{
  "sent_alerts": {
    "wind_gust:2026-03-15": {
      "dedup_key": "wind_gust:2026-03-15",
      "alert_type": "wind_gust",
      "sent_at": "2026-03-15T12:01:03.825638",
      "forecast_hour": "2026-03-15-14"
    }
  },
  "last_updated": "2026-03-15T20:01:05.149429",
  "previous_alert_snapshots": {
    "severe_weather": {
      "alert_type": "severe_weather",
      "extreme_value": 1.0,
      "threshold": 0.0,
      "start_time": "urn:oid:2.49.0.1.840.0.d6e1b9bd2c41b97ea4719331053c8d968178bc44.001.1",
      "end_time": "urn:oid:2.49.0.1.840.0.d6e1b9bd2c41b97ea4719331053c8d968178bc44.001.1",
      "hour_count": 1,
      "captured_at": "2026-03-15T20:01:05.149407"
    },
    "wind_gust": {
      "alert_type": "wind_gust",
      "extreme_value": 38.0,
      "threshold": 30,
      "start_time": "2026-03-15-21",
      "end_time": "2026-03-16-00",
      "hour_count": 4,
      "captured_at": "2026-03-15T20:01:05.149410"
    }
  },
  "last_ai_summary_sent": null
}