U.S. Virgin Islands, 2015

Flash Flooding in U.S. Virgin Islands, February 14, 2015

February 14, 2015 · NWS SJU · 5 events in 1 county or zone

A surface trough induced by the remnants of a shear line affected the region. Flash flood warnings and urban and small stream advisories were issued for the area due to rainfall accumulations of over 9 inches.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS SJU wrote it up.

A surface trough induced by the remnants of a shear line affected the region. Flash flood warnings and urban and small stream advisories were issued for the area due to rainfall accumulations of over 9 inches.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Juan, PR wrote its last area forecast discussion before the first event at Feb 14, 6:13 AM AST, 47 minutes earlier.

Area forecast discussion, Feb 14, 6:13 AM AST, 47 minutes before
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Hazardous weather outlook, Feb 14, 5:58 AM AST, 1 hour 2 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 flash flood. Local standard time, as filed.

Flash Flood, St. Thomas

When
February 14, 7:00 AM AST to 11:15 AM AST
Where
St. Thomas County, 3.6 mi WSW of St Thomas to 2.44 mi WSW of St Thomas
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
18.337, -64.983

Cyril E. King airport tower personnel reported two taxi ways flooded as well as several roads around the airport.

Flash Flood, St. Thomas

When
February 14, 7:00 AM AST to 11:15 AM AST
Where
St. Thomas County, 1.18 mi WNW of St Thomas to 0.97 mi WNW of St Thomas
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
18.357, -64.947

Electrical pole fell down and mudslide were reported at Crown area.

Flash Flood, St. Thomas

When
February 14, 7:00 AM AST to 11:15 AM AST
Where
St. Thomas County, 1.61 mi WSW of St Thomas to 1.24 mi WSW of St Thomas
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
18.339, -64.952

Stuck vehicle in a flooded road at Altona.

Flash Flood, St. Thomas

When
February 14, 7:00 AM AST to 11:15 AM AST
Where
St. Thomas County, 0.25 mi W of St Thomas to 0.17 mi W of St Thomas
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
18.350, -64.934

VITEMA operator informed one unit of home apartments flooded at Clearview.

Flash Flood, St. Thomas

When
February 14, 7:26 AM AST to 11:15 AM AST
Where
St. Thomas County, 3.58 mi WSW of St Thomas to 2.25 mi WSW of St Thomas
Cause
Heavy Rain
Reported by
Other Federal Agency
Coordinates
18.338, -64.983

FAA tower personnel reported taxi ways at airport are flooded. Over 10.94 inches fell in the last 13 hours.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in U.S. Virgin Islands in 2015Every state in 2015This day in weather historyWarnings in U.S. Virgin Islands, February 2015

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 560639, 560648, 560654, 560655, 560649.