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    "sourceId": "urn:oid:2.49.0.1.840.0.589d3d9360950ad0669b38d4178c9312789ec7a7.003.1",
    "hazardClass": "severe-weather",
    "hazardSubtype": "flood-warning",
    "status": "active",
    "firstSeenAt": "2026-04-21T01:32:41.523Z",
    "sourceIssuedAt": "2026-04-20T21:38:00.000Z",
    "updatedAt": "2026-04-20T21:38:00.000Z",
    "severity": {
      "normalized": 60,
      "native": {
        "scale": "NWS-severity",
        "value": "Severe",
        "label": "Severe"
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    "place": {
      "primary": "Jefferson, WI",
      "state": "WI",
      "country": "US",
      "affectedAreas": [
        "Jefferson, WI"
      ]
    },
    "headline": "Flood Warning issued April 20 at 4:38PM CDT by NWS Milwaukee/Sullivan WI",
    "summary": "...The Flood Warning continues for the following rivers in Wisconsin...Illinois...",
    "instructions": "Turn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles.\n\nMotorists should not attempt to drive around barricades or drive\ncars through flooded areas.\n\nEven 6 inches of fast-moving flood water can knock you off your feet\nand a depth of 2 feet will float your car. Never try to walk, swim,\nor drive through such swift water. If you come upon flood waters,\nstop, turn around and go another way.\n\nAdditional information is available at www.weather.gov.\n\nThe next statement will be issued late tonight at 445 AM CDT.",
    "sources": [
      {
        "provider": "NWS",
        "url": "https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.589d3d9360950ad0669b38d4178c9312789ec7a7.003.1",
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        "snapshot": "data/raw/NWS/2026-04-21/2026-04-21T01-32-41-516Z-17d9d7344d38.json"
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    "extra": {
      "kind": "severe-weather",
      "event": "Flood Warning",
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          "at": "2026-04-20T21:38:00.000Z"
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      "vtec": "/O.CON.KMKX.FL.W.0034.000000T0000Z-000000T0000Z/",
      "expiresAt": "2026-04-21T09:45:00.000Z",
      "wfo": "NWS Milwaukee/Sullivan WI",
      "certainty": "Observed",
      "urgency": "Immediate",
      "capSeverity": "Severe",
      "relatedReports": []
    },
    "revision": 1,
    "history": []
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}