Outbreak
|
OIS score
|
# of (E)F2s
|
# of (E)F3s
|
# of (E)F4s
|
# of (E)F5s
|
Total tornadoes
|
Deaths
|
Injuries
|
References
|
Tornado outbreak of April 9–11, 2009
|
79 |
12 |
9 |
1 |
0
|
85 |
5 |
112
|
[1]
|
June 2010 Northern Plains tornado outbreak
|
78 |
9 |
4 |
4 |
0
|
93 |
3 |
43 |
[1]
|
Tornado outbreak of April 18–21, 1974
|
76 |
18 |
6 |
1 |
0
|
36 |
2 |
1+
|
[1]
|
Tornado outbreak of March 28–31, 1976
|
73 |
14 |
5 |
2 |
0
|
35 |
10 |
1+
|
[1]
|
March 1997 tornado outbreak
|
71 |
8 |
5 |
3 |
0
|
39 |
27 |
464
|
[1][43][44]
|
Tornado outbreak of May 4–6, 2007
|
70 |
15 |
5 |
0
|
1 |
132
|
14 |
89 |
[1]
|
1980 Grand Island tornado outbreak
|
68 |
9 |
4 |
3 |
0
|
29 |
6 |
413
|
[1]
|
Tornado outbreak sequence of May 22–26, 2016
|
68 |
9 |
8 |
1 |
0
|
98 |
0
|
11+
|
[1]
|
Tornado outbreak of May 6–8, 1973
|
66 |
23 |
1 |
0
|
1 |
47 |
2 |
41 |
[3]
|
Tornado outbreak of April 8–9, 1999
|
66 |
8 |
4 |
3 |
0
|
54 |
6 |
100
|
[1]
|
Tornado outbreak of May 10–13, 2010
|
66 |
13 |
4 |
2 |
0
|
91 |
3 |
127
|
[1]
|
December 2021 Midwest derecho and tornado outbreak
|
66 |
33 |
0
|
0
|
0
|
120
|
5 |
3 |
[1]
|
Tornado outbreak of June 7–9, 1993
|
65 |
10 |
5 |
2 |
0
|
107
|
1 |
1+
|
[1]
|
Tornado outbreak of February 21–22, 1971
|
64 |
7 |
3 |
2 |
1 |
19+
|
123
|
1,592
|
[3]
|
Tornado outbreak of April 27–28, 2002
|
64 |
12 |
6 |
1 |
0
|
48 |
6 |
256
|
[1]
|
1975 Omaha tornado outbreak
|
63 |
14 |
3 |
2 |
0
|
36 |
3 |
137+
|
[1]
|
1994 Palm Sunday tornado outbreak
|
63 |
4 |
7 |
2 |
0
|
29 |
40 |
491
|
[1]
|
Tornado outbreak of February 28 – March 2, 2007
|
63 |
9 |
3 |
3 |
0
|
57 |
20 |
98 |
[1]
|
Tornado outbreak sequence of June 3–11, 2008
|
63 |
14 |
5 |
1 |
0
|
192
|
7 |
84 |
[1]
|
Tornado outbreak of April 23–27, 1970
|
62 |
11 |
6 |
1 |
0
|
34 |
3 |
26+
|
[3]
|
Tornado outbreak of December 23–25, 1982
|
62 |
16 |
4 |
1 |
0
|
44 |
1 |
11+
|
[1]
|
Tornado outbreak of April 19–22, 1972
|
60 |
10 |
6 |
1 |
0
|
28 |
8 |
42 |
[3]
|
Tri-State tornado outbreak
|
59 |
2 |
4 |
2 |
1 |
12+
|
751
|
2,298
|
|
Tornado outbreak sequence of April 26–30, 1971
|
58 |
9 |
4 |
2 |
0
|
30 |
10 |
187
|
[3]
|
Tornado outbreak of April 22–25, 2010
|
58 |
9 |
4 |
2 |
0
|
88 |
10 |
184
|
[1]
|
Tornado outbreak of March 13–17, 1982
|
57 |
11 |
7 |
0
|
0
|
23 |
4 |
1+
|
[1]
|
Tornado outbreak of March 26, 1976
|
56 |
3 |
3 |
2 |
1 |
17 |
4 |
89 |
[1]
|
Tornado outbreak sequence of January 7–11, 2008
|
54 |
7 |
8 |
0
|
0
|
73 |
4 |
62 |
[1]
|
Tornado outbreak of May 26–31, 2013
|
54 |
12 |
6 |
0
|
0
|
134
|
9 |
172
|
[1]
|
Tornado outbreak sequence of April 29 – May 2, 1972
|
53 |
4 |
7 |
1 |
0
|
21 |
0
|
12 |
[3]
|
2009 South American tornado outbreak
|
52 |
6 |
4 |
2 |
0
|
28 |
15 |
1+
|
[45][46][47][48]
|
Tornado outbreak of May 6–10, 2024
|
51 |
13 |
3 |
1 |
0
|
162
|
3 |
87-91+
|
[49]
|
Tornado outbreak of May 18–21, 2013
|
50 |
5 |
1 |
2 |
1 |
78 |
26 |
229
|
[1]
|
Tornado outbreak sequence of March 24–28, 2021
|
50 |
10 |
4 |
1 |
0
|
43 |
7 |
37+
|
[1]
|
2012 Leap Day tornado outbreak
|
49 |
17 |
1 |
1 |
0
|
42 |
15 |
193
|
[1]
|
2003 South Dakota tornado outbreak
|
48 |
9 |
2 |
2 |
0
|
125
|
2 |
19 |
[1]
|
Tornado outbreak of December 1–3, 1982
|
47 |
6 |
7 |
0
|
0
|
38 |
2 |
0+
|
[1]
|
2008 Atlanta tornado outbreak
|
47 |
16 |
3 |
0
|
0
|
46 |
3 |
53 |
[1]
|
Tornado outbreak of June 5–6, 2010
|
47 |
11 |
3 |
1 |
0
|
53 |
8 |
68 |
[1]
|
1997 Central Texas tornado outbreak
|
46 |
3 |
3 |
1 |
1 |
20 |
28 |
30 |
[1]
|
Tornado outbreak of April 2, 2006
|
46 |
8 |
6 |
0
|
0
|
66 |
27 |
348
|
[1][50]
|
Tornado outbreak of April 9–11, 2011
|
46 |
8 |
4 |
1 |
0
|
49 |
0
|
21 |
[1]
|
Tornado outbreak sequence of May 5–10, 2015
|
46 |
8 |
6 |
0
|
0
|
127
|
5 |
67 |
[1]
|
Tornado outbreak of June 13, 1976
|
45 |
5 |
2 |
1 |
1 |
16 |
2 |
1+
|
[1]
|
Tornado outbreak of April 1977
|
45 |
10 |
2 |
0
|
1 |
22 |
24 |
158
|
[1]
|
May 1989 tornado outbreak
|
45 |
5 |
1 |
3 |
0
|
16 |
7 |
168
|
[1]
|
Tornado outbreak of November 22–24, 2004
|
45 |
15 |
3 |
0
|
0
|
104
|
4 |
39 |
[1][51][52][53]
|
Tornado outbreak of October 17–19, 2007
|
45 |
15 |
3 |
0
|
0
|
63 |
5 |
28 |
[1]
|
Tornado outbreak of March 28–31, 2007
|
45 |
10 |
5 |
0
|
0
|
81 |
5 |
26 |
[1]
|
Tornado outbreak sequence of April 19–24, 2011
|
45 |
15 |
1 |
1 |
0
|
134
|
0
|
14 |
[1]
|
Tornado outbreak of April 4–7, 2022
|
45 |
10 |
3 |
1 |
0
|
89 |
1 |
17+
|
[1]
|
Tornado outbreak of December 12–15, 2022
|
45 |
20 |
1 |
0
|
0
|
77 |
3 |
64 |
[1]
|
Tornado outbreak of December 14–15, 1971
|
44 |
17 |
2 |
0
|
0
|
40 |
2 |
119
|
[3]
|
Tornado outbreak of April 25–27, 1982
|
44 |
7 |
6 |
0
|
0
|
13+
|
0
|
0+
|
[1]
|
Tornado outbreak of November 4–5, 2022
|
44 |
7 |
2 |
2 |
0
|
31 |
2 |
34+
|
[1]
|
Great Storm of 1975
|
43 |
14 |
1 |
1 |
0
|
45 |
12 |
377
|
[1]
|
Tornado outbreak of April 23, 2000
|
43 |
14 |
3 |
0
|
0
|
33 |
0
|
12 |
[1]
|
Tornado outbreak of June 18–22, 2011
|
43 |
9 |
5 |
0
|
0
|
78 |
0
|
4 |
[1]
|
Tornado outbreak of December 16–17, 2019
|
43 |
9 |
5 |
0
|
0
|
41 |
3 |
14+
|
[1]
|
Tornado outbreak of February 22–24, 1975
|
42 |
11 |
2 |
1 |
0
|
23 |
3 |
1+
|
[1]
|
Tornado outbreak of May 22–23, 1981
|
42 |
11 |
2 |
1 |
0
|
43 |
0
|
12 |
[1]
|
Tornado outbreak of May 7–10, 2016
|
42 |
6 |
4 |
1 |
0
|
57 |
2 |
19 |
[1]
|
Tornado outbreak of April 19, 1976
|
41 |
8 |
2 |
0
|
1 |
16 |
0
|
11 |
[1]
|
Hurricane Ivan tornado outbreak
|
41 |
18 |
1 |
0
|
0
|
120
|
7 |
24+
|
[1][54]
|
Tornado outbreak of April 13–16, 2012
|
41 |
3 |
5 |
1 |
0
|
113
|
6 |
101
|
[1]
|
Tornado outbreak of February 28 – March 1, 2017
|
41 |
8 |
3 |
1 |
0
|
71 |
4 |
38 |
[1]
|
Tornado outbreak of March 21–23, 2022
|
41 |
13 |
3 |
0
|
0
|
85 |
3 |
68 |
[1]
|
Tornado outbreak of April 25–27, 1994
|
40 |
10 |
0
|
2 |
0
|
101
|
6 |
1+
|
[1]
|
Tornado outbreak of April 13–15, 2019
|
40 |
15 |
2 |
0
|
0
|
75 |
3 |
65 |
[1]
|
Tornado outbreak of September 24–25, 1973
|
39 |
2 |
5 |
1 |
0
|
8 |
3 |
66 |
[3]
|
Tornado outbreak of April 6–9, 1998
|
39 |
7 |
2 |
0
|
1 |
62 |
41 |
250+
|
[1]
|
Tornado outbreak of November 15, 2005
|
39 |
7 |
3 |
1 |
0
|
49 |
1 |
108
|
[1]
|
Tornado outbreak of November 27–28, 2005
|
39 |
12 |
3 |
0
|
0
|
73 |
2 |
15 |
[1]
|
Tornado outbreak of April 30 – May 2, 2010
|
39 |
12 |
3 |
0
|
0
|
60 |
5 |
31 |
[1]
|
Tornado outbreak of July 1–3, 1997
|
38 |
9 |
4 |
0
|
0
|
52 |
2 |
100
|
[1]
|
Tornado outbreak of May 30 – June 1, 1999
|
37 |
6 |
5 |
0
|
0
|
59 |
3 |
1+
|
[1]
|
Tornado outbreak of April 10–11, 2001
|
37 |
16 |
1 |
0
|
0
|
79 |
4 |
18 |
[1]
|
Tornado outbreak of January 21–23, 2017
|
37 |
11 |
3 |
0
|
0
|
81 |
20 |
204
|
[1]
|
Tornado outbreak of March 24–27, 2023
|
37 |
6 |
3 |
1 |
0
|
35 |
23 |
236
|
[1][55][56]
|
Tornado outbreak of February 12, 1945
|
36 |
3 |
4 |
1 |
0
|
8 |
45 |
427
|
[3][57]
|
Tornado outbreak of April 1–2, 1974
|
35 |
10 |
3 |
0
|
0
|
23 |
4 |
72 |
[1]
|
Tornado outbreak of May 1–3, 2008
|
35 |
10 |
3 |
0
|
0
|
60 |
6 |
45 |
[1]
|
Tornado outbreak of March 9–11, 1973
|
34 |
7 |
2 |
1 |
0
|
16 |
7 |
132
|
[3]
|
Tornado outbreak of June 2, 1998
|
34 |
7 |
2 |
1 |
0
|
33 |
22 |
77 |
[1]
|
Tornado outbreak sequence of June 14–19, 2023
|
34 |
12 |
2 |
0
|
0
|
93 |
4 |
120
|
|
Tornado outbreak of December 16, 2000
|
33 |
9 |
1 |
1 |
0
|
24 |
12 |
186
|
[1]
|
2010 New Year's Eve tornado outbreak
|
33 |
4 |
5 |
0
|
0
|
37 |
9 |
32 |
[1]
|
Tornado outbreak of March 29–31, 2022
|
33 |
9 |
3 |
0
|
0
|
90 |
2 |
17 |
[1]
|
Tornado outbreak of January 12, 2023
|
32 |
11 |
2 |
0
|
0
|
44 |
8 |
53 |
|
1984 Soviet Union tornado outbreak
|
31 |
3 |
1 |
2 |
0
|
11 |
403
|
804
|
[58]
|
November 1989 tornado outbreak
|
31 |
8 |
1 |
1 |
0
|
40 |
30 |
523
|
[1]
|
Tornado outbreak of September 21–23, 2006
|
31 |
8 |
1 |
1 |
0
|
48 |
0
|
14+
|
[1][59][60]
|
October 2013 North American storm complex
|
31 |
3 |
1 |
2 |
0
|
22 |
3 |
17+
|
[1]
|
Tornado outbreak and floods of April 28 – May 1, 2017
|
31 |
8 |
1 |
1 |
0
|
75 |
5 |
70 |
[1]
|
Tornado outbreak of March 12, 1971
|
30 |
0
|
4 |
1 |
0
|
10 |
1 |
5 |
[3]
|
1978 Bossier City tornado outbreak
|
30 |
5 |
2 |
1 |
0
|
11 |
5 |
277
|
[1]
|
May 2009 Southern Midwest derecho
|
30 |
10 |
2 |
0
|
0
|
39 |
4 |
5+
|
[1]
|
Late-May 2010 tornado outbreak
|
30 |
10 |
0
|
1 |
0
|
80 |
0
|
0
|
[1]
|
Tornado outbreak of December 23–25, 2015
|
30 |
5 |
2 |
1 |
0
|
38 |
13 |
77 |
[1]
|
Tornado outbreak of February 23–24, 2016
|
30 |
5 |
4 |
0
|
0
|
61 |
7 |
136
|
[1]
|
August 2017 Chinese tornado family
|
30 |
0
|
0
|
3 |
0
|
3 |
5 |
58+
|
[61]
|
Tornado outbreak sequence of June 20–26, 2023
|
30 |
10 |
2 |
0
|
0
|
114
|
5 |
126
|
|