{
  "sent_alerts": {
    "wind_gust:2026-02-19": {
      "dedup_key": "wind_gust:2026-02-19",
      "alert_type": "wind_gust",
      "sent_at": "2026-02-19T20:01:04.687284",
      "forecast_hour": "2026-02-19-21"
    },
    "wind_gust:2026-02-20": {
      "dedup_key": "wind_gust:2026-02-20",
      "alert_type": "wind_gust",
      "sent_at": "2026-02-20T00:01:04.805171",
      "forecast_hour": "2026-02-20-01"
    },
    "precipitation:2026-02-20": {
      "dedup_key": "precipitation:2026-02-20",
      "alert_type": "precipitation",
      "sent_at": "2026-02-20T04:01:04.578308",
      "forecast_hour": "2026-02-20-05"
    }
  },
  "last_updated": "2026-02-20T12:01:04.030351",
  "previous_alert_snapshots": {},
  "last_ai_summary_sent": null
}