{
    "icon": "fas-volume-up",
    "fields": [
        "siren/purpose",
        "siren/type",
        "ref",
        "operator"
    ],
    "geometry": [
        "point",
        "vertex"
    ],
    "terms": [
        "air raid",
        "loud",
        "noise",
        "storm",
        "tornado",
        "warning"
    ],
    "tags": {
        "emergency": "siren"
    },
    "name": "Siren"
}