Beginning the morning of February 15, 2021, Winter Storm Uri dropped Houston into a five-day freeze that knocked out power to 91 percent of Harris County residents for an average of 49 hours. The University of Houston closed its main and satellite campuses through Saturday, February 20, suspended all in-person and online instruction, and warned residential students of the citywide boil-water notice that affected more than 13 million Texans. UH-affiliated MD Anderson and UTHealth campuses also paused operations including vaccination clinics.
14 messages in sequence · 12 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.
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This message is documented at this point in the sequence, but its exact wording is not preserved in the public record. The public edition displays only confirmed alert text.
This message is documented at this point in the sequence, but its exact wording is not preserved in the public record. The public edition displays only confirmed alert text.
To check this alert, Claude (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.
UH is moving to remote operations Mon-Tue. See www.uh.edu/emergency
Final assessment
Most reads accept 'UH' as identifying the University of Houston as sender; a minority found no clear authority named in this brief message.
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.
Final assessment
Unanimous agreement no specific hazard is named, only that operations are moving remote, with no reason given.
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.
Final assessment
Unanimous agreement no specific location is given in this message.
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.
Final assessment
Unanimous agreement the message states an operational status change with no protective action instructed to recipients.
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.
Final assessment
Unanimous agreement the message gives specific days: Mon-Tue.
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.
Final assessment
Unanimous agreement no consequence or severity is 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.
Systematic AI judgments with visible reasoning, not human-validated codings.
About this analysisEvery 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.
Campus Alert Archive. "University of Houston: Campus closes for a week and a citywide boil-water notice follows a severe winter storm." Incident of February 15, 2021. Added May 2026; last updated July 2026. https://campusalertarchive.com/case/university-of-houston-winter-storm-uri-2021-02-15/
Alert text quoted on this page remains the work of the issuing institution; the archive is a secondary source.