444
Recorded events
2
Direct deaths
10
Direct injuries
$2.0M
Property damage
Thunderstorm Wind in New Castle County, Delaware: 444 recorded events between 1960 and 2026. The strongest on record measured 78. That places the county #161 nationally and #1 statewide for this hazard.
Decade by decade
Thunderstorm Wind in New Castle County, Delaware: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in New Castle County is the 2020s, when 151 of the county's 444 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 New Castle County archive, thunderstorm wind makes up 50.9% of all recorded severe weather across 9 hazard types. Nationally the county sits at #161 for this hazard and #1 within Delaware, putting it in the 94.9 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for thunderstorm wind in New Castle County with 126 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 1, 2025 | SILVERBROOK | 50 | 1 | 1 | $0 |
| Jul 16, 1995 | 0 | 1 | 0 | $0 | |
| Jul 17, 2024 | MONROE PARK | 50 | 0 | 2 | $0 |
| Apr 6, 2017 | GREENVILLE | 52 | 0 | 2 | $0 |
| Jun 19, 2025 | GRANOGUE | 50 | 0 | 1 | $0 |
| Jun 23, 2024 | HOCKESSIN | 50 | 0 | 1 | $0 |
| May 28, 2019 | CLAYMONT | 50 | 0 | 1 | $0 |
| Jun 8, 2016 | DUNLEITH | 52 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Mar 16, 2026 | HARNOUS CORNER | 50 | $0 |
| Mar 16, 2026 | MONROE PARK | 50 | $0 |
| Mar 16, 2026 | GWINHURST | 50 | $0 |
| Mar 16, 2026 | WILMINGTON | 50 | $0 |
| Mar 16, 2026 | WILMINGTON | 50 | $0 |
| Mar 16, 2026 | CHALFONTE | 50 | $0 |
| Mar 16, 2026 | CENTERVILLE | 50 | $0 |
| Mar 16, 2026 | BROOKSIDE | 50 | $0 |
| Mar 16, 2026 | HOCKESSIN | 50 | $0 |
| Mar 11, 2026 | ODESSA | 52 | $0 |
Other hazards here
More from New Castle County
- Flash Flood 156
- Hail 73
- Flood 70
- Lightning 49
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The oppressive heat and humidity during the day on the 15th set the stage for a complex of severe thunderstorms the early morning of the 16th. A wide swath of downed trees and power lines occurred in northern parts of the county, mostly to the north of the Chesapeake and Delaware Canals. A 52-year-old male in the Limestone Hills Development of Pike Creek was killed in his sleep as the severe thunderstorm snapped a 70-foot tall tree in half plunging it into his bedroom. His wife was unharmed. About 35,000 Delmarva Power and Light customers lost power. More than 10,000 still did not have it restored Monday morning the 17th. It was the utility's worst power outage since the March snow storm of 1958. Lightning ignited a fire that badly damaged two stores in the old post office in Hockessin Corner.
A squall line of severe thunderstorms produced wind damage across New Castle County, with the hardest hit areas in the northern part of the county. Numerous trees were uprooted and damaged, especially Tulip Poplars. In Newark, a couple of trees fell on homes and the siding was ripped away from one apartment building. In and around Wilmington, a large tree crashed through a home in Westover Hills. The Hagley Museum and Library lost eight trees. Elsmere and Hockessin were among the communties that were hardest hit by power outages.
A severe thunderstorm knocked down numerous trees in the Hockessin, Coffee Run, Westminster, Canterbury Hills and Bella Vista areas of Mill Creek Hundred. A couple of homes and vehicles were damaged by the fallen trees. In the Westmister Development, old, massive trees were knocked down. Three homes on Ambleside Drive were so badly damaged by fallen trees that they were condemned. One garage with three Cadillacs within it was crushed on the same street. In Canterbury Hills, about fifty trees alone were knocked down and caused minor damage to homes.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in New Castle County, Delaware?
444 thunderstorm wind events are recorded in New Castle County between 1960 and 2026, causing 2 direct deaths.
What is the strongest thunderstorm wind recorded in New Castle County?
The strongest thunderstorm wind on record in New Castle County measured 78.
Where does the thunderstorm wind data for New Castle 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
“Thunderstorm Wind in New Castle County, Delaware.” Severe Weather History. severeweatherhistory.com/county/delaware/new-castle-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.