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St. Thomas Island, U.S. Virgin Islands severe weather history spans 66 recorded events between 1998 and 2024. The dominant hazard is flash flood, accounting for 37.9% of all recorded events. It ranks #3,002 nationally and #2 in U.S. Virgin Islands.
66
Recorded events
0
Direct deaths
0
Direct injuries
$97K
Property damage
The record
What the St. Thomas Island, U.S. Virgin Islands severe weather history record shows
Across the archive, St. Thomas Island, U.S. Virgin Islands severe weather history averages 2.5 recorded events a year. The busiest stretch on record is the 2010s, with 35 events logged in that decade alone.
The costliest is flash flood, with $66K in reported property damage. In total, 5 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in St. Thomas Island
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Flash Flood | 25 | 0 | $66K | 0 | 1998–2024 |
| Flood | 15 | 0 | $0 | 0 | 1998–2020 |
| Heavy Rain | 11 | 0 | $0 | 0 | 2008–2015 |
| Waterspout | 10 | 0 | $0 | 0 | 1998–2000 |
| Thunderstorm Wind | 5 | 0 | $31K | 46 | 1998–2013 |
Decade by decade
St. Thomas Island, U.S. Virgin Islands severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A strong thunderstorm affected the center of Saint Thomas from Drake's Passage to Mountain Top. Several power and street light poles downed, street lights damaged, trees and branches down, and a couple of small mudslides.
Heavy rains affected Saint Thomas during the late afternoon causing urban and street flooding. The Cyril King airport ASOS measured 1.06 inches of rainfall. A wind gust of 38 mph from the west southwest was recorded during this heavy rain period.
Heavy rain fell over Saint Thomas on Monday afternnon. A daily maximum rainfall of 1.95 inches was recorded at the King Airport, breaking the old daily record of 1.17 inches set back in 1958. Gusty southwest winds reaching 40 mph were recorded during this period of heavy rain.
Context
Risk, population and federal disasters
Insufficient Data
FEMA NRI risk rating
28
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Oct 25, 2024 | Tropical Storm | TROPICAL STORM ERNESTO | DR |
| Aug 18, 2024 | Tropical Storm | TROPICAL STORM ERNESTO | EM |
| Jul 29, 2020 | Hurricane | POTENTIAL TROPICAL CYCLONE NINE | EM |
| Apr 2, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Aug 28, 2019 | Hurricane | HURRICANE DORIAN | EM |
Within the county
Most affected places
- St Thomas 150
Quick answers
Frequently asked
How many severe weather events have been recorded in St. Thomas Island, U.S. Virgin Islands?
66 events are on record between 1998 and 2024, causing 0 direct deaths and $97K in property damage.
What is the most common severe weather hazard in St. Thomas Island?
Flash Flood, with 25 recorded events — 37.9% of everything in the archive for this county.
How many federal disaster declarations cover St. Thomas Island?
28 federal disaster declarations from FEMA include St. Thomas Island, each tied to a specific incident period.
How risky is St. Thomas Island compared with the rest of the country?
FEMA's National Risk Index rates St. Thomas Island as insufficient data risk, placing it in the 0 percentile of its state for expected annual loss.
Where does the St. Thomas Island, U.S. Virgin Islands severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
Cite this page
“St. Thomas Island, U.S. Virgin Islands.” Severe Weather History. severeweatherhistory.com/county/us-virgin-islands/st-thomas-island/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.