{
  "_id": "316030",
  "name": "(SIGMET header)",
  "values": [
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "description": "For which SIGMET is valid",
      "descriptor_ref": "301014",
      "name": "Time period",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "descriptor_ref": "001037",
      "name": "SIGMET sequence identifier",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "descriptor_ref": "010064",
      "name": "SIGMET cruising level",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "description": "= 1 ATS unit serving FIR",
      "descriptor_ref": "008019",
      "name": "Qualifier for following centre identifier",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "descriptor_ref": "001062",
      "name": "Short ICAO location indicator",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "description": "= 2 FIR, = 3 UIR, = 4 CTA",
      "descriptor_ref": "008019",
      "name": "Qualifier for following centre identifier",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "descriptor_ref": "001065",
      "name": "ICAO region identifier",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "description": "= 6 MWO",
      "descriptor_ref": "008019",
      "name": "Qualifier for following centre identifier",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "descriptor_ref": "001062",
      "name": "Short ICAO location indicator",
      "status": "Operational"
    },
    {
      "_id": "316030",
      "category": "16",
      "categoryofsequences": "Synoptic feature sequences",
      "description": "Set to missing (cancel)",
      "descriptor_ref": "008019",
      "name": "Qualifier for following centre identifier",
      "status": "Operational"
    }
  ]
}