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]
[42]
[43]
|
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+
|
[44]
[45]
[46]
[47]
|
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]
[48]
|
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]
[49]
[50]
[51]
|
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]
[52]
|
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]
[53]
[54]
|
Tornado outbreak of February 12, 1945
|
36
|
3
|
4
|
1
|
0
|
8
|
45
|
427
|
[3]
[55]
|
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
|
[56]
|
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]
[57]
[58]
|
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+
|
[59]
|
Tornado outbreak sequence of June 20–26, 2023
|
30
|
10
|
2
|
0
|
0
|
114
|
5
|
126
|
|