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    "hazardClass": "severe-weather",
    "hazardSubtype": "flood-warning",
    "status": "active",
    "firstSeenAt": "2026-04-21T04:21:46.937Z",
    "sourceIssuedAt": "2026-04-21T04:05:00.000Z",
    "updatedAt": "2026-04-21T04:05:00.000Z",
    "severity": {
      "normalized": 60,
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      "state": "MI",
      "country": "US",
      "affectedAreas": [
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    "headline": "Flood Warning issued April 21 at 12:05AM EDT until April 21 at 4:00PM EDT by NWS Detroit/Pontiac MI",
    "summary": "...The Flood Warning is extended for the following rivers in Michigan...",
    "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\nAdditional information is available at www.water.noaa.gov/wfo/dtx.\n\nThe next statement will be issued this morning at 1015 AM EDT.",
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      "certainty": "Observed",
      "urgency": "Immediate",
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      "relatedReports": []
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