From October 1 through October 5, 2015, moisture from Hurricane Joaquin combined with a stalled atmospheric low to dump unprecedented rainfall on coastal South Carolina — a peak total of 26.88 inches near Mount Pleasant, exceeding the threshold for a 1-in-1,000-year event. On October 3, the Charleston Historic District was brought to a virtual standstill with most roads closed by floodwater. The College of Charleston, whose downtown campus sits inside the Historic District, closed for the entire week of October 5, 2015 alongside multiple South Carolina school districts and colleges. The case is significant because the threat was not the named storm itself but the rainfall it indirectly produced — a recurring pattern in modern Atlantic-tropical-cyclone impacts on US universities.
Alerts
4
Response
min
Killed
0
Injured
0
Institution
College of Charleston
Public Masters · SC
~11,000 studentsCofC 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 reconstruction·547 chars
[CofC Alert: The National Weather Service has issued a Flash Flood Watch and a Coastal Flood Warning for Charleston County. Heavy rainfall is expected through Sunday from the combined effects of Hurricane Joaquin offshore and a stalled atmospheric low. Classes for Friday, October 2 have been dismissed early; Monday October 5 classes are canceled. Students living off campus in flood-prone areas should evacuate to higher ground. On-campus residents: shelter in residence halls. Avoid all unnecessary travel; do not drive through standing water.]
This text has been reconstructed from news coverage and may not reflect the exact original wording.
The College of Charleston used CofC Alert (a Rave-platform system) for both SMS and email on October 2, 2015
Mainland-impact warnings for Joaquin focused not on direct landfall (Joaquin tracked offshore) but on the combined-rain scenario — an early example of compound-flood institutional messaging
The College of Charleston downtown campus is within the historic city core, multiple blocks of which sit at or below 5 feet above mean sea level
UPDATESMS+1d
Approximate reconstruction·276 chars
CofC Alert: Catastrophic flooding in Charleston Historic District. Most downtown streets impassable. Campus closed through at least Wednesday Oct 7. Do NOT come to campus. On-campus residents: stay sheltered. Conserve water; municipal supply may be affected. Updates: cofc.edu
This text has been reconstructed from news coverage and may not reflect the exact original wording.
By October 4, 2015 multiple Charleston-area dams had failed or were at risk; Charleston water utility service was disrupted in some neighborhoods
The 'do NOT come to campus' phrasing reflected the closure of bridges and roads connecting the College of Charleston downtown campus to its James Island and West Ashley student-population centers
Closure was initially through October 7, 2015 and was extended as conditions worsened; the College ultimately remained closed through the rest of the week
UPDATEEmail
Approximate reconstruction·476 chars
[CofC Alert: The College of Charleston will remain closed through Friday, October 9, 2015. Classes will resume Monday, October 12. The college is working with peer institutions and the South Carolina Commission on Higher Education on academic-calendar adjustments. Faculty: extend assignment deadlines and adjust course schedules as needed. Counseling resources are available through the CARE Team for students affected by the flood. Continue to monitor cofc.edu for updates.]
This text has been reconstructed from news coverage and may not reflect the exact original wording.
The College of Charleston ultimately closed for five full instructional days (October 5 through October 9, 2015) — among the longest weather-related closures in modern CofC history
Faculty calendar adjustments were managed through the Office of Academic Affairs rather than through a formal calendar change
The 2015 flood directly motivated CofC's investment in additional flood-mitigation infrastructure and in expanded CARE Team capacity
ALL CLEARSMS+9d
Approximate reconstruction·229 chars
CofC Alert: Campus reopens today, Mon Oct 12. Classes resume regular schedule. Some buildings still under water remediation; check email for room reassignments. Avoid blocked-off streets in downtown core. Welcome back. Stay safe.
This text has been reconstructed from news coverage and may not reflect the exact original wording.
The October 12, 2015 reopening came after 5 full instructional days of closure plus a weekend
Some downtown CofC buildings required several additional weeks of water-remediation work; classroom reassignments were managed building-by-building
The reopening was earlier than initially planned; multiple academic departments had argued for an additional closure day, but the administration prioritized academic-calendar continuity
Context
Background
The October 2015 South Carolina floods were the worst in state history. As Hurricane Joaquin tracked offshore through the Bahamas in late September and early October 2015, moisture from the storm combined with a stalled atmospheric low to dump record rainfall across South Carolina — peak totals of 26.88 inches near Mount Pleasant, more than 15 inches across the Lowcountry, and amounts that exceeded the threshold for a 1-in-1,000-year rainfall event. The College of Charleston's downtown campus sits inside the Charleston Historic District, much of it at or below 5 feet above mean sea level. As Charleston flooded, the College of Charleston was among the South Carolina colleges and school districts that closed for the week of October 5, 2015 — its longest weather-related closure in modern history. CofC Alert messages directed students NOT to come to campus, warned of municipal water-supply disruption, and tracked the extension of the closure as conditions worsened. The college reopened October 12, 2015. Statewide, the floods caused 19 deaths and over $1.5 billion in damage, with multiple dam failures and the inundation of large parts of Columbia and the Lowcountry. The College of Charleston case is significant for the archive because (1) it documents one of the most prolonged weather closures in modern South Carolina higher-education history, (2) the threat was not the named storm itself but the rainfall it indirectly produced — an increasingly common compound-flood pattern, and (3) the closure required coordinated academic-calendar judgment in the absence of a formal state directive.
Analysis
Key Findings
01October 2015 brought a 1-in-1,000-year rainfall event to South Carolina; peak totals near Mount Pleasant reached 26.88 inches, with statewide damage over $1.5 billion and 19 deaths
02The College of Charleston closed for five full instructional days (October 5-9, 2015) — among the longest weather-related closures in modern CofC history
03The threat was not Hurricane Joaquin's direct landfall (Joaquin tracked offshore) but rainfall amplified by a stalled atmospheric low — an increasingly common compound-flood pattern
04CofC's downtown campus sits within the Charleston Historic District, much of it at or below 5 feet above mean sea level — exposing it to acute flood risk
05The 2015 flood directly motivated additional CofC investment in flood-mitigation infrastructure and CARE Team capacity for student support
Outcome
College of Charleston closed October 5-9, 2015 due to unprecedented flooding throughout the Charleston Historic District. No reported injuries or fatalities at the college. Multiple campus buildings sustained water intrusion; basements and lower-level mechanical rooms were flooded across the historic downtown core. The college reopened October 12, 2015. The 2015 South Carolina floods caused 19 deaths statewide, dam failures, and over $1.5 billion in damage. CofC's response is documented in subsequent emergency-management revisions and an academic-calendar adjustment.