{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.rainbow.ai/schemas/nowcast-response",
  "title": "Rainbow.AI Nowcast Response",
  "description": "Schema for the Rainbow.AI Nowcast API response containing minute-by-minute precipitation forecasts",
  "type": "object",
  "required": ["location", "forecasts", "updated_at"],
  "properties": {
    "location": {
      "$ref": "#/$defs/Location"
    },
    "forecasts": {
      "type": "array",
      "description": "Array of minute-by-minute precipitation forecasts for up to 4 hours",
      "items": {
        "$ref": "#/$defs/ForecastPoint"
      },
      "minItems": 1,
      "maxItems": 240
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of the last data update"
    }
  },
  "$defs": {
    "Location": {
      "type": "object",
      "title": "Location",
      "description": "Geographic coordinates",
      "required": ["lat", "lon"],
      "properties": {
        "lat": {
          "type": "number",
          "description": "Latitude in decimal degrees (-90 to 90)",
          "minimum": -90,
          "maximum": 90
        },
        "lon": {
          "type": "number",
          "description": "Longitude in decimal degrees (-180 to 180)",
          "minimum": -180,
          "maximum": 180
        }
      }
    },
    "ForecastPoint": {
      "type": "object",
      "title": "Forecast Point",
      "description": "A single minute precipitation forecast data point",
      "required": ["timestamp", "precipitation_type", "precipitation_intensity"],
      "properties": {
        "timestamp": {
          "type": "string",
          "format": "date-time",
          "description": "ISO 8601 timestamp for this forecast minute"
        },
        "precipitation_type": {
          "type": "string",
          "description": "Type of precipitation expected",
          "enum": ["none", "rain", "snow", "sleet", "freezing_rain"]
        },
        "precipitation_intensity": {
          "type": "number",
          "description": "Precipitation intensity in mm/hour",
          "minimum": 0
        },
        "probability": {
          "type": "number",
          "description": "Probability of precipitation occurring (0.0 to 1.0)",
          "minimum": 0,
          "maximum": 1
        }
      }
    }
  }
}