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  "item": "Heat_Index.rft.json",
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  "owner": "esri_en",
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  "modified": 1542247806000,
  "guid": null,
  "name": null,
  "title": "Heat Index",
  "type": "Raster function template",
  "typeKeywords": [
    "ArcGIS Raster Function Templates",
    "categoryName#AnalysisSystem_RFT",
    "Function Template",
    "Functions",
    "Processing",
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    "rft",
    "sourceId#Heat IndexSystem_RFT",
    "Templates"
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  "description": "This function calculates apparent temperature based on ambient temperature and relative humidity. The apparent temperature is often described as how hot it feels to the human body.<div><br />This index can be useful for calculating the dangers related to medical issues such as muscle cramping, dehydration, heat exhaustion, or the more serious heatstroke on hot and humid days. When relative humidity is high, it becomes increasingly difficult for the body's sweat to evaporate, leaving individuals without an effective natural way to cool off. Maps of heat advisories or warnings are often a product of reclassifying the heat index result into classes, where the higher the index value, the more likely it is to become a warning rather than just an advisory.<\/div>",
  "tags": [
    "System Raster Function",
    "Raster Function Template",
    "Analysis",
    "Heat Index"
  ],
  "snippet": "Combines ambient air temperature and releative humidity to return apparent temperature.",
  "thumbnail": "thumbnail/HeatIndex.png",
  "documentation": null,
  "extent": [],
  "categories": [],
  "lastModified": -1,
  "spatialReference": null,
  "accessInformation": "Esri, Inc.",
  "licenseInfo": "This raster function template may be used to process your imagery using ArcGIS Image Server.",
  "culture": "english (united states)",
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  "access": "public",
  "size": 1956,
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