{
  "id": "2026-09-08-university-of-iowa-evening-tornado-and-severe-storm",
  "slug": "university-of-iowa-evening-tornado-and-severe-storm-2026-09-08",
  "institution": {
    "name": "University of Iowa",
    "shortName": "Iowa",
    "state": "IA",
    "type": "public-r1",
    "alertSystemName": "Hawk Alert / Crime Alert",
    "enrollment": 30000
  },
  "incident": {
    "date": "2026-09-08",
    "type": "tornado",
    "cleryCategory": "emergency-notification",
    "resolution": "resolved",
    "headline": "Evening tornado warning followed by a severe-thunderstorm shelter alert",
    "headlinePublic": "Evening tornado warning followed by a severe-thunderstorm shelter alert",
    "summary": "Hawk Alerts on [emergency.uiowa.edu](https://emergency.uiowa.edu/hawk-alert-nws-tornado-warning-until-915-pm-includes-parts-johnson-county-seek-immediate-shelter) told people to seek shelter for a tornado warning covering parts of Johnson County, then for a severe thunderstorm with 70 mph wind and nickel hail.",
    "outcome": "Each message told recipients to seek shelter. A situation update saying the tornado warning did not include campus was not filed because the two reads disagreed about a link label."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "channel": "multi-channel",
      "verbatimText": "HAWK ALERT: NWS Tornado Warning until 9:15 p.m. includes parts of Johnson County. Seek immediate shelter. More: emergency.uiowa.edu",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://emergency.uiowa.edu/hawk-alert-nws-tornado-warning-until-915-pm-includes-parts-johnson-county-seek-immediate-shelter",
      "sourceDescription": "Hawk Alert archive, tornado warning until 9:15 p.m.",
      "annotations": [
        "Two independent reads on 2026-10-04. Body sha256 d9198bcc57fcb923ba21a1471dfa921b4254e4818ee973711a7848fca8dc5009. Body and heading match.",
        "Distinct from the June 11, 2026 Hawk Alert cascade."
      ],
      "characterCount": 131,
      "timestampApprox": "The warning body has no separate clock. The page's only time element, 09/08/2026 - 9:04 PM, belongs to a situation update that was not filed."
    },
    {
      "sequence": 2,
      "type": "update",
      "channel": "multi-channel",
      "verbatimText": "HAWK ALERT: NWS Tornado Warning until 9:20 p.m. includes parts of Johnson County. Seek immediate shelter. More: emergency.uiowa.edu",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://emergency.uiowa.edu/hawk-alert-nws-tornado-warning-until-915-pmincludes-parts-johnson-county-seek-immediate-shelter",
      "sourceDescription": "Hawk Alert archive, tornado warning until 9:20 p.m.",
      "annotations": [
        "Two independent reads. Body sha256 c10191673dd479cc033481357718138e884ce299ad00806708a1f53bb0e5a7bd. The heading says 9:15 p.m. with no space after p.m. The body, which is filed, says 9:20 p.m."
      ],
      "characterCount": 131,
      "timestampApprox": "This page prints no clock and no calendar date. The body is the same night's tornado warning with the expiration moved to 9:20 p.m."
    },
    {
      "sequence": 3,
      "type": "update",
      "channel": "multi-channel",
      "verbatimText": "HAWK ALERT: NWS Severe Thunderstorm Warning until 10:15 for parts of Johnson Co. Storm has 70 mph wind and nickel hail Seek shelter. More: emergency.uiowa.edu",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://emergency.uiowa.edu/hawk-alert-nws-severe-thunderstorm-warning-until-1015-parts-johnson-co-storm-has-70-mph-wind-and",
      "sourceDescription": "Hawk Alert archive, severe thunderstorm until 10:15 p.m.",
      "annotations": [
        "Two independent reads. Body sha256 6e17187ca451a82e65b8b4f31426b145d979da057aa552176c08c3560eedb2c6. The body has no period between hail and Seek. The heading adds that period and was not filed.",
        "Visible archive time 09/08/2026 - 9:16 PM. The datetime attribute is 2026-09-08T21:16:51Z. The visible 9:16 p.m. is kept as Central daylight time, -05:00."
      ],
      "characterCount": 158,
      "timestamp": "2026-09-08T21:16:51-05:00"
    }
  ],
  "context": "The three messages are Hawk Alert archive pages on [emergency.uiowa.edu](https://emergency.uiowa.edu/). Each one tells recipients to seek shelter.",
  "keyFindings": [
    "A tornado warning and a later severe-thunderstorm warning each included a shelter instruction."
  ],
  "sources": [
    {
      "title": "Hawk Alert, tornado warning until 9:15 p.m.",
      "url": "https://emergency.uiowa.edu/hawk-alert-nws-tornado-warning-until-915-pm-includes-parts-johnson-county-seek-immediate-shelter",
      "type": "official-archive",
      "accessDate": "2026-10-04",
      "archiveUrl": null,
      "archiveNotes": "No SPN save this batch. Another archive.org read was in flight, so this row was not given a snapshot."
    },
    {
      "title": "Hawk Alert, tornado warning until 9:20 p.m.",
      "url": "https://emergency.uiowa.edu/hawk-alert-nws-tornado-warning-until-915-pmincludes-parts-johnson-county-seek-immediate-shelter",
      "type": "official-archive",
      "accessDate": "2026-10-04",
      "archiveUrl": null,
      "archiveNotes": "No SPN save this batch. Another archive.org read was in flight, so this row was not given a snapshot."
    },
    {
      "title": "Hawk Alert, severe thunderstorm until 10:15 p.m.",
      "url": "https://emergency.uiowa.edu/hawk-alert-nws-severe-thunderstorm-warning-until-1015-parts-johnson-co-storm-has-70-mph-wind-and",
      "type": "official-archive",
      "accessDate": "2026-10-04",
      "archiveUrl": null,
      "archiveNotes": "No SPN save this batch. Another archive.org read was in flight, so this row was not given a snapshot."
    }
  ],
  "confidence": "high",
  "tags": [
    "public-r1",
    "iowa",
    "hawk-alert"
  ],
  "dateAdded": "2026-10-04",
  "lastUpdated": "2026-10-04",
  "addedBy": "ingestion"
}