{
  "id": "2025-05-20-university-of-illinois-springfield-tornado-warning",
  "slug": "university-of-illinois-springfield-tornado-warning-2025-05-20",
  "institution": {
    "name": "University of Illinois Springfield",
    "shortName": "UIS",
    "state": "IL",
    "type": "public-masters",
    "alertSystemName": "UIS Emergency Alert",
    "enrollment": 4364
  },
  "incident": {
    "date": "2025-05-20",
    "type": "tornado",
    "cleryCategory": "emergency-notification",
    "resolution": "resolved",
    "headline": "Tornado warning for west Sangamon County; take shelter",
    "headlinePublic": "Tornado warning for west Sangamon County; take shelter",
    "summary": "UIS posted a [UIS Emergency Alert tornado warning](https://x.com/UISedu/status/1924908742421950793), [sirens](https://x.com/UISedu/status/1924913760986399209), and [immediate danger ended](https://x.com/UISedu/status/1924924402518655230) on [@UISedu](https://x.com/UISedu).",
    "outcome": "Immediate danger to campus ended; warning remained active until 4 p.m."
  },
  "alerts": [
    {
      "sequence": 1,
      "type": "initial",
      "timestamp": "2025-05-20T14:23:01-05:00",
      "channel": "twitter-x",
      "verbatimText": "UIS Emergency Alert:  The National Weather Service has issued a Tornado Warning for the west side of Sangamon County.  Take shelter immediately",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UISedu/status/1924908742421950793",
      "sourceDescription": "@UISedu seq 1",
      "annotations": [
        "Dual independent X fetch 2026-09-14. sha256 055270846666b4f02d6886c92a04ad63dbd96d6203055b4f0c82015d28485224 chars=143.",
        "Thread walked 2026-09-14 @UISedu +/-48h: warning, sirens, immediate danger ended. No further ENs for this incident.",
        "Official double spaces after colons."
      ],
      "characterCount": 143
    },
    {
      "sequence": 2,
      "type": "update",
      "timestamp": "2025-05-20T14:42:58-05:00",
      "channel": "twitter-x",
      "verbatimText": "UIS Emergency Alert:  The tornado sirens near campus are now sounding.  Take shelter immediately",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UISedu/status/1924913760986399209",
      "sourceDescription": "@UISedu seq 2",
      "annotations": [
        "Dual independent X fetch 2026-09-14. sha256 00238579beefc783494aec0c405033b603b037501bc5f69a184d1baa1889bcec chars=96."
      ],
      "characterCount": 96
    },
    {
      "sequence": 3,
      "type": "all-clear",
      "timestamp": "2025-05-20T15:25:15-05:00",
      "channel": "twitter-x",
      "verbatimText": "Urgent:  The Tornado Warning issued by the National Weather Service is active until 4pm, but at this time the immediate danger to our campus area has ended. The UIS Police Department will send additional updates if there are any changes to our weather conditions.",
      "isVerbatimConfirmed": true,
      "confidence": "high",
      "sourceUrl": "https://x.com/UISedu/status/1924924402518655230",
      "sourceDescription": "@UISedu seq 3",
      "annotations": [
        "Dual independent X fetch 2026-09-14. sha256 c988a873215b07d14a772c799765f02cf9c56a9836364fb842db86b25a3f33e0 chars=263.",
        "Immediate danger ended; warning still active until 4pm."
      ],
      "characterCount": 263
    }
  ],
  "context": "Official UIS Emergency Alert products on [@UISedu](https://x.com/UISedu). Distinct from the [August 2026 thunderstorm](https://x.com/UISedu/status/2089057584141509106).",
  "keyFindings": [
    "Three-message tornado thread in about an hour."
  ],
  "sources": [
    {
      "title": "@UISedu tornado warning",
      "url": "https://x.com/UISedu/status/1924908742421950793",
      "type": "official-social",
      "accessDate": "2026-09-14",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    },
    {
      "title": "@UISedu sirens",
      "url": "https://x.com/UISedu/status/1924913760986399209",
      "type": "official-social",
      "accessDate": "2026-09-14",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    },
    {
      "title": "@UISedu danger ended",
      "url": "https://x.com/UISedu/status/1924924402518655230",
      "type": "official-social",
      "accessDate": "2026-09-14",
      "archiveUrl": null,
      "archiveNotes": "SPN not attempted after 500 flap"
    }
  ],
  "confidence": "high",
  "tags": [
    "public-masters",
    "il",
    "tornado"
  ],
  "dateAdded": "2026-09-14",
  "lastUpdated": "2026-09-14",
  "addedBy": "ingestion"
}