Tornado, New Castle
- When
- August 10, 4:30 PM CST
- Where
- New Castle County
- Path length
- 1 mi
- Path width
- 27 yd
- Property damage
- $3,000
- Coordinates
- 39.800, -75.680
Tornado and Damaging Wind in Delaware, August 10, 1977
1 tornado, 1 thunderstorm wind, as filed by the National Weather Service.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $3,000
- Crop damage
- None recorded
- Events
- 2
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.
Event by event
1 tornado, 1 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, New Castle
- When
- August 10, 6:30 PM CST
- Where
- New Castle County
- Coordinates
- 39.330, -75.700
What these are
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- 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
- Tornado and Damaging Wind in Florida, August 10, 1977
- Tornado in New Jersey, August 10, 1977
- Tornado and Damaging Wind in Colorado, August 10, 1977
- Hail in Arkansas, August 10, 1977
- Damaging Winds in North Carolina, August 10, 1977
- Damaging Wind in Illinois, August 10, 1977
- Damaging Wind in Kansas, August 10, 1977
- Hail in Missouri, August 10, 1977
- Damaging Wind in South Carolina, August 10, 1977
More
Every storm in Delaware in 1977Every state in 1977This day in weather historyThe tornado archive for Delaware, 1977
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: 9987407, 9987408.