ALL CLEAR. The Tornado Warning is no longer in effect for the Columbia campus

To check this alert, Claude Opus 5 (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.

• Sourcepresent25/25

  Final assessment

  Present, 25 of 25. The "Carolina Alert:" header is reinforced by a named contact, "the USC Police Department at 803-777-4215".

  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 "Carolina Alert" tag plus the named USC Police Department identify the sender.
  2. present: It is headed "Carolina Alert" and gives a contact number for "the USC Police Department".
  3. present: The "Carolina Alert:" header plus the "USC Police Department" identify the sender.
  4. present: It carries the "Carolina Alert" signature and names the USC Police Department.
  5. present: The "Carolina Alert:" header plus the USC Police Department identify the sender.
  6. present: It carries the "Carolina Alert" signature and names the USC Police Department with a phone number.
  7. present: The branded "Carolina Alert" tag plus the "USC Police Department" identify the sender.
  8. present: The branded "Carolina Alert" signature plus the USC Police Department identify the source.
  9. present: The branded "Carolina Alert:" tag opens the message and USC Police are named.
  10. present: Signed "Carolina Alert" and referencing the USC Police Department with its phone number.
  11. present: The branded tag "Carolina Alert" plus the USC Police Department identifies the source.
  12. present: It is signed "Carolina Alert" and names the USC Police Department.
  13. present: The branded "Carolina Alert" tag plus the USC Police Department identify the sender.
  14. present: It carries the "Carolina Alert" tag and names the "USC Police Department".
  15. present: "Carolina Alert:" heads the message and the USC Police Department is named.
  16. present: "Carolina Alert" signs it and the USC Police Department is named with a phone number.
  17. present: It is signed "Carolina Alert" and names the USC Police Department.
  18. present: It carries the "Carolina Alert" signature and names the USC Police Department.
  19. present: Carolina Alert signs the message and the USC Police Department is named with its number.
  20. present: The branded "Carolina Alert" tag opens the message, plus the USC Police Department.
  21. present: Branded "Carolina Alert" and names the USC Police Department for reporting damage.
  22. present: The branded "Carolina Alert:" tag plus the named USC Police Department identify the source.
  23. present: It is branded "Carolina Alert" and names "the USC Police Department".
  24. present: It carries the "Carolina Alert" branded signature and names the USC Police Department.
  25. present: It carries the "Carolina Alert" signature and names the USC Police Department.
• Hazardpresent25/25

  Final assessment

  Present, 25 of 25. Unlike the other Carolina all clears, this one names its hazard: "The Tornado Warning is no longer in effect".

  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: The hazard is named specifically as a Tornado Warning that is now lifted.
  2. present: The hazard is named as a "Tornado Warning" now lifted.
  3. present: It names a "Tornado Warning" as the hazard now lifted.
  4. present: The named threat is the "Tornado Warning" now being lifted.
  5. present: It refers to a "Tornado Warning" that was in effect, a specific weather threat.
  6. present: The hazard is identified as a "Tornado Warning" that has now ended.
  7. present: It names the "Tornado Warning" that has just expired for the campus.
  8. present: It names a "Tornado Warning" as the hazard now lifted.
  9. present: It refers specifically to a "Tornado Warning" that has now lapsed.
  10. present: It names a "Tornado Warning", a specific weather hazard, now lifted.
  11. present: It names the "Tornado Warning" that is being lifted.
  12. present: The named hazard is a "Tornado Warning" that has now lapsed.
  13. present: It names a "Tornado Warning" that has now lapsed, a specific hazard.
  14. present: The hazard named is a "Tornado Warning" now lifted.
  15. present: It refers specifically to "The Tornado Warning" that has now lapsed.
  16. present: The hazard is a Tornado Warning, now lifted for the campus.
  17. present: It refers specifically to "the Tornado Warning" that has now lapsed.
  18. present: It refers specifically to "The Tornado Warning", a named weather threat.
  19. present: The hazard referenced is a Tornado Warning now lifted.
  20. present: It names the "Tornado Warning" that has now expired, a specific hazard.
  21. present: Refers specifically to "the Tornado Warning" that had been in effect.
  22. present: It names the "Tornado Warning" that has now expired, a specific weather hazard.
  23. present: The hazard referenced is a "Tornado Warning" now lifted.
  24. present: It refers specifically to "the Tornado Warning", a named weather threat.
  25. present: It refers to "The Tornado Warning", a specific named weather threat now lifted.
• Locationpresent25/25

  Final assessment

  Present, 25 of 25. The lift applies to "the Columbia campus", with the damage instruction pointing to "the damaged area" there.

  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. present: It applies to "the Columbia campus" and mentions any damaged area there.
  2. present: The warning applied to "the Columbia campus", a named place.
  3. present: It applies to "the Columbia campus" and any damaged area.
  4. present: It applies to "the Columbia campus" and any "damaged area".
  5. present: The area named is "the Columbia campus" and any damaged areas on it.
  6. present: It applies to "the Columbia campus" and any damaged areas found there.
  7. present: The area is "the Columbia campus", a specific place.
  8. present: It applies to "the Columbia campus".
  9. present: The area is "the Columbia campus", with damaged areas mentioned.
  10. present: The warning applied to "the Columbia campus", a named place.
  11. present: It applies to "the Columbia campus" and any damaged areas there.
  12. present: It applies to "the Columbia campus".
  13. present: The area is "the Columbia campus".
  14. present: It applies to "the Columbia campus" and any damaged area found.
  15. present: It covers "the Columbia campus" and any damaged areas there.
  16. present: It applies to "the Columbia campus" and any damaged area found.
  17. present: The warning applied to "the Columbia campus," a named place.
  18. present: The area is "the Columbia campus".
  19. present: It applies to the Columbia campus and any damaged area.
  20. present: It applies to "the Columbia campus" and any damaged area found there.
  21. present: Applies to "the Columbia campus" and any damaged areas there.
  22. present: The warning area is "the Columbia campus".
  23. present: It applies to "the Columbia campus".
  24. present: The warning area is "the Columbia campus".
  25. present: It applies to "the Columbia campus" and any "damaged area" found there.
• Guidancepresent25/25

  Final assessment

  Present, 25 of 25. It both releases and directs: "Individuals may exit their sheltering location" and, if damage is found, "avoid the damaged area and report that information".

  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 says individuals may exit sheltering and to "avoid the damaged area and report that information".
  2. present: It says "Individuals may exit their sheltering location" and to "avoid the damaged area" if damage is found.
  3. present: It tells people they may exit shelter, to "avoid the damaged area" and report damage.
  4. present: It tells people they "may exit their sheltering location" and to "avoid the damaged area and report".
  5. present: It tells people they may leave shelter and to "avoid the damaged area and report that information".
  6. present: People "may exit their sheltering location" and are told to avoid damaged areas and report them.
  7. present: It says individuals "may exit their sheltering location" and to "avoid the damaged area and report".
  8. present: It tells people they "may exit their sheltering location" and to "avoid the damaged area" and report damage.
  9. present: It tells people they "may exit their sheltering location" and to avoid damaged areas and report them.
  10. present: It tells people they may leave shelter and to "avoid the damaged area and report" damage.
  11. present: People "may exit their sheltering location" and should avoid damaged areas and report them.
  12. present: It tells people they may exit shelter and to "avoid the damaged area and report that information".
  13. present: It tells people they may leave shelter and to "avoid the damaged area and report that information".
  14. present: People "may exit their sheltering location" and should avoid and report damaged areas.
  15. present: It says individuals "may exit their sheltering location" and to "avoid the damaged area".
  16. present: People may exit shelter but should "avoid the damaged area and report that information."
  17. present: People may "exit their sheltering location" and should "avoid the damaged area" and report damage.
  18. present: It says people "may exit their sheltering location" and to "avoid the damaged area and report" damage.
  19. present: People may exit sheltering locations and are told to avoid damaged areas and report them.
  20. present: People "may exit their sheltering location" and should "avoid the damaged area and report" it.
  21. present: Tells people they "may exit their sheltering location" and to "avoid the damaged area and report" it.
  22. present: It says people "may exit their sheltering location" and to "avoid the damaged area and report" it.
  23. present: It says people "may exit their sheltering location" and to avoid and report any damaged area.
  24. present: It says individuals "may exit their sheltering location" and to avoid and report any damaged area.
  25. present: It tells people they "may exit their sheltering location" and to avoid and report damaged areas.
• Timeabsent9/25

  Final assessment

  Absent, 9 of 25. A substantial minority counted "is no longer in effect" as a timing cue, but the majority is right that no clock time, date or recency word is given.

  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: "No longer in effect" conveys the current status of the warning relative to now.
  2. absent: No clock time or date is given, only that the warning "is no longer in effect".
  3. absent: No clock time or date is given, only that the warning has ended.
  4. absent: It states the warning is "no longer in effect" but gives no clock time or date.
  5. absent: It says the warning is "no longer in effect" but gives no clock time or date.
  6. absent: The text gives no clock time or date, only that the warning has ended.
  7. absent: It says the warning "is no longer in effect" but gives no clock time, date or recency word.
  8. present: "no longer in effect" conveys the current status and timing of the lift.
  9. present: "is no longer in effect" states the warning's current status in time.
  10. absent: No clock time or date is given, only that the warning is no longer in effect.
  11. absent: No clock time or date is given, only that the warning is no longer in effect.
  12. present: "is no longer in effect" conveys the current status of the warning period.
  13. absent: It gives no clock time or date, only that the warning is no longer in effect.
  14. absent: It says the warning is "no longer in effect" but gives no time or date.
  15. present: "The Tornado Warning is no longer in effect" conveys current status as of now.
  16. absent: No clock time or date is given, only that the warning is no longer in effect.
  17. absent: No clock time or date is given, only that the warning is no longer in effect.
  18. absent: It says the warning is "no longer in effect" but gives no clock time or date.
  19. absent: It says the warning is no longer in effect but gives no clock time or date.
  20. present: "The Tornado Warning is no longer in effect" conveys current status and recency.
  21. present: Says the warning "is no longer in effect", a present status cue.
  22. present: "The Tornado Warning is no longer in effect" conveys present status and recency.
  23. absent: It says the warning is "no longer in effect" but gives no clock time or date.
  24. absent: No clock time or date is given, only that the warning is no longer in effect.
  25. present: "no longer in effect" conveys present status, a recency cue about when this applies.
• Impactabsent7/25

  Final assessment

  Absent, 7 of 25. Seven reads took the damage instruction as implied severity, yet damage is raised only conditionally, "If damage is found", with no consequence stated.

  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. absent: It anticipates possible damage but states no consequence or severity of the tornado threat.
  2. present: Referring to finding and reporting damage conveys that the tornado could have caused destruction.
  3. present: The instruction about damage found implies the tornado could have caused destruction.
  4. absent: Damage is mentioned only conditionally, with no statement of severity or harm.
  5. absent: Possible damage is referenced only conditionally, without stating severity or harm to people.
  6. absent: It mentions finding damage but never states what the tornado could have done or how dangerous it was.
  7. absent: Damage is raised only conditionally for reporting, without describing severity or harm.
  8. absent: Beyond referring to possible damage, it states no severity or consequence of the tornado.
  9. absent: Beyond a passing mention of possible damage, no severity or harm is conveyed.
  10. absent: It mentions the possibility of damage being found but describes no danger or severity.
  11. absent: Damage is mentioned only conditionally after the fact, with no severity statement.
  12. absent: Damage is referenced only as something to look for, with no severity stated.
  13. present: By anticipating that "damage is found" it conveys the destructive harm the tornado could cause.
  14. absent: Damage is mentioned only conditionally, without stating the tornado's potential harm.
  15. absent: It mentions possible damage only in passing, without stating severity or harm to people.
  16. present: It anticipates that damage may be found, conveying the storm's destructive potential.
  17. absent: Damage is mentioned as a possibility to report, not as a stated severity of the threat.
  18. absent: Damage is mentioned only conditionally for reporting, with no statement of severity or harm.
  19. absent: No statement of what the tornado could do or its severity is offered.
  20. present: Its damage reporting instruction implies the storm could have caused physical damage.
  21. absent: Mentions damage only conditionally and does not state severity or harm to people.
  22. absent: Only a conditional mention of damage appears, without stating severity or harm.
  23. present: Telling people to avoid damaged areas conveys that the tornado could have caused damage.
  24. present: The line "If damage is found, avoid the damaged area" conveys that the tornado could have caused damage.
  25. absent: Beyond the conditional mention of damage, no harm or severity from the tornado is stated.