Delaware, 1999

Damaging Wind in Delaware, February 12, 1999

February 12, 1999 · NWS PHI · 1 event in 1 county or zone

A squall line of strong to locally severe thunderstorms moved through Sussex County and knocked down several trees and power lines in and around Georgetown. An unseasonably warm air mass and a strong cold front conspired to produce a line of strong to locally severe thunderstorms across southern Delaware.

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
1

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 PHI wrote it up.

A squall line of strong to locally severe thunderstorms moved through Sussex County and knocked down several trees and power lines in and around Georgetown. An unseasonably warm air mass and a strong cold front conspired to produce a line of strong to locally severe thunderstorms across southern Delaware. Preceding this line, the high temperature soared to 70 degrees in Georgetown.

The radar

The Dover AFB radar (KDOX), 17 km away, was scanning. The volume nearest the first event began at 00:12 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Sussex

When
February 12, 7:10 PM EST
Where
Sussex County, Georgetown
Measured
50 kt (58 mph)
Reported by
BROADCAST MEDIA
Coordinates
38.680, -75.380

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Delaware in 1999Every state in 1999This day in weather historyWarnings in Delaware, February 1999

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: 5689272.