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Series of Storms to Impact the West Coast

Powerful Pacific storms will keep conditions wet and windy for much of the West, especially, from northern California to western Washington. Heavy rains may produce flooding early to mid week. Heavy snow will make travel difficult from the Cascades to the northern Rockies. Snow showers continue near the Great Lakes, otherwise, dry conditions and gusty winds can be expected for much of the East. Read More >

 

Johnson County Tornado Climatology Page
1950-2018

 
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Johnson County Graphical Tornado Data

 

Tornadoes in Johnson Co. by Year


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Tornadoes in Johnson Co.
by Rating


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Tornadoes in Johnson Co.
by Intensity


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Tornadoes in Johnson Co.
by Month


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Tornadoes in Johnson Co.
by Time of Day


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Johnson County Tabular Tornado Output

To download Johnson County Tabular Tornado Output, Click Here (Excel Spreadsheet)



 
 
 
Johnson County Monthly Tornado Table 1950-2018
Johnson County 1950s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1950 0 0 0 0 0 0 0 0 0 0 0 0 0
1951 0 0 0 0 0 1 0 0 0 0 0 0 1
1952 0 0 0 0 0 0 0 0 0 0 0 0 0
1953 0 0 0 0 0 0 0 0 0 0 0 0 0
1954 0 0 0 0 0 0 0 0 0 0 0 0 0
1955 0 0 0 0 0 0 0 0 0 0 0 0 0
1956 0 0 0 0 0 0 0 1 0 0 0 0 1
1957 0 0 0 1 0 0 0 0 0 0 0 0 1
1958 0 0 0 0 0 0 0 1 0 0 0 0 1
1959 0 0 0 0 0 0 0 0 0 2 0 0 2
 
Johnson County 1960s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1960 0 0 0 0 1 0 0 0 0 0 0 0 1
1961 0 0 4 0 0 0 0 0 0 0 0 0 4
1962 0 0 0 0 0 2 0 0 1 0 0 0 3
1963 0 0 0 0 0 0 0 1 1 0 0 0 2
1964 0 0 0 0 0 0 0 0 0 0 1 0 1
1965 0 0 0 0 0 1 0 0 0 0 0 0 1
1966 0 0 0 0 0 0 0 0 0 0 0 0 0
1967 0 0 0 0 0 0 0 0 0 0 0 0 0
1968 0 0 0 0 1 0 0 0 0 0 0 2 3
1969 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Johnson County 1970s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1970 0 0 0 0 0 0 0 0 0 1 0 0 1
1971 0 1 0 3 0 0 0 0 0 1 0 3 8
1972 0 0 0 0 0 0 0 0 0 0 0 0 0
1973 0 0 0 1 1 0 0 0 0 0 1 0 3
1974 0 0 0 1 0 0 0 0 0 0 0 0 1
1975 0 0 0 1 0 0 0 0 0 0 0 0 1
1976 0 0 0 1 6 0 0 0 1 0 0 0 8
1977 0 0 0 0 0 1 0 0 1 0 0 0 2
1978 0 0 0 2 0 0 0 0 0 0 0 0 2
1979 0 0 0 0 1 0 0 0 0 1 0 0 2
 
Johnson County 1980s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1980 0 0 0 0 0 0 0 0 0 0 0 0 0
1981 0 0 0 0 0 0 0 0 0 3 2 0 5
1982 0 0 0 0 0 0 0 0 0 0 0 0 0
1983 0 0 0 0 0 0 0 0 0 0 0 0 0
1984 0 0 0 0 0 0 0 0 0 0 0 0 0
1985 0 0 0 2 0 0 0 0 0 0 0 0 2
1986 0 0 0 0 0 0 0 0 0 0 0 0 0
1987 0 0 0 0 0 0 0 0 0 0 0 0 0
1988 0 0 0 0 0 0 0 0 0 0 0 0 0
1989 0 0 0 0 1 0 0 0 0 0 0 0 1
 
Johnson County 1990s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
1990 0 0 0 0 0 0 0 0 0 0 0 0 0
1991 0 0 0 5 0 0 0 0 0 0 0 0 5
1992 0 0 0 0 0 0 0 0 0 0 0 0 0
1993 0 0 0 0 1 0 0 0 1 1 0 0 3
1994 0 0 0 3 0 0 0 0 0 0 0 0 3
1995 0 0 0 0 0 0 0 0 0 0 0 0 0
1996 0 0 0 0 0 0 0 0 0 0 0 0 0
1997 0 0 0 0 0 0 0 0 0 0 0 0 0
1998 0 0 0 0 0 0 0 0 0 0 0 0 0
1999 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Johnson County 2000s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
2000 0 0 0 0 0 0 0 0 0 0 0 0 0
2001 0 0 0 0 2 0 0 0 0 0 0 0 2
2002 0 0 0 4 0 0 0 0 0 0 0 0 4
2003 0 0 0 0 0 0 0 0 0 0 0 0 0
2004 0 0 0 0 0 0 0 0 0 0 0 0 0
2005 0 0 0 1 0 0 0 0 0 0 0 0 1
2006 0 0 0 0 0 0 0 0 0 0 0 2 2
2007 0 0 0 0 1 1 0 0 0 0 0 0 2
2008 0 0 2 1 0 0 0 0 0 0 0 0 3
2009 0 0 0 0 0 0 0 0 0 0 0 0 0
 
Johnson County 2010s Tornado Table
  Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec. Total
2010 0 0 0 2 0 0 0 0 0 0 0 0 2
2011 0 0 0 2 0 0 0 0 0 0 0 0 2
2012 0 0 0 2 0 0 0 0 0 0 0 0 2
2013 0 0 0 0 3 0 0 0 0 0 0 0 3
2014 0 0 0 0 0 0 0 0 0 0 0 0 0
2015 0 0 0 8 0 0 0 0 0 0 0 0 8
2016 0 0 0 0 0 0 0 0 0 0 0 0 0
2017 1 0 0 0 0 0 0 0 0 0 0 0 1
2018 0 2 0 0 0 0 0 0 0 0 0 -- 2
 
 

Johnson Co. Strong & Violent Tornado Table
(Sorted by Rating)

 
 
Date Fujita Rating (F/EF)
05/26/1976 F4
05/15/2013 EF3
05/26/1976 F3
11/24/1973 F3
04/23/1973 F3
03/26/1961 F3
12/29/2006 F2
04/12/1991 F2
04/12/1991 F2
04/12/1991 F2
10/13/1981 F2
04/30/1978 F2
05/26/1976 F2
04/07/1975 F2
05/06/1973 F2
12/14/1971 F2
10/19/1971 F2
04/28/1971 F2
05/13/1968 F2
06/23/1965 F2
09/06/1963 F2
09/07/1962 F2
06/28/1962 F2
06/08/1962 F2
03/26/1961 F2
03/16/1961 F2
06/16/1951 F2
 

Johnson Co. Strong & Violent Tornado Table
(Sorted by Date)

 
 
Date Fujita Rating (F/EF)
05/15/2013 EF3
12/29/2006 F2
04/12/1991 F2
04/12/1991 F2
04/12/1991 F2
10/13/1981 F2
04/30/1978 F2
05/26/1976 F4
05/26/1976 F3
05/26/1976 F2
04/07/1975 F2
11/24/1973 F3
05/06/1973 F2
04/23/1973 F3
12/14/1971 F2
10/19/1971 F2
04/28/1971 F2
05/13/1968 F2
06/23/1965 F2
09/06/1963 F2
09/07/1962 F2
06/28/1962 F2
06/08/1962 F2
03/26/1961 F3
03/26/1961 F2
03/16/1961 F2
06/16/1951 F2

Johnson Co. Top Months with MOST confirmed Tornadoes

 
Month/Year Number of Confirmed Tornadoes
04/2015 8
05/1976 6
04/1991 5
03/1961 4
04/2002 4

Johnson Co. Top Days with MOST confirmed Tornadoes

 
Date Number of Confirmed Tornadoes
04/26/2015 8
05/26/1976 6
04/12/1991 5
04/16/2002 4
04/28/1971 3
05/15/2013 3
10/13/1981 3
12/14/1971 3
03/16/1961 2
03/26/1961 2
03/31/2008 2