Dover, DE tornado history
11 tornadoes have passed within 10 miles of the center of Dover, DE from 1950 through 2025, according to the NOAA Storm Prediction Center, ranking 11th of 22 Delaware cities with a tornado on record. None was rated F3/EF3 or stronger by the National Weather Service. The most recent was on August 4, 2020 (EF2, 35.8-mile path). SPC also logged 3 preliminary tornado reports within 10 miles of the center of Dover, DE in 2026.
Dashed circle: 10 miles from the city's Census center point. A tornado counts when its recorded path passes inside the circle. Paths run straight from start to end point, as SPC records them.
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Every tornado within 10 miles of the center of Dover, DE
| Date | Rating | Path length | Deaths / injuries | Started in | Closest to center |
|---|---|---|---|---|---|
| Aug 20, 2026 | Prelim. report | – | – | Kent County, DE | 1.0 mi |
| Aug 20, 2026 | Prelim. report | – | – | Kent County, DE | 2.5 mi |
| Aug 20, 2026 | Prelim. report | – | – | Kent County, DE | 6.9 mi |
| Aug 4, 2020 | EF2 | 35.8 mi | 0 / 0 | Kent County, DE | 0.4 mi |
| May 22, 2014 | EF1 | 0.3 mi | 0 / 2 | Kent County, DE | 8.7 mi |
| Sep 3, 2012 | EF0 | 0.2 mi | 0 / 0 | Kent County, DE | 4.7 mi |
| Jul 12, 2004 | F0 | 0.5 mi | 0 / 0 | Kent County, DE | 4.1 mi |
| Jun 27, 1994 | F1 | 15.0 mi | 0 / 0 | Kent County, DE | 6.9 mi |
| Apr 1, 1993 | F1 | 0.2 mi | 0 / 0 | Kent County, DE | 9.4 mi |
| Jul 31, 1992 | F2 | 4.0 mi | 0 / 0 | Kent County, DE | 9.6 mi |
| Jun 9, 1977 | F2 | 0.2 mi | 0 / 1 | Kent County, DE | 9.4 mi |
| Mar 13, 1977 | F1 | 1.0 mi | 0 / 0 | Kent County, DE | 8.9 mi |
| Aug 4, 1975 | F0 | 0.1 mi | 0 / 0 | Kent County, DE | 8.5 mi |
| Apr 3, 1975 | F1 | 0.1 mi | 0 / 3 | Kent County, DE | 0.8 mi |
More: Kent County tornadoes · Delaware tornado history · Dover hail history · Delaware damaging wind
Source: NOAA Storm Prediction Center (SPC) Severe Weather Database (SVRGIS) tornado file, 1950–2025, and SPC preliminary storm reports for 2026 (data through November 6, 2026). Ratings are the ones the National Weather Service assigned: Fujita (F) scale before Feb 1, 2007, Enhanced Fujita (EF) after. Paths are drawn as straight lines from the start to the end point SPC records; real paths curve. City and county boundaries: US Census Bureau.
NWS Damage Survey Paths Near Dover
The National Weather Service mapped the path of 3 tornadoes within 10 miles of Dover in damage surveys (2 EF1, 1 EF0). On the map, those paths follow the survey, colored by the EF rating of each stretch, instead of a straight line from start to end.
| Date | Rating | Peak wind | Path length | Max width | Deaths / injuries | On the ground | Surveyed by |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | EF0 | 80 mph | 0.6 mi | 100 yd | 0 / 0 | 22:02–22:03 UTC | NWS Mount Holly |
| Aug 20, 2026 | EF1 | 110 mph | 3.2 mi | 100 yd | 0 / 0 | 20:09–20:14 UTC | NWS Mount Holly |
| May 22, 2014 | EF1 | 105 mph | 0.4 mi | 50 yd | 0 / 2 | 20:49–20:51 UTC | NWS Mount Holly |
Source: NOAA National Weather Service Damage Assessment Toolkit (DAT): the tornado paths and EF-rating zones NWS survey teams mapped after each storm. Survey data are preliminary and can be revised; NOAA's official record is Storm Data (NCEI). Paths are simplified to about 30 m. Times are when the tornado was on the ground, in UTC.