Delaware tornadoes

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77 confirmed tornadoes since 1950. Most recent: June 30, 2025, EF0. 2026 so far: 5 preliminary reports preliminary

Counties with the most tornadoes

County	Tornadoes since 1950	Per 1,000 sq mi
New Castle County	28	66
Sussex County	28	30
Kent County	24	41

When tornadoes hit here

By month

July is the peak month, with 22 of 77 tornadoes.

By time of day

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones. This year so far: 5 preliminary reports.

By rating

EF0

EF1

EF2

EF3

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

Notable tornadoes

Deadliest

Most recent tornadoes

Tornadoes, newest first
Date	Rating	Path length	Width	Deaths	Injuries
Jun 30, 2025	EF0	0.5 mi	100 yd	0	0
May 16, 2025	EF1	11.3 mi	600 yd	0	0
Aug 8, 2024	EF1	1.13 mi	150 yd	0	0
Sep 11, 2023	EF0	0.7 mi	370 yd	0	0
Jul 9, 2023	EF1	1.19 mi	200 yd	0	0
Apr 1, 2023	EF3	14.3 mi	700 yd	1	0
Jul 1, 2021	EF1	4.7 mi	100 yd	0	0
Jul 1, 2021	EF1	3.85 mi	50 yd	0	0
Aug 7, 2020	EF1	4.17 mi	450 yd	0	0
Aug 4, 2020	EF2	35.78 mi	500 yd	0	0
Aug 4, 2020	EF1	2.98 mi	200 yd	0	0
Aug 4, 2020	EF1	2.14 mi	400 yd	0	0
Apr 15, 2019	EF1	6.2 mi	50 yd	0	0
Apr 15, 2019	EF2	6.2 mi	400 yd	0	1
Jun 19, 2017	EF0	0.6 mi	200 yd	0	0
Jul 9, 2015	EF0	0.52 mi	75 yd	0	0
May 22, 2014	EF1	0.35 mi	50 yd	0	2
Jun 10, 2013	EF0	0.87 mi	150 yd	0	0
Sep 3, 2012	EF0	0.21 mi	35 yd	0	0
Aug 27, 2011	EF1	0.7 mi	80 yd	0	0
Sep 28, 2004	F2	5 mi	150 yd	0	0
Jul 12, 2004	F0	0.5 mi	100 yd	0	0
Aug 13, 1998	F0	0.1 mi	100 yd	0	0
Jun 26, 1995	F0	0.1 mi	10 yd	0	0
May 25, 1995	F0	0.2 mi	17 yd	0	0
Jul 27, 1994	F0	0.3 mi	50 yd	0	0
Jul 27, 1994	F1	1.5 mi	100 yd	0	0
Jul 27, 1994	F0	0.3 mi	50 yd	0	4
Jun 27, 1994	F1	15 mi	300 yd	0	0
Sep 27, 1993	F1	7 mi	50 yd	0	0
Sep 27, 1993	F2	10 mi	100 yd	0	0
Apr 1, 1993	F1	0.2 mi	10 yd	0	0
Apr 1, 1993	F0	10 mi	10 yd	0	0
Apr 1, 1993	F0	4.5 mi	10 yd	0	0
Aug 28, 1992	F0	0.2 mi	20 yd	0	0
Jul 31, 1992	F2	4 mi	20 yd	0	0
Jul 31, 1992	F1	1 mi	10 yd	0	0
Jul 15, 1992	F1	1 mi	20 yd	0	0
Jul 15, 1992	F0	2.5 mi	10 yd	0	0
Jul 15, 1992	F0	1 mi	10 yd	0	0
Jul 8, 1991	F0	0.3 mi	10 yd	0	0
Oct 18, 1990	F2	1 mi	430 yd	0	0
Nov 16, 1989	F1	1 mi	17 yd	0	1
Aug 15, 1989	F1	12.7 mi	20 yd	0	0
Jun 9, 1989	F2	2 mi	100 yd	0	1
Jul 21, 1988	F0	0.2 mi	20 yd	0	0
Jun 7, 1988	F1	23 mi	100 yd	0	30
Jul 18, 1984	F2	1.5 mi	80 yd	0	0
May 8, 1984	F1	18 mi	150 yd	1	14
May 8, 1984	F1	18 mi	150 yd	0	10
Jul 21, 1983	F2	1 mi	20 yd	2	9
Sep 5, 1979	F2	2.5 mi	200 yd	0	5
Aug 10, 1979	F1	2 mi	100 yd	0	0
Aug 10, 1977	F1	1 mi	27 yd	0	0
Jun 9, 1977	F2	0.2 mi	40 yd	0	1
Mar 13, 1977	F1	1 mi	30 yd	0	0
Jun 30, 1976	F0	0.1 mi	10 yd	0	0
Mar 21, 1976	F1	0.1 mi	10 yd	0	1
Aug 4, 1975	F0	0.1 mi	30 yd	0	0
Aug 4, 1975	F0	0.1 mi	53 yd	0	0
Jul 14, 1975	F0	0.1 mi	10 yd	0	0
Apr 3, 1975	F1	0.1 mi	10 yd	0	3
Mar 19, 1975	F1	0.1 mi	10 yd	0	0
Jun 28, 1973	F0	0.1 mi	10 yd	0	0
Oct 18, 1967	F1	0.3 mi	17 yd	0	0
Oct 18, 1967	F1	0.3 mi	17 yd	0	0
Aug 27, 1967	F0	0.5 mi	50 yd	0	0
Jan 27, 1967	F2	0.5 mi	50 yd	0	7
Mar 26, 1964	F1	0.3 mi	40 yd	0	0
Jul 21, 1962	F1	1.2 mi	100 yd	0	0
Jun 24, 1962	F1	0.5 mi	40 yd	0	0
Apr 28, 1961	F3	0.3 mi	30 yd	0	0
Jul 14, 1958	F0	2 mi	150 yd	0	0
Sep 10, 1957	F1	1 mi	150 yd	0	0
Jul 5, 1957	F1	11.3 mi	100 yd	0	0
Aug 12, 1955	F2	2.7 mi	133 yd	0	1
Jul 1, 1954	F2	1 mi	50 yd	0	0

Every Delaware county

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025. A tornado that crossed a state line counts in each state it touched.