/studies/constable-cloud-hampstead-1821-09-11"
 ],
 "written": {
  "summary": "The inscription supplies 11 September 1821, 10–11am. It also mentions rain in the following night, extending the written account beyond the painted morning.",
  "items": [
   {
    "quote": "Hampstead, Sepr 11, 1821. 10 to 11.",
    "source": "Constable’s inscription, transcribed by the National Gallery of Australia, 2006.",
    "url": "https://digital.nga.gov.au/archive/exhibition/constable/detail.cfm%3Firn=143229&bioartistirn=18283&mnuid=2&galid=7.html"
   }
  ]
 },
 "records": [
  {
   "name": "Howard’s London-area register",
   "detail": "Daily first-thermometer range, wind and notes for the inscribed day and neighbouring days; the same sources also show the alternative metadata date.",
   "url": "https://archive.org/download/in.ernet.dli.2015.48048/page/n66_w2000.jpg"
  },
  {
   "name": "Met Office HadCET",
   "detail": "A regional daily mean, kept separate from Howard and from the unknown temperature at the easel.",
   "url": "https://www.metoffice.gov.uk/hadobs/hadcet/"
  }
 ],
 "gaps": [
  "The original verso has not been inspected. Published transcriptions carry the inscription.",
  "Howard’s table does not identify its precise observing site. No hour-specific humidity at Hampstead is established."
 ],
 "tests": [
  {
   "claim": "Does the fine, cloudy description fit?",
   "result": "Howard records a fine, cloudy day, between showers on the preceding day and the following morning. This supports the broad description."
  },
  {
   "claim": "Does the wind match exactly?",
   "result": "No. Howard’s W and Constable’s SW are neighbouring directions. Observation time and local exposure remain unresolved."
  },
  {
   "claim": "Does the register confirm the later rain?",
   "result": "The following morning is showery in Howard’s notes, but that cannot locate overnight rain at Hampstead."
  }
 ],
 "finding": "The broad description partially agrees. The painting fixes a morning view; the inscription records a longer change in the weather.",
 "verdicts": [
  {
   "claim": "Fine day and broadly westerly wind",
   "verdict": "Partially agrees",
   "reason": "Compatible broad description; the wind directions are not identical."
  },
  {
   "claim": "Sultriness and the individual painted clouds",
   "verdict": "Unknown",
   "reason": "Daily regional entries do not establish humidity or cloud structure at the easel."
  }
 ],
 "limits": [
  "The Royal Academy’s Google Arts & Culture entry gives 27 September 1821; the inscription is the date basis here, with both dates shown in the records.",
  "The weather comparison does not adjudicate the metadata conflict or establish that the clouds were painted without alteration."
 ]
}