National Weather Service Weather Forecast Office

Through October 25nd, Wisconsin has experienced 18 documented tornadoes.  Recently, a weak tornado was verified in Price County on October 8th.  The last time Wisconsin had an October tornado was in 1992 when four occurred.    Normally, Wisconsin has a total of 21 for the entire year.  In 2006 Wisconsin had 13 tornadoes, and in 2005 it had 62 tornadoes (27 on August 18th).

Here’s a brief summary of what we know for 2007 (only preliminary)...

1.     Mar 31st -  Grant County, near Potosi                            EF0

2.     May 26th - Grant County, near Cuba City                       EF0

3.     May 26th - Polk County, near Milltown                            EF0

4.     Jun 1st - Lafayette County, south of Shullsburg           EF0

5.     Jun 1st -  Lafayette County, east of Shullsburg            EF0

6.     Jun 2nd - Washington County, north of Richfield         EF0

7.     Jun 3rd -  Washington County, east of Jackson           EF1

8.     Jun 3rd - Shawano County, southeast of Shawano    EF0

9.     Jun 3rd - Grant County, 2SE Potosi        EF0

10.   Jun 3rd - Grant County, Potosi                 EF0

11.   Jun 3rd - Grant County, 2S Tennyson       EF0

12.   Jun 7th - Marathon County, east of Mosinee to south of Hatley     EF2

13.   Jun 7th - Wood County, west/southwest of Wisconsin Rapids     EF0

14.   Jun 7th - Shawano/Menominee/Langlade/Oconto Counties         EF3  

          long track of 40.1 miles        ...3 injuries

15.   Jun 7th - Marinette County, north of Wausaukee           EF1...with 1 injury

16.   Jun 7th - Marinette County, soutwest of Porterfield       EF1

17.   Sep 27th - Racine County - 3.5 E North Cape         EF0

18.   Oct 8th - Price County - Fifield      EF0

 

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The 2007 breakdown for Wisconsin...
EF0...12
EF1...3
EF2...1
EF3...1
EF4...0
EF5...0
Number of tornado-related fatalities...0
Number of tornado-related injuries....4

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The Milwaukee/Sullivan weather office has warning responsibility in
South-central and southeast wisconsin for 20 counties.

In this area...there were 5 tornadoes in 2007. This area averaged
7.4 tornadoes per year for the 30-year period of 1971-2000 in which
there were 222 tornadoes.

The greatest number of tornadoes in a year for south-central and
southeast wisconsin was 19 in 2005.  The least number of tornadoes
was 2 in the years of 1976...1990... 1995...and 1999.

Here’s the yearly breakdown for number of tornadoes in each year across

south-central and southeast Wisconsin...

1971...7

1972...14

1973...4

1974...5

1975...5

1976...2

1977...7

1978...5

1979...12

1980...17

1981...10

1982...3

1983...9

1984...15

1985...6

1986...6

1987...7

1988...11

1989...11

1990...2

1991...5

1992...8

1993...16

1994...8

1995...2

1996...13

1997...4

1998...2

1999...2

2000...5

2001...4

2002...4

2003...9

2004...14

2005...19

2006...10

2007...5

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