{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Weather Temperature to SIGNL4 Alert",
  "content": {
    "modelVersion": 14,
    "document": {
      "bindings": {},
      "graph": {
        "nodes": {
          "n_d9a312b0d0582844": {
            "name": "Check weather now",
            "kind": "start",
            "inputDefs": []
          },
          "n_ffaea2a731695cbd": {
            "name": "Daily at 06:15 UTC",
            "kind": "cron",
            "cronTimes": [
              {
                "type": "cron",
                "expression": "15 6 * * *",
                "timezone": "UTC"
              }
            ]
          },
          "n_4c3e5069e17b6dec": {
            "inputs": {
              "q": {
                "kind": "value",
                "value": "Berlin"
              },
              "units": {
                "kind": "value",
                "value": "metric"
              }
            },
            "name": "Get current weather",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "The city name, optionally followed by state code and country code, such as London,GB.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The city name, optionally followed by state code and country code, such as London,GB."
                  },
                  "nullable": true,
                  "handle": "q",
                  "value": null
                },
                {
                  "description": "The OpenWeather city identifier.",
                  "jsonSchema": {
                    "type": "integer",
                    "minimum": 0,
                    "description": "The OpenWeather city identifier."
                  },
                  "nullable": true,
                  "handle": "id",
                  "value": null
                },
                {
                  "description": "The ZIP or postal code followed by country code, such as 94040,US.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The ZIP or postal code followed by country code, such as 94040,US."
                  },
                  "nullable": true,
                  "handle": "zip",
                  "value": null
                },
                {
                  "description": "The latitude in decimal degrees.",
                  "jsonSchema": {
                    "type": "number",
                    "minimum": -90,
                    "maximum": 90,
                    "description": "The latitude in decimal degrees."
                  },
                  "nullable": true,
                  "handle": "lat",
                  "value": null
                },
                {
                  "description": "The longitude in decimal degrees.",
                  "jsonSchema": {
                    "type": "number",
                    "minimum": -180,
                    "maximum": 180,
                    "description": "The longitude in decimal degrees."
                  },
                  "nullable": true,
                  "handle": "lon",
                  "value": null
                },
                {
                  "description": "The units of measurement for the response.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "standard",
                      "metric",
                      "imperial"
                    ],
                    "description": "The units of measurement for the response."
                  },
                  "nullable": true,
                  "handle": "units",
                  "value": null
                },
                {
                  "description": "The response language code in ISO 639-1 format.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The response language code in ISO 639-1 format."
                  },
                  "nullable": true,
                  "handle": "lang",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "The current weather payload returned by OpenWeather.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {
                      "coord": {
                        "type": "object",
                        "properties": {
                          "lon": {
                            "type": "number",
                            "description": "The longitude in decimal degrees."
                          },
                          "lat": {
                            "type": "number",
                            "description": "The latitude in decimal degrees."
                          }
                        },
                        "required": [
                          "lon",
                          "lat"
                        ],
                        "additionalProperties": true,
                        "description": "The coordinates for the requested place."
                      },
                      "weather": {
                        "type": "array",
                        "items": {
                          "type": "object",
                          "properties": {
                            "id": {
                              "type": "integer",
                              "description": "The weather condition identifier."
                            },
                            "main": {
                              "type": "string",
                              "description": "The group of weather parameters."
                            },
                            "description": {
                              "type": "string",
                              "description": "The localized condition description."
                            },
                            "icon": {
                              "type": "string",
                              "description": "The weather icon code."
                            }
                          },
                          "required": [
                            "id",
                            "main",
                            "description",
                            "icon"
                          ],
                          "additionalProperties": true,
                          "description": "A weather condition entry returned by OpenWeather."
                        },
                        "description": "The weather conditions for the requested place."
                      },
                      "base": {
                        "type": "string",
                        "description": "The internal base parameter returned by OpenWeather."
                      },
                      "main": {
                        "type": "object",
                        "properties": {
                          "temp": {
                            "type": "number",
                            "description": "The measured temperature."
                          },
                          "feels_like": {
                            "type": "number",
                            "description": "The human-perceived temperature."
                          },
                          "temp_min": {
                            "type": "number",
                            "description": "The minimum observed temperature."
                          },
                          "temp_max": {
                            "type": "number",
                            "description": "The maximum observed temperature."
                          },
                          "pressure": {
                            "type": "number",
                            "description": "The atmospheric pressure in hPa."
                          },
                          "humidity": {
                            "type": "number",
                            "description": "The humidity percentage."
                          },
                          "sea_level": {
                            "type": "number",
                            "description": "The sea-level pressure in hPa."
                          },
                          "grnd_level": {
                            "type": "number",
                            "description": "The ground-level pressure in hPa."
                          },
                          "temp_kf": {
                            "type": "number",
                            "description": "The internal forecast temperature correction."
                          }
                        },
                        "required": [
                          "temp",
                          "feels_like",
                          "temp_min",
                          "temp_max",
                          "pressure",
                          "humidity"
                        ],
                        "additionalProperties": true,
                        "description": "The main weather metrics."
                      },
                      "visibility": {
                        "type": "number",
                        "description": "The visibility distance in metres."
                      },
                      "wind": {
                        "type": "object",
                        "properties": {
                          "speed": {
                            "type": "number",
                            "description": "The wind speed."
                          },
                          "deg": {
                            "type": "number",
                            "description": "The wind direction in degrees."
                          },
                          "gust": {
                            "type": "number",
                            "description": "The wind gust speed."
                          }
                        },
                        "required": [
                          "speed"
                        ],
                        "additionalProperties": true,
                        "description": "The wind metrics."
                      },
                      "rain": {
                        "type": "object",
                        "properties": {
                          "1h": {
                            "type": "number",
                            "description": "The precipitation volume for the last hour."
                          },
                          "3h": {
                            "type": "number",
                            "description": "The precipitation volume for the last three hours."
                          }
                        },
                        "additionalProperties": true,
                        "description": "The rain volume summary."
                      },
                      "snow": {
                        "type": "object",
                        "properties": {
                          "1h": {
                            "type": "number",
                            "description": "The precipitation volume for the last hour."
                          },
                          "3h": {
                            "type": "number",
                            "description": "The precipitation volume for the last three hours."
                          }
                        },
                        "additionalProperties": true,
                        "description": "The snow volume summary."
                      },
                      "clouds": {
                        "type": "object",
                        "properties": {
                          "all": {
                            "type": "number",
                            "description": "The cloudiness percentage."
                          }
                        },
                        "required": [
                          "all"
                        ],
                        "additionalProperties": true,
                        "description": "The cloud coverage summary."
                      },
                      "dt": {
                        "type": "integer",
                        "minimum": 0,
                        "description": "The calculation time as a Unix UTC timestamp."
                      },
                      "sys": {
                        "type": "object",
                        "properties": {
                          "type": {
                            "type": "integer",
                            "description": "The internal system type."
                          },
                          "id": {
                            "type": "integer",
                            "description": "The internal system identifier."
                          },
                          "country": {
                            "type": "string",
                            "description": "The ISO 3166 country code."
                          },
                          "sunrise": {
                            "type": "integer",
                            "minimum": 0,
                            "description": "The sunrise time as a Unix UTC timestamp."
                          },
                          "sunset": {
                            "type": "integer",
                            "minimum": 0,
                            "description": "The sunset time as a Unix UTC timestamp."
                          }
                        },
                        "required": [
                          "country",
                          "sunrise",
                          "sunset"
                        ],
                        "additionalProperties": true,
                        "description": "The current weather system metadata."
                      },
                      "timezone": {
                        "type": "integer",
                        "description": "The shift in seconds from UTC."
                      },
                      "id": {
                        "type": "integer",
                        "description": "The OpenWeather city identifier."
                      },
                      "name": {
                        "type": "string",
                        "description": "The place name returned by OpenWeather."
                      },
                      "cod": {
                        "type": "integer",
                        "description": "The internal response code returned on success."
                      }
                    },
                    "required": [
                      "coord",
                      "weather",
                      "base",
                      "main",
                      "wind",
                      "clouds",
                      "dt",
                      "sys",
                      "timezone",
                      "id",
                      "name",
                      "cod"
                    ],
                    "additionalProperties": true,
                    "description": "The current weather payload returned by OpenWeather."
                  },
                  "nullable": false,
                  "handle": "output"
                }
              ],
              "name": "Get current weather",
              "executor": {
                "kind": "connector",
                "action": "openweather_api.get_current_weather",
                "outputMode": "value"
              }
            }
          },
          "n_c0f2ca04f3d6920a": {
            "inputs": {
              "weather": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_4c3e5069e17b6dec",
                    "output": "output"
                  }
                ]
              }
            },
            "name": "Check the temperature",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {
                      "coord": {
                        "type": "object",
                        "properties": {
                          "lon": {
                            "type": "number",
                            "description": "The longitude in decimal degrees."
                          },
                          "lat": {
                            "type": "number",
                            "description": "The latitude in decimal degrees."
                          }
                        },
                        "required": [
                          "lon",
                          "lat"
                        ],
                        "additionalProperties": true,
                        "description": "The coordinates for the requested place."
                      },
                      "weather": {
                        "type": "array",
                        "items": {
                          "type": "object",
                          "properties": {
                            "id": {
                              "type": "integer",
                              "description": "The weather condition identifier."
                            },
                            "main": {
                              "type": "string",
                              "description": "The group of weather parameters."
                            },
                            "description": {
                              "type": "string",
                              "description": "The localized condition description."
                            },
                            "icon": {
                              "type": "string",
                              "description": "The weather icon code."
                            }
                          },
                          "required": [
                            "id",
                            "main",
                            "description",
                            "icon"
                          ],
                          "additionalProperties": true,
                          "description": "A weather condition entry returned by OpenWeather."
                        },
                        "description": "The weather conditions for the requested place."
                      },
                      "base": {
                        "type": "string",
                        "description": "The internal base parameter returned by OpenWeather."
                      },
                      "main": {
                        "type": "object",
                        "properties": {
                          "temp": {
                            "type": "number",
                            "description": "The measured temperature."
                          },
                          "feels_like": {
                            "type": "number",
                            "description": "The human-perceived temperature."
                          },
                          "temp_min": {
                            "type": "number",
                            "description": "The minimum observed temperature."
                          },
                          "temp_max": {
                            "type": "number",
                            "description": "The maximum observed temperature."
                          },
                          "pressure": {
                            "type": "number",
                            "description": "The atmospheric pressure in hPa."
                          },
                          "humidity": {
                            "type": "number",
                            "description": "The humidity percentage."
                          },
                          "sea_level": {
                            "type": "number",
                            "description": "The sea-level pressure in hPa."
                          },
                          "grnd_level": {
                            "type": "number",
                            "description": "The ground-level pressure in hPa."
                          },
                          "temp_kf": {
                            "type": "number",
                            "description": "The internal forecast temperature correction."
                          }
                        },
                        "required": [
                          "temp",
                          "feels_like",
                          "temp_min",
                          "temp_max",
                          "pressure",
                          "humidity"
                        ],
                        "additionalProperties": true,
                        "description": "The main weather metrics."
                      },
                      "visibility": {
                        "type": "number",
                        "description": "The visibility distance in metres."
                      },
                      "wind": {
                        "type": "object",
                        "properties": {
                          "speed": {
                            "type": "number",
                            "description": "The wind speed."
                          },
                          "deg": {
                            "type": "number",
                            "description": "The wind direction in degrees."
                          },
                          "gust": {
                            "type": "number",
                            "description": "The wind gust speed."
                          }
                        },
                        "required": [
                          "speed"
                        ],
                        "additionalProperties": true,
                        "description": "The wind metrics."
                      },
                      "rain": {
                        "type": "object",
                        "properties": {
                          "1h": {
                            "type": "number",
                            "description": "The precipitation volume for the last hour."
                          },
                          "3h": {
                            "type": "number",
                            "description": "The precipitation volume for the last three hours."
                          }
                        },
                        "additionalProperties": true,
                        "description": "The rain volume summary."
                      },
                      "snow": {
                        "type": "object",
                        "properties": {
                          "1h": {
                            "type": "number",
                            "description": "The precipitation volume for the last hour."
                          },
                          "3h": {
                            "type": "number",
                            "description": "The precipitation volume for the last three hours."
                          }
                        },
                        "additionalProperties": true,
                        "description": "The snow volume summary."
                      },
                      "clouds": {
                        "type": "object",
                        "properties": {
                          "all": {
                            "type": "number",
                            "description": "The cloudiness percentage."
                          }
                        },
                        "required": [
                          "all"
                        ],
                        "additionalProperties": true,
                        "description": "The cloud coverage summary."
                      },
                      "dt": {
                        "type": "integer",
                        "minimum": 0,
                        "description": "The calculation time as a Unix UTC timestamp."
                      },
                      "sys": {
                        "type": "object",
                        "properties": {
                          "type": {
                            "type": "integer",
                            "description": "The internal system type."
                          },
                          "id": {
                            "type": "integer",
                            "description": "The internal system identifier."
                          },
                          "country": {
                            "type": "string",
                            "description": "The ISO 3166 country code."
                          },
                          "sunrise": {
                            "type": "integer",
                            "minimum": 0,
                            "description": "The sunrise time as a Unix UTC timestamp."
                          },
                          "sunset": {
                            "type": "integer",
                            "minimum": 0,
                            "description": "The sunset time as a Unix UTC timestamp."
                          }
                        },
                        "required": [
                          "country",
                          "sunrise",
                          "sunset"
                        ],
                        "additionalProperties": true,
                        "description": "The current weather system metadata."
                      },
                      "timezone": {
                        "type": "integer",
                        "description": "The shift in seconds from UTC."
                      },
                      "id": {
                        "type": "integer",
                        "description": "The OpenWeather city identifier."
                      },
                      "name": {
                        "type": "string",
                        "description": "The place name returned by OpenWeather."
                      },
                      "cod": {
                        "type": "integer",
                        "description": "The internal response code returned on success."
                      }
                    },
                    "required": [
                      "coord",
                      "weather",
                      "base",
                      "main",
                      "wind",
                      "clouds",
                      "dt",
                      "sys",
                      "timezone",
                      "id",
                      "name",
                      "cod"
                    ],
                    "additionalProperties": true,
                    "description": "The current weather payload returned by OpenWeather."
                  },
                  "nullable": false,
                  "handle": "weather"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "send"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "body"
                }
              ],
              "name": "Check the temperature",
              "moduleId": "n_70d838782144fc20",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_393a2348e529cece": {
            "inputs": {},
            "name": "Below 25°C?",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "yes",
                "groups": [
                  {
                    "expressions": [
                      {
                        "left": {
                          "kind": "source",
                          "source": {
                            "kind": "node",
                            "nodeId": "n_c0f2ca04f3d6920a",
                            "output": "send"
                          }
                        },
                        "operator": "isTrue"
                      }
                    ]
                  }
                ]
              }
            ]
          },
          "n_b172cd82eea3fd4b": {
            "inputs": {
              "url": {
                "kind": "unset"
              },
              "body": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_c0f2ca04f3d6920a",
                    "output": "body"
                  }
                ]
              }
            },
            "name": "Send SIGNL4 alert",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": {
                      "type": "string"
                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                }
              ],
              "name": "Send SIGNL4 alert",
              "executor": {
                "method": "POST",
                "query": {
                  "mode": "fields",
                  "names": []
                },
                "headers": {
                  "mode": "fields",
                  "names": []
                },
                "bodyFormat": "json",
                "authentication": {
                  "type": "none"
                },
                "responseFormat": "json",
                "statusPolicy": "success",
                "kind": "http-request"
              }
            }
          }
        },
        "edges": [
          {
            "source": "n_d9a312b0d0582844",
            "target": "n_4c3e5069e17b6dec"
          },
          {
            "source": "n_ffaea2a731695cbd",
            "target": "n_4c3e5069e17b6dec"
          },
          {
            "source": "n_4c3e5069e17b6dec",
            "target": "n_c0f2ca04f3d6920a"
          },
          {
            "source": "n_c0f2ca04f3d6920a",
            "target": "n_393a2348e529cece"
          },
          {
            "source": "n_393a2348e529cece",
            "target": "n_b172cd82eea3fd4b",
            "sourceHandle": "yes"
          }
        ]
      }
    },
    "modules": {
      "n_70d838782144fc20": {
        "name": "Check the temperature",
        "imports": [],
        "source": "export default function weatherAlert({weather}) {\n  const temp=weather?.main?.temp;\n  if(typeof temp!=='number'||!Number.isFinite(temp))throw new Error('OpenWeather response has no numeric temperature');\n  if(temp>=25)return {send:false,body:{}};\n  const lat=weather?.coord?.lat,lon=weather?.coord?.lon;\n  if(typeof lat!=='number'||!Number.isFinite(lat)||lat < -90||lat > 90||typeof lon!=='number'||!Number.isFinite(lon)||lon < -180||lon > 180)throw new Error('OpenWeather response has invalid coordinates');\n  return {send:true,body:{message:`Weather alert ❄️ Temperature: ${temp} °C`,title:'Weather Alert from n8n','X-S4-Location':`${lat},${lon}`,'X-S4-ExternalID':'weather-alert','X-S4-Status':'new','X-S4-SourceSystem':'n8n'}};\n}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}