Campus Alert Archive
UF

17 of 38 Incidents: How Hurricane Irma Became the Single Largest Year in UF Alert History

FLhurricaneemergency notificationhigh confidence
Confirmed Threat

Beginning Thursday, September 7, 2017, the University of Florida issued the first of a multi-day cascade of UF Alerts as Hurricane Irma — at the time the strongest Atlantic hurricane ever recorded outside the Caribbean and Gulf — approached Florida. UF closed its Gainesville campus Sunday, September 10 through Wednesday, September 13. According to the UF Alert 2017 After-Action Report, Irma accounted for 17 of 38 incidents and 27 of 72 messages issued through the UF Alert system in 2017 — nearly 38 percent of the entire year's alert volume.

Alerts
4
Response
—
Killed
—
Injured
—
Institution
University of Florida
Public R1 · FL
~52,400 studentsUF Alert
Confirmed Timeline

Alert Sequence

4 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTEmail
Approximate reconstructionReconstructed from UF News announcement of Sunday-Monday closure issued September 7, 2017535 chars
UF Alert: Due to the threat of Hurricane Irma, the University of Florida main campus in Gainesville will be closed Sunday, September 10 and Monday, September 11. Only essential personnel are required to report to work. UF Health Shands Hospital will remain open. Classes are canceled. Residence halls remain open and will continue to operate. Students who choose to evacuate should follow their individual plans. Students remaining on campus should monitor UF Alert at ufalert.ufl.edu for updates. The Information line is 866-UF-FACTS.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

First in the 27-message UF Alert sequence on Hurricane Irma — the largest single-incident campaign in the history of UF Alert as of the 2017 After-Action Report
Identifies UF Health Shands Hospital exception — a recurring feature of UF hurricane alerts because the academic medical center cannot close
The 866-UF-FACTS information line (866-833-2287) is the standard UF emergency information number activated for hurricane and pandemic events
UPDATESMS+1d
Approximate reconstructionReconstructed from UF Alert archive entry dated September 9, 2017236 chars
UF Alert: Due to the forecast of Hurricane Irma, the University of Florida main campus in Gainesville will also be closed Tuesday, September 12. Classes are suspended through Wednesday, September 13. Continue to monitor ufalert.ufl.edu.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The September 9 extension was driven by Irma's track shift further west, which exposed the Florida peninsula and the Gainesville area to a longer period of tropical-storm-force winds
UF Alert archive numbering — '/uf-alert-167/' — places this message as the 167th of 2017, illustrating the volume Irma generated
SMS-format brevity here reflects the 160-character constraint; the longer email version included shelter information and resource phone numbers
UPDATESMS+2d
Approximate reconstructionReconstructed from UF Alert 2017 After-Action Report description of the September 10 shelter-in-place message sequence312 chars
UF Alert: Hurricane Irma approaching North Central Florida. Tropical-storm-force winds expected to arrive in Gainesville this evening. Residential students should remain in residence halls. Off-campus students should shelter in place at their current location. Do not travel. Continue to monitor ufalert.ufl.edu.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Shelter-in-place messaging during Irma was sent in advance of tropical-storm-force winds rather than simultaneous with them — a deliberate emergency-management choice to give students preparation time
Off-campus messaging is a recurring weak point for UF hurricane alerts because the system reaches enrolled students but not visitors or non-affiliates
The Sunday September 10 timing coincided with Irma's second Florida landfall at Marco Island as Category 3 at 3:35 PM EDT
ALL CLEAREmail+5d
Approximate reconstructionReconstructed from UF Statements archive — Thursday September 14 resumption announcement issued late afternoon September 13325 chars
UF Alert: The University of Florida main campus in Gainesville will resume normal operations on Thursday, September 14. Classes will resume on Thursday. Faculty are asked to be flexible with students whose travel or housing was affected by Hurricane Irma. UF Alert at ufalert.ufl.edu will return to standard operating status.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The faculty flexibility language is a UF hurricane-alert standard, repeated verbatim in subsequent UF Alerts for Hurricane Michael (2018), Dorian (2019), Ian (2022), Helene (2024), and Milton (2024)
Wednesday afternoon reopen-Thursday timing — '15 hours notice' — is the shortest reopening notice UF issues; faster than the typical 24-48 hour notice for major hurricanes
The After-Action Report identified the September 13 message as the closing message of the Irma incident sequence — message 27 of 27
Context

Background

Hurricane Irma was a Category 5 Atlantic hurricane that struck the Florida Keys on September 10, 2017 as a Category 4 (130 mph at Cudjoe Key, 9:10 AM EDT) and made a second landfall at Marco Island as Category 3 the same afternoon (115 mph at 3:35 PM EDT). At the time it was the most intense Atlantic hurricane to strike the United States since Wilma in 2005 and prompted the largest mandatory evacuation in Florida history — approximately 6.5 million Floridians under evacuation orders. Governor Rick Scott directed all public K-12 schools, state colleges, state universities, and state offices to close from Friday September 8 through Monday September 11 to ensure shelter capacity. The University of Florida — the state's flagship public R1 in Gainesville — extended its closure through Wednesday, September 13. According to the UF Alert 2017 After-Action Report, Hurricane Irma response 'directly accounted for seventeen of the thirty-eight incidents issued, with twenty-seven of the seventy-two messages associated with the hurricane, representing nearly thirty-eight percent of all UF Alerts sent during 2017.' This makes Irma the single largest emergency-notification campaign in the history of UF Alert through at least 2024. UF Health Shands Hospital remained open throughout — a recurring exception in UF hurricane planning because the academic medical center serves as a regional Level-I trauma referral center. The Gainesville area received tropical-storm-force winds Sunday evening September 10 through Monday morning September 11, with widespread tree damage but minimal structural impact on UF buildings. UF resumed normal operations Thursday, September 14. The Irma response established the UF Alert template later used for Hurricane Michael in 2018, Hurricane Dorian in 2019, Hurricane Ian in 2022, and the Helene/Milton sequence in 2024 — most notably the practice of including UF Health Shands as a perpetual exception, the 866-UF-FACTS information line activation, and the 'faculty flexibility' closing language.
Analysis

Key Findings

Hurricane Irma response accounted for 17 of 38 incidents and 27 of 72 messages issued through UF Alert in 2017 — nearly 38 percent of the entire year's alert volume
UF closed its Gainesville campus Sunday, September 10 through Wednesday, September 13, 2017
Irma made its first Florida landfall at Cudjoe Key as Category 4 (130 mph) at 9:10 AM EDT on September 10 and second landfall at Marco Island as Category 3 (115 mph) at 3:35 PM EDT the same day
UF Health Shands Hospital remained open throughout — a recurring exception in UF hurricane planning
The Irma response established the UF Alert template later used for Michael (2018), Dorian (2019), Ian (2022), and Helene/Milton (2024)
The closing 'faculty flexibility' language from the September 13 reopening message has been repeated verbatim in subsequent UF hurricane alerts through 2024
Provenance

Sources

  1. Official
    UF Alert » Alert » University of Florida (Archive)
    ufalert.ufl.edu
  2. Official
    UF Alert Summary & After Action Report 2017
    ufalert.ufl.edu
  3. Official
    September - Hurricane Irma - Statements - University of Florida
    statements.ufl.edu
  4. Official
    University of Florida announces closures Sunday and Monday due to threat of Hurricane Irma (UF News)
    news.ufl.edu
  5. encyclopedia
    Hurricane Irma (Wikipedia)
    en.wikipedia.org
  6. government
    NATIONAL HURRICANE CENTER TROPICAL CYCLONE REPORT HURRICANE IRMA (AL112017)
    nhc.noaa.gov
Tags
hurricanehurricane-irmacampus-closurefloridagainesvilleuf-alertafter-action-report2017-hurricane-seasonshelter-in-placepublic-r1shands-hospital
Added May 2026Updated May 2026Via ingestion