47
Recorded events
0
Direct deaths
0
Direct injuries
$2.2M
Property damage
Flash Flood in Onslow County, North Carolina: 47 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #663 nationally and #30 statewide for this hazard.
Decade by decade
Flash Flood in Onslow County, North Carolina: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flash flood in Onslow County is the 2020s, when 24 of the county's 47 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Onslow County archive, flash flood makes up 8.7% of all recorded severe weather across 9 hazard types. Nationally the county sits at #663 for this hazard and #30 within North Carolina, putting it in the 78.3 percentile of all U.S. counties.
Seasonality
Events by month
Aug is the peak month for flash flood in Onslow County with 12 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 1, 2025 | PUMPKIN CENTER | 0 | $0 |
| May 28, 2025 | CAMP LEJEUNE | 0 | $0 |
| May 28, 2025 | JACKSONVILLE | 0 | $0 |
| May 28, 2025 | HAWKSIDE | 0 | $0 |
| May 13, 2025 | PUMPKIN CENTER | 0 | $0 |
| May 13, 2025 | MIDWAY PARK | 0 | $0 |
| May 12, 2025 | KELLUMTOWN | 0 | $0 |
| Aug 8, 2024 | KELLUM | 0 | $0 |
| Aug 31, 2023 | HAWKSIDE | 0 | $0 |
| Aug 31, 2023 | HAWKSIDE | 0 | $0 |
Other hazards here
More from Onslow County
- Thunderstorm Wind 229
- Hail 193
- Tornado 50
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Torrential rain moved across most of Onslow County during the late afternoon and evening of September 30th as the remnants of Tropical Storm Nicole moved north across the region. This rain fell on saturated ground from very heavy rain the previous few days. Significant flash flooding developed especially for areas from Jacksonville to Swansboro. Several cars were swept off Highway 24 due to the flooding. Many homes and businesses were flooded with a few destroyed. Some roads were also completely washed out and will need to be rebuilt.
Between 1 p.m. and 7 p.m. up to 6 to 11 inches of rain fell across Onslow county. Eleven inches of rain fell over Camp Lejeune causing major flooding in hte French Creek area. About 12 cars were flooded along with some residenaces nd the fire station. By 340 p.m. most major roads in central and eastern Onslow county were closed and impassable due to flooding. A 40 foot section of Turkey Creek Road was washed away, prompting the rescue of several residents by local fire fighters. Up to 62,000 gallons of waste water spilled out of the treatment plant in Swansboro due to the flooding rain.
Up to eleven inches of rain fell across Camp Lejeune between 1100 EST and 1400 EST. Several homes on base were reported flooded at 1300 EST as well as the fire station. Numerous roads were closed and about 15 automobiles were flooded in low lying areas.
Quick answers
Frequently asked
How many flash flood events are on record in Onslow County, North Carolina?
47 flash flood events are recorded in Onslow County between 1996 and 2025, causing 0 direct deaths.
What is the strongest flash flood recorded in Onslow County?
The strongest flash flood on record in Onslow County measured 0.
Where does the flash flood data for Onslow County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Flash Flood in Onslow County, North Carolina.” Severe Weather History. severeweatherhistory.com/county/north-carolina/onslow-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.