{
  "type": "FeatureCollection",
  "features": [
    {
      "id": "sample-tornado-warning",
      "type": "Feature",
      "geometry": null,
      "properties": {
        "event": "Tornado Warning",
        "severity": "Extreme",
        "certainty": "Observed",
        "urgency": "Immediate",
        "status": "Actual",
        "messageType": "Alert",
        "headline": "Tornado Warning issued for Lauderdale County",
        "areaDesc": "Lauderdale County, AL",
        "description": "A confirmed tornado was located near Florence, moving east at 35 mph.",
        "instruction": "Take shelter now in a basement or interior room on the lowest floor of a sturdy building.",
        "onset": "2026-07-11T16:00:00-05:00",
        "expires": "2026-07-11T16:45:00-05:00",
        "senderName": "NWS Huntsville AL"
      }
    },
    {
      "id": "sample-severe-thunderstorm-warning",
      "type": "Feature",
      "geometry": null,
      "properties": {
        "event": "Severe Thunderstorm Warning",
        "severity": "Severe",
        "certainty": "Likely",
        "urgency": "Immediate",
        "status": "Actual",
        "messageType": "Alert",
        "headline": "Severe Thunderstorm Warning issued for Colbert County",
        "areaDesc": "Colbert County, AL",
        "description": "Hazard: 70 MPH winds and quarter size hail. Severe thunderstorms were moving east at 40 mph.",
        "instruction": "Move to an interior room on the lowest floor of a building.",
        "onset": "2026-07-11T17:00:00-05:00",
        "expires": "2026-07-11T17:45:00-05:00",
        "senderName": "NWS Huntsville AL"
      }
    },
    {
      "id": "sample-heat-advisory",
      "type": "Feature",
      "geometry": null,
      "properties": {
        "event": "Heat Advisory",
        "severity": "Moderate",
        "certainty": "Likely",
        "urgency": "Expected",
        "status": "Actual",
        "messageType": "Alert",
        "headline": "Heat Advisory remains in effect for northwest Alabama",
        "areaDesc": "Lauderdale County, AL; Colbert County, AL",
        "description": "Heat index values up to 108 are expected from 11 AM through 8 PM.",
        "instruction": "Drink plenty of fluids, stay in an air-conditioned room, and limit time outdoors.",
        "onset": "2026-07-11T11:00:00-05:00",
        "expires": "2026-07-11T20:00:00-05:00",
        "senderName": "NWS Huntsville AL"
      }
    },
    {
      "id": "sample-dense-fog-advisory",
      "type": "Feature",
      "geometry": null,
      "properties": {
        "event": "Dense Fog Advisory",
        "severity": "Moderate",
        "certainty": "Likely",
        "urgency": "Expected",
        "status": "Actual",
        "messageType": "Alert",
        "headline": "Dense Fog Advisory in effect for the Shoals area",
        "areaDesc": "Lauderdale County, AL; Colbert County, AL",
        "description": "Visibility less than one-quarter mile is expected in dense fog.",
        "instruction": "Slow down, use low-beam headlights, and leave extra distance ahead of you.",
        "onset": "2026-07-12T02:00:00-05:00",
        "expires": "2026-07-12T09:00:00-05:00",
        "senderName": "NWS Huntsville AL"
      }
    },
    {
      "id": "sample-special-weather-statement",
      "type": "Feature",
      "geometry": null,
      "properties": {
        "event": "Special Weather Statement",
        "severity": "Moderate",
        "certainty": "Observed",
        "urgency": "Expected",
        "status": "Actual",
        "messageType": "Alert",
        "headline": "Strong thunderstorms will affect portions of the Shoals area",
        "areaDesc": "Lauderdale County, AL; Colbert County, AL",
        "description": "Strong storms may produce gusty winds, frequent lightning, and heavy rainfall.",
        "instruction": "Seek shelter indoors and stay weather aware.",
        "onset": "2026-07-11T18:00:00-05:00",
        "expires": "2026-07-11T19:00:00-05:00",
        "senderName": "NWS Huntsville AL"
      }
    }
  ]
}