National Weather Service United States Department of Commerce

Severe Thunderstorms, Heavy Rainfall, And Flooding Possible Over The Plains; Typhoon Bualoi Approaches The CNMI

A storm system will bring the potential for severe thunderstorms capable of damaging winds, large hail, and isolated tornadoes over the south central U.S. into Monday. Heavy rainfall may also lead to flash flooding. The system will shift toward the eastern U.S. on Tuesday. Over the western Pacific, Typhoon Bualoi will intensify and impact the northern Marianna Islands over the next couple of days. Read More >

Norman, OK

Weather Forecast Office

Monthly/Annual statistics for Tornadoes in Oklahoma (1950-Present)

Weather.gov > Norman, OK > Monthly/Annual statistics for Tornadoes in Oklahoma (1950-Present)
Year Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Ann.
1950 0 1 1 5 12 1 0 0 2 1 0 0 23
1951 0 2 0 11 11 11 4 2 1 1 0 0 43
1952 0 0 0 7 5 5 4 1 0 0 0 0 22
1953 0 4 7 9 8 13 4 2 0 0 5 2 54
1954 0 0 7 13 19 4 4 2 3 1 0 0 53
1955 1 1 0 15 32 22 4 2 0 0 0 0 77
1956 0 2 1 20 6 9 7 2 0 1 1 0 49
1957 4 0 0 40 45 5 4 3 5 1 0 0 107
1958 0 2 0 4 4 8 6 2 4 0 12 0 42
1959 0 2 16 3 35 1 3 5 2 2 1 0 70
1960 1 3 5 19 61 2 3 2 1 0 1 0 98
1961 0 4 10 14 42 7 3 0 1 1 0 0 82
1962 0 0 0 4 33 21 6 3 0 0 0 0 67
1963 0 0 3 1 11 4 4 1 2 1 3 0 30
1964 0 0 0 17 22 3 4 4 1 0 2 0 53
1965 0 0 3 21 32 8 0 5 5 0 0 0 74
1966 0 1 0 8 11 13 1 0 2 0 0 0 36
1967 4 0 0 12 4 23 4 0 2 0 0 0 49
1968 0 0 0 16 26 9 0 1 0 0 0 3 55
1969 0 0 0 10 5 13 1 0 1 1 0 0 31
1970 0 0 0 8 5 17 2 1 9 8 0 0 50
1971 0 2 2 8 13 8 1 0 0 1 0 4 39
1972 0 0 0 11 5 6 3 1 0 2 0 2 30
1973 1 0 7 9 19 24 1 1 3 3 8 0 76
1974 0 1 2 3 9 24 0 3 0 1 2 0 45
1975 1 6 1 1 7 9 1 0 0 0 4 4 34
1976 0 3 6 7 7 3 2 0 0 0 0 0 28
1977 0 1 11 4 31 3 2 2 0 0 0 0 54
1978 0 0 0 14 5 1 0 0 1 0 0 0 21
1979 0 0 5 17 7 3 2 13 1 2 1 0 51
1980 0 0 3 7 9 1 0 2 2 1 0 0 25
1981 0 0 1 11 44 7 5 2 2 3 1 0 76
1982 0 0 11 11 56 11 1 3 2 0 2 4 101
1983 0 0 4 12 40 23 2 1 0 2 8 0 92
1984 0 0 6 23 9 3 0 0 2 6 1 0 50
1985 0 2 5 10 6 5 1 0 3 0 4 0 36
1986 0 0 2 4 25 1 0 2 7 6 0 0 47
1987 0 3 9 0 5 0 1 0 1 0 4 0 23
1988 0 0 5 0 2 3 0 0 2 0 5 0 17
1989 0 0 2 1 7 6 0 1 1 2 0 0 20
1990 0 0 10 3 10 6 1 0 0 0 0 0 30
1991 0 0 17 24 20 4 1 0 0 7 0 0 73
1992 0 0 2 9 25 9 2 0 16 1 0 0 64
1993 0 0 6 17 20 13 0 0 5 2 1 0 64
1994 0 0 1 15 11 2 6 2 0 3 0 0 40
1995 0 0 2 22 17 28 6 0 0 4 0 0 79
1996 0 0 1 18 9 6 0 6 7 0 1 0 48
1997 0 1 1 1 41 5 1 1 2 2 0 0 55
1998 0 0 1 1 22 22 2 1 3 27 4 0 83
1999 0 1 6 19 90 14 0 1 2 4 5 3 145
2000 0 2 15 6 11 3 0 0 0 7 0 0 44
2001 0 0 0 10 25 1 0 0 6 19 0 0 61
2002 0 0 0 7 7 2 0 0 2 0 0 0 18
2003 0 0 4 15 59 0 0 0 0 0 0 0 78
2004 0 0 12 13 26 4 0 0 0 1 6 0 62
2005 0 0 8 7 0 10 0 0 1 1 0 0 27
2006 0 0 7 8 4 5 0 0 3 0 0 0 27
2007 0 0 5 3 29 5 1 5 0 1 0 0 49
2008 4 0 13 9 42 5 0 0 2 0 1 1 77
2009 0 6 1 17 4 3 0 1 0 2 0 0 34
2010 0 0 2 1 91 4 1 0 3 0 0 1 103
2011 0 1 0 50 46 7 0 1 3 0 11 0 119
2012 0 0 5 54 3 0 0 0 0 1 0 0 63
2013 2 0 2 12 63 0 2 1 0 0 0 0 82
2014 0 0 0 4 4 5 0 0 1 1 0 1 16
2015 0 0 7 5 83 1 3 0 0 0 9 3 111
2016 0 0 5 27 24 0 1 0 0 0 0 0 57
2017 0 0 3 10 57 2 0 4 0 9 0 0 85
2018 0 0 0 0 23 1 0 2 0 12 4 0 42
Total 18 51 271 797 1601 507 117 94 124 151 107 28 3866
Avg. 0.3 0.7 3.9 11.6 23.2 7.3 1.7 1.4 1.8 2.2 1.6 0.4 56.0
Most 4 6 17 54 105 28 7 13 16 27 12 4 145
When 1957
1967
2008		 1975
2009		 1991 2012 2019 1995 1956 1979 1992 1998 1958 1982 1975 1971 1999
Least 0 0 0 0 0 0 0 0 0 0 0 0 16
When Many Years Many Years Many Years 1987
1988
2018		 2005 1987
2003
2012
2013
2016		 Many Years Many Years Many Years Many Years Many Years Many Years 2014
Preliminary Numbers for 2019
2019 0 0 0 22 105 11 0 2 0 - - - 140
 
Highest Annual Total of Tornadoes by Year Lowest Annual Total of Tornadoes by Year
Rank Year Total Rank Year Total Rank Year Total Rank Year Total
1 1999 145 6 2010 103 1 2014 16 6 1952 22
2 2019 140 7 1982 101 2 1988 17 7 (tie) 1987 23
3 2011 119 8 1960 98 3 2002 18   1950 23
4 2015 111 9 1983 92 4 1989 20 9 1980 25
5 1957 107 10 2017 85 5 1978 21 10 (tie) 2005/2006 27
 
Highest Total of Tornadoes by Month or Season and Year
Jan. Feb. Mar. Apr.
Rank Year Total Rank Year Total Rank Year Total Rank Year Total
1 (tie) 2008 4 1 (tie) 2009 6 1 1991 17 1 2012 54
  1967 4   1975 6 2 1959 16 2 2011 50
  1957 4 3 (tie) 1961 4 3 2000 15 3 1957 40
4 2013 2   1953 4 4 2008 13 4 2016 27
5 (tie) Many Years 1 5 (tie) Many Years 3 5 2004 12 5 1991 24
May. Jun. Jul. Aug.
Rank Year Total Rank Year Total Rank Year Total Rank Year Total
1 2019 105 1 1995 28 1 1956 7 1 1979 13
2 2010 91 2 (tie) 1974 24 2 (tie) 1995 6 2 1996 6
3 1999 90   1973 24   1994 6 3 (tie) 2007 5
4 2015 83 4 (tie) 1983 23   1962 6   1965 5
5 2013 63   1967 23   1958 6   1959 5
Sep. Oct. Nov. Dec.
Rank Year Total Rank Year Total Rank Year Total Rank Year Total
1 1992 16 1 1998 27 1 1958 12 1 (tie) 1982 4
2 1970 9 2 2001 19 2 2011 11   1975 4
3 (tie) 1996 7 3 2018 12 3 2015 9   1971 4
  1986 7 4 2017 9 4 (tie) 1983 8 4 (tie) 2015 3
5 2001 6 5 1970 8   1973 8   1999/1968 3
Winter (Dec.-Jan.-Feb.) Spring (Mar.-Apr.-May) Summer (Jun.-Jul.-Aug.) Autumn (Sep.-Oct.-Nov.)
Rank Year Total Rank Year Total Rank Year Total Rank Year Total
1 (tie) 2008-09 7 1 2019 127 1 1995 34 1 1998 34
  1975-76 7 2 1999 115 2 1962 30 2 2001 25
  1974-75 7 3 2011 96 3 1955 28 3 (tie) 1992 17
4 1999-2000 5 4 2015 95 4 (tie) 1974 27   1970 17
5 (tie) Many Years 4 5 2010 94   1967 27 5 (tie) 1958/2018 16
 
 
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