Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
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 | 13 | 5 | 17 | 2 | 1 | 9 | 8 | 0 | 0 | 55 |
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 | 7 | 0 | 6 | 7 | 0 | 1 | 0 | 49 |
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 | 6 | 3 | 29 | 5 | 1 | 5 | 0 | 1 | 0 | 0 | 50 |
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 | 28 | 24 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 58 |
2017 | 0 | 0 | 3 | 10 | 57 | 2 | 0 | 4 | 0 | 9 | 0 | 0 | 85 |
2018 | 0 | 0 | 0 | 0 | 23 | 2 | 0 | 2 | 0 | 12 | 4 | 0 | 43 |
2019 | 0 | 0 | 0 | 22 | 105 | 11 | 0 | 3 | 0 | 6 | 0 | 2 | 149 |
2020 | 3 | 0 | 2 | 15 | 16 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 39 |
2021 | 4 | 0 | 3 | 5 | 11 | 1 | 1 | 0 | 0 | 34 | 4 | 0 | 63 |
2022 | 0 | 0 | 6 | 7 | 28 | 0 | 1 | 0 | 0 | 2 | 6 | 8 | 58 |
2023 | 5 | 13 | 2 | 18 | 15 | 18 | 1 | 0 | 0 | 2 | 0 | 0 | 74 |
Total | 30 | 64 | 285 | 870 | 1776 | 539 | 121 | 97 | 124 | 195 | 119 | 38 | 4258 |
Avg. | 0.4 | 0.9 | 3.9 | 11.8 | 24.0 | 7.3 | 1.6 | 1.3 | 1.7 | 2.6 | 1.6 | 0.5 | 57.5 |
Most | 5 | 13 | 17 | 56 | 105 | 28 | 7 | 13 | 16 | 34 | 16 | 8 | 149 |
When | 2023 | 2023 | 1991 | 2024 | 2019 | 1995 | 1956 | 1979 | 1992 | 2021 | 2024 | 2022 | 2019 |
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 | Many Years | Many Years | Many Years | Many Years | Many Years | Many Years | Many Years | 2014 |
Preliminary Numbers for 2024 | |||||||||||||
2024 | 0 | 0 | 2 | 56 | 52 | 0 | 1 | 0 | 1 | 2 | 16 | - | 130 |
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 | 2019 | 149 | 6 | 1957 | 107 | 1 | 2014 | 16 | 6 | 1952 | 22 |
2 | 1999 | 145 | 7 | 2010 | 103 | 2 | 1988 | 17 | 7 (tie) | 1987 | 23 |
3 | 2024 | 130 | 8 | 1982 | 101 | 3 | 2002 | 18 | 1950 | 23 | |
4 | 2011 | 119 | 9 | 1960 | 98 | 4 | 1989 | 20 | 9 | 1980 | 25 |
5 | 2015 | 111 | 10 | 1983 | 92 | 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 | 2023 | 5 | 1 | 2023 | 13 | 1 | 1991 | 17 | 1 | 2024 | 56 |
2 (tie) | 2008 | 4 | 2 (tie) | 2009 | 6 | 2 | 1959 | 16 | 2 | 2012 | 54 |
1967 | 4 | 1975 | 6 | 3 | 2000 | 15 | 3 | 2011 | 51 | ||
1957 | 4 | 4 (tie) | 1961 | 4 | 4 | 2008 | 13 | 4 | 1957 | 40 | |
5 | 2020 | 3 | 1953 | 4 | 5 | 2004 | 12 | 5 | 2016 | 27 | |
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 | 2021 | 34 | 1 | 2024 | 16 | 1 | 2022 | 8 |
2 | 1970 | 9 | 2 | 1998 | 27 | 2 | 1958 | 12 | 2 (tie) | 1982 | 4 |
3 (tie) | 1996 | 7 | 3 | 2001 | 19 | 3 | 2011 | 11 | 1975 | 4 | |
1986 | 7 | 4 | 2018 | 12 | 4 | 2015 | 9 | 1971 | 4 | ||
5 | 2001 | 6 | 5 | 2017 | 9 | 5 (tie) | 1973/1983 | 8 | 5 (tie) | 2015* | 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 | 2022-23 | 26 | 1 | 2019 | 127 | 1 | 1995 | 34 | 1 | 2021 | 38 |
2 (tie) | 2008-09 | 7 | 2 | 1999 | 115 | 2 | 1962 | 30 | 2 | 1998 | 34 |
1975-76 | 7 | 3 | 2024 | 110 | 3 | 1955 | 28 | 3 | 2001 | 25 | |
1974-75 | 7 | 4 | 2011 | 96 | 4 (tie) | 1974 | 27 | 4 | 2024 | 18 | |
5 (tie) | 2019-20* | 5 | 5 | 2015 | 95 | 1967 | 27 | 5 (tie) | 1970/1992 | 17 |