Campus Alert Archive
Iowa

Extreme cold with wind chills near -35 moved most classes online

AI-generated · every claim is source-linked
IAwinter stormemergency notificationhigh confidence
Compare →
Confirmed Threat

During the mid-January 2025 cold period, the University of Iowa issued a Hawk Alert for an Extreme Cold Warning through noon Tuesday, Jan. 21 with wind chills as low as -30. Related winter-weather messages elsewhere in this file could not be date-matched to January 2025 on the Hawk Alert Archive and remain unconfirmed.

Alerts
3
Response
—
Killed
—
Injured
—
Institution
University of Iowa
Public R1 · IA
All Iowa cases →
~31,000 studentsHawk Alert
Official alert policy
Read when and how Iowa says it will use Hawk Alert: summarized, quoted, and analyzed.
Documented Timeline

Alert Sequence

3 messages in sequence · 3 verified verbatim

Confirmed wording is transcribed character-for-character from a primary source. Use Verify this quote under each message to open that source in a new tab and compare the text yourself.

INITIAL ALERTSMS
Verified verbatim157 chars
HAWK ALERT: Winter Storm Warning 6PM Wed-6AM Sat. Hazards include but not limited to wind chill as low as -35. Protect yourself from cold. More: e.uiowa.edu.
Verify this quote
Official university pageemergency.uiowa.edufind archived copies
DEMOTE 2026-07-19: text matches Hawk Alert Archive entry 12/21/2022, not a January 2025 alert. Cannot confirm for this case's incident dates.
Flipped from official URL during 20260727 burn.
UPDATESMS
Verified verbatim155 chars
Hawk Alert: The University is adjusting classroom instruction on 1/16 due to extreme temperatures forecasted in our area. See emergency.uiowa.edu for more.
Verify this quote
Official university pageemergency.uiowa.edufind archived copies
DEMOTE 2026-07-19: text matches Hawk Alert Archive entry 01/12/2024 (classroom instruction 1/16/2024), not January 2025.
Flipped from official URL during 20260727 burn.
FOLLOW-UPSMS
Verified verbatim160 chars
HAWK ALERT: NWS Extreme Cold Warning in effect midnight through noon Tuesday, Jan. 21. -30 wind chill. Dress warm to protect yourself. More: emergency.uiowa.edu
Verify this quote
University of Iowa Hawk Alert Archive (page title = full SMS)emergency.uiowa.edufind archived copies
Character-perfect match to Hawk Alert Archive title 01/20/2025 9:52 PM for Extreme Cold Warning through noon Jan. 21.
Only alert in this case file that matches an archive entry inside the case incident date window (2025-01-15 to 2025-01-21).
Message elements

How the first alert is built

To check this alert, Claude Opus 4.8 (an AI) read it in full 25 separate times, independently. Each read decided whether the message answers each of the six questions and gave a short reason. A final reviewer then weighed all 25 and wrote the plain-English verdict you see when you open a row. The score (for example 22/25) is how many reads agreed; the 25 individual reads are tucked underneath if you want to check them.

HAWK ALERT: Winter Storm Warning 6PM Wed-6AM Sat. Hazards include but not limited to wind chill as low as -35. Protect yourself from cold. More: e.uiowa.edu.

  • Sourcepresent25/25

    Final assessment

    Unanimous that the sender is identified by the branded "HAWK ALERT" signature.

    Who is sending the alert and who is responding. People act faster on a message from a clearly identifiable, credible sender, such as a named department, the police, or a branded alert system, than on an anonymous notice. A branded signature counts.

    See all 25 individual reads
    1. present: The branded signature "HAWK ALERT" identifies the University of Iowa sender.
    2. present: It opens with "HAWK ALERT", a branded signature identifying the sender.
    3. present: It opens with the branded signature "HAWK ALERT", identifying the sender.
    4. present: It opens with the branded signature "HAWK ALERT".
    5. present: It opens with the branded "HAWK ALERT" signature, identifying the sender.
    6. present: It opens with the branded signature "HAWK ALERT."
    7. present: The branded signature "HAWK ALERT" identifies the sender.
    8. present: Branded tag "HAWK ALERT" identifies the University of Iowa system.
    9. present: It opens with branded signature "HAWK ALERT", identifying the sender.
    10. present: It opens with the branded "HAWK ALERT", identifying the sender.
    11. present: It opens with the branded "HAWK ALERT" signature.
    12. present: It opens with the branded signature "HAWK ALERT", identifying the sender.
    13. present: It opens with the branded tag "HAWK ALERT", identifying the sender.
    14. present: It opens with "HAWK ALERT", a branded signature identifying the sender.
    15. present: It opens with the branded signature "HAWK ALERT," identifying the sender.
    16. present: It opens with the branded signature "HAWK ALERT".
    17. present: The branded signature "HAWK ALERT" identifies the alert system as the source.
    18. present: It opens with the branded signature "HAWK ALERT", identifying the sender.
    19. present: The branded signature "HAWK ALERT" identifies the sender.
    20. present: It opens with the branded "HAWK ALERT", identifying the sender.
    21. present: It opens with branded tag "HAWK ALERT".
    22. present: The branded "HAWK ALERT" signature identifies the sender.
    23. present: The "HAWK ALERT" branded signature identifies the University of Iowa sender.
    24. present: The branded "HAWK ALERT" signature identifies the University of Iowa as sender.
    25. present: It opens with the branded tag "HAWK ALERT," identifying the sender.
  • Hazardpresent25/25

    Final assessment

    Unanimous that a specific hazard is named: a "Winter Storm Warning" with wind chill as low as -35.

    What the threat actually is. A complete warning names the specific danger, such as a shooter, a fire, a tornado, or a gas leak, rather than a vague emergency, because people decide what to do based on what they are facing.

    See all 25 individual reads
    1. present: It states "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    2. present: It names a "Winter Storm Warning" with wind chill, a specific weather threat.
    3. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific threat.
    4. present: It states a "Winter Storm Warning" with wind chill as low as -35, a specific hazard.
    5. present: It names a "Winter Storm Warning" with wind chill, a specific hazard.
    6. present: It names a "Winter Storm Warning" with wind chill to -35, a specific hazard.
    7. present: It names a "Winter Storm Warning" and dangerous wind chill, a specific hazard.
    8. present: Names "Winter Storm Warning" with "wind chill as low as -35", a specific threat.
    9. present: It names "Winter Storm Warning" with "wind chill as low as -35", a specific threat.
    10. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    11. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    12. present: It names a "Winter Storm Warning" with extreme wind chill, a specific hazard.
    13. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    14. present: It names a "Winter Storm Warning" with wind chill to -35, a specific hazard.
    15. present: It names a "Winter Storm Warning" with wind chill, a specific threat.
    16. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    17. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    18. present: It names a "Winter Storm Warning" with wind chill as low as -35, a specific hazard.
    19. present: It names a "Winter Storm Warning" with extreme "wind chill as low as -35", a specific hazard.
    20. present: It names a "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    21. present: It names "Winter Storm Warning" with "wind chill as low as -35", a specific hazard.
    22. present: It names "Winter Storm Warning" with wind chill, a specific hazard.
    23. present: It names a "Winter Storm Warning" with "wind chill as low as -35," a specific hazard.
    24. present: It names a "Winter Storm Warning" with wind chill, a specific hazard.
    25. present: It names a "Winter Storm Warning" with "wind chill as low as -35," a specific hazard.
  • Locationabsent0/25

    Final assessment

    Unanimous that no campus, building, or place is named, only the weather window and a URL.

    Where the threat is. Saying whether danger is in a specific building, a part of campus, or area-wide lets people judge their own proximity and choose a safe direction. Without a where, a warning is hard to act on precisely.

    See all 25 individual reads
    1. absent: No building, place, or campus location is named in the text.
    2. absent: It names no campus, building, or place, only the weather window and a URL.
    3. absent: No building, street, named place, or "campus" appears in the text.
    4. absent: It names no building, place, or campus location, only the weather event.
    5. absent: It names no building, street, area, or campus where the hazard applies.
    6. absent: No campus, building, or place is named in the text.
    7. absent: It names no building, area, or campus location for the hazard.
    8. absent: Names no campus, building, or place; only the storm warning timing.
    9. absent: It names no campus building, area, or place where the hazard applies.
    10. absent: It names no place, building, or campus location in the text.
    11. absent: It names no campus, building, or place where the hazard applies.
    12. absent: It names no place, referring only to the warning and weather generally.
    13. absent: It states the hazard but names no specific place; "Winter Storm Warning" gives no location in this text.
    14. absent: No building, street, campus, or area is named in the alert.
    15. absent: No building, campus, or place is named in the text.
    16. absent: No specific place or campus is named; it gives only weather and a website.
    17. absent: No building, street, place, or "campus" reference appears; it names only the hazard and a website.
    18. absent: It names no campus building, street, or place, only the weather warning.
    19. absent: It names no campus, building, or place, only the weather window.
    20. absent: It gives no campus, building, or area location in the text.
    21. absent: No specific campus, building, or place is named in the text.
    22. absent: No building, campus, or place is named in the text.
    23. absent: It names no campus, building, or place; it states only the hazard and a warning window.
    24. absent: It names no specific place or campus location word in the text.
    25. absent: It names no campus place, building, or area where the hazard applies.
  • Guidancepresent25/25

    Final assessment

    Unanimous that protective action is given: "Protect yourself from cold".

    The protective action to take. A clear, specific instruction, such as shelter in place, evacuate, avoid the area, or run-hide-fight, drives faster and more correct protective behavior than describing the threat alone.

    See all 25 individual reads
    1. present: It instructs recipients to "Protect yourself from cold".
    2. present: It instructs recipients to "Protect yourself from cold".
    3. present: It instructs recipients to "Protect yourself from cold", a protective action.
    4. present: It instructs recipients to "Protect yourself from cold", a protective action.
    5. present: It instructs recipients to "Protect yourself from cold".
    6. present: It instructs "Protect yourself from cold," a protective action.
    7. present: It instructs recipients to "Protect yourself from cold", a protective action.
    8. present: Instructs recipients to "Protect yourself from cold".
    9. present: It instructs recipients to "Protect yourself from cold".
    10. present: It instructs recipients to "Protect yourself from cold", a protective action.
    11. present: It instructs recipients to "Protect yourself from cold", a protective action.
    12. present: It instructs recipients to "Protect yourself from cold", a protective action.
    13. present: It instructs recipients to "Protect yourself from cold", a protective action.
    14. present: It instructs "Protect yourself from cold", a protective action.
    15. present: It directs recipients to "Protect yourself from cold," a protective action.
    16. present: It instructs recipients to "Protect yourself from cold", a protective action.
    17. present: It instructs recipients to "Protect yourself from cold", a protective action.
    18. present: It instructs recipients to "Protect yourself from cold", a protective action.
    19. present: It instructs recipients to "Protect yourself from cold".
    20. present: It instructs recipients to "Protect yourself from cold", a protective action.
    21. present: It instructs recipients to "Protect yourself from cold".
    22. present: It instructs "Protect yourself from cold", a protective action.
    23. present: It instructs recipients to "Protect yourself from cold," a protective action.
    24. present: It tells recipients to "Protect yourself from cold", a protective action.
    25. present: It instructs to "Protect yourself from cold."
  • Timepresent25/25

    Final assessment

    Unanimous that a time window is present: "6PM Wed-6AM Sat".

    When the message applies. A timestamp, the word now or immediately, or a phrase like until further notice tells the reader whether the danger is current and how quickly to act.

    See all 25 individual reads
    1. present: It gives "6PM Wed-6AM Sat", a specific time window.
    2. present: It gives times, "6PM Wed-6AM Sat", conveying when.
    3. present: It states recency with "6PM Wed-6AM Sat", specific times and days.
    4. present: It gives "6PM Wed-6AM Sat", specific times and days.
    5. present: It gives the window "6PM Wed-6AM Sat", clock times and days.
    6. present: It states "6PM Wed-6AM Sat," specific times.
    7. present: It specifies "6PM Wed-6AM Sat", clock times and days.
    8. present: Gives "6PM Wed-6AM Sat", clock times and days.
    9. present: It gives times "6PM Wed-6AM Sat".
    10. present: It gives "6PM Wed-6AM Sat", specific times and days.
    11. present: It states "6PM Wed-6AM Sat", a specific time window.
    12. present: It states "6PM Wed-6AM Sat", specific times.
    13. present: It states "6PM Wed-6AM Sat", specific times and days.
    14. present: It states "6PM Wed-6AM Sat", specific days and times.
    15. present: It gives "6PM Wed-6AM Sat," specific times and days.
    16. present: It gives a timeframe, "6PM Wed-6AM Sat".
    17. present: It states the time window "6PM Wed-6AM Sat", specific times and days.
    18. present: It states "6PM Wed-6AM Sat", specific times and days.
    19. present: It gives a window, "6PM Wed-6AM Sat", conveying when.
    20. present: It states "6PM Wed-6AM Sat", specific times and days.
    21. present: It gives "6PM Wed-6AM Sat", specific times.
    22. present: It states "6PM Wed-6AM Sat", clock times and days.
    23. present: It specifies "6PM Wed-6AM Sat," a time window.
    24. present: It gives times "6PM Wed-6AM Sat", clock and day cues.
    25. present: It gives a window, "6PM Wed-6AM Sat."
  • Impactpresent25/25

    Final assessment

    Present by unanimous 25-0 read; the extreme cold warning conveys hazardous severity and danger to people beyond naming the condition.

    What the hazard could do to the people in its path. Beyond naming the threat, a complete warning conveys its potential consequences or severity, such as that a tornado can level buildings or that a leak could be explosive, so recipients grasp how much danger they are in. Research on warning message content finds that a concrete impact statement helps people personalize their risk and act sooner.

    See all 25 individual reads
    1. present: Warns of wind chill as low as -35 and to protect yourself from cold, conveying dangerous, harmful conditions.
    2. present: Warns of wind chill as low as -35 and instructs to protect yourself from cold, conveying life-threatening danger.
    3. present: Warns of wind chill as low as -35 and urges people to protect themselves from cold, conveying dangerous hazardous conditions.
    4. present: It warns of wind chill as low as -35 and tells people to protect themselves from cold, an explicit life-threatening hazard.
    5. present: It warns of wind chill as low as -35 and to protect yourself from cold, a stated dangerous condition.
    6. present: Warns of wind chill as low as -35 and to protect yourself from cold, a stated dangerous condition.
    7. present: It warns of wind chill as low as -35 and to protect yourself from cold which conveys dangerous severity.
    8. present: Warns of wind chill as low as -35 and to protect yourself from cold, conveying dangerous severity.
    9. present: Warns of wind chill as low as -35 and instructs people to protect themselves from the cold, a clear danger.
    10. present: The alert warns of wind chill as low as minus 35 and tells people to protect themselves from cold, conveying a dangerous life-threatening condition.
    11. present: Warns of wind chill as low as -35 and instructs to protect yourself from cold, conveying the dangerous severity.
    12. present: The warning cites wind chill as low as minus 35 and tells people to protect themselves from cold, a stated dangerous condition.
    13. present: The alert warns of wind chill as low as -35 and tells people to protect themselves, conveying a dangerous cold hazard.
    14. present: Warns of wind chill as low as -35 and tells people to protect themselves from the cold, conveying a dangerous condition.
    15. present: Warns of wind chill as low as -35 and to protect yourself from cold, conveying dangerous life-threatening conditions.
    16. present: The alert warns of wind chill as low as minus 35 and tells people to protect themselves from cold, conveying a life-threatening cold hazard.
    17. present: It warns of wind chill as low as minus 35 and tells people to protect themselves from cold, conveying dangerous conditions.
    18. present: The alert warns of wind chill as low as -35 and tells people to protect themselves from cold, conveying a life-threatening hazard severity.
    19. present: It warns of wind chill as low as -35 and tells people to protect themselves from cold, conveying a dangerous life-threatening condition.
    20. present: Warns of wind chill as low as -35 and tells people to protect themselves from the cold, conveying a clear danger.
    21. present: Warns of wind chill as low as -35 and to protect yourself from cold which conveys a stated dangerous severity.
    22. present: Warns of wind chill as low as -35 and to protect yourself from cold, conveying a life-threatening hazard.
    23. present: Warns of wind chill as low as -35 and to protect yourself from cold, conveying a dangerous condition.
    24. present: The alert warns of wind chill as low as minus 35 and tells people to protect themselves from the cold, conveying a dangerous severity.
    25. present: Warns of wind chill as low as minus 35 and to protect yourself from cold, a stated life-threatening hazard.

Coded by Claude Opus 4.8

Systematic AI judgments with visible reasoning, not human-validated codings.

About this analysis
Context

Background

The University of Iowa is a public R1 doctoral institution in Iowa City, with about 31,000 students. On the evening of January 20, 2025, UI published a Hawk Alert for an NWS Extreme Cold Warning in effect midnight through noon Tuesday, Jan. 21, with wind chills as low as -30. The official archive title is the full SMS text. Two other messages previously attached to this case match archive entries from December 2022 and January 2024 and have been demoted. Iowa's permanent Hawk Alert archive at emergency.uiowa.edu provides dated public titles for recovery.
Analysis

Key Findings

Only the Jan. 21 Extreme Cold Warning Hawk Alert is character-perfect confirmed against the official archive for this case window
Two previously confirmed alerts in this file were demoted after archive dates showed they belong to 2022 and 2024 events
Iowa's Hawk Alert Archive titles reproduce full SMS text and must be matched by incident date, not only by wording similarity
Outcome
The Extreme Cold Warning expired with a Cold Weather Advisory remaining into Jan. 22. No campus-wide operations change was announced in the confirmed Jan. 21 Hawk Alert sequence. Other unconfirmed messages in this file may reflect different winter events and should not be cited as January 2025 SMS.
Provenance

Sources

Every claim on this page is meant to be checkable. Open the links below (and the Verify this quote control under each confirmed alert) to read the original university, news, or archive page yourself. Hostnames are shown so you can see where you are going; archived copies survive when live pages move or disappear. See also our methodology.

  1. Official
    HAWK ALERT: Winter Storm Warning 6PM Wed-6AM Sat (UI Emergency Updates)
    emergency.uiowa.edu
    archived copy
  2. Official
    Hawk Alert: University adjusting classroom instruction on 1/16 (UI Emergency Updates)
    emergency.uiowa.edu
    archived copy
  3. Official
    HAWK ALERT: NWS Extreme Cold Warning in effect midnight through noon Tuesday, Jan. 21 (UI Emergency Updates)
    emergency.uiowa.edu
    archived copy
  4. Official
    Winter Weather Safety Reminders (UI Campus Safety)
    safety.uiowa.edu
    archived copy
  5. Official
    Reminder: Preparing for Extreme Weather (UI Campus Safety)
    safety.uiowa.edu
    archived copy
  6. Official
    Hawk Alert (UI Department of Public Safety)
    police.uiowa.edu
    archived copy
Cite this case

Campus Alert Archive. "University of Iowa: Extreme cold with wind chills near -35 moved most classes online." Incident of January 15, 2025. Added May 2026; last updated July 2026. https://campusalertarchive.com/case/university-of-iowa-extreme-cold-warning-2025-01-15/

Download case JSON

Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.

Tags
winter-stormextreme-coldiowapublic-r1hawk-alertwind-chillverbatimfrostbitezoom-classes
Added May 2026Updated July 2026Via ingestion