Wisconsin isn't at the most risk. Wisconsin usually has cooler weather, so usually they don't have tornadoes. But you never know, there could be a tornado in Wisconsin. But usually, states that are in Tornado Alley like Kansas, Texas, etc. or are more south like in Louisiana, Tennessee, Georgia, etc.
May-July, but can occur at ANY time of year.
Mostly in the spring and summer if the weather is right.
Tornadoes are most common in Illinois in the spring, with May and June as the typical peak months.
summer months
During Spring and Summer.
It is unusual. The months of April, May, and June are generally the most active. Looking at those 3 months in the years 1990-2011 shows that only 4 of them had 400 or more tornadoes: May of 2003 with 542 tornadoes May of 2004 with 509 May of 2008 with 462 April of 2011 with a record 758 tornadoes. June of 1992 and May of 1999 came close, with 399 and 392 tornadoes respectively.
In Tornadoes are most common in the spring and early summer. For the U.S. this period consists of April, May, and June. Tornadoes are a product of severe thunderstorms, most often a type of rotating storm called a supercell.
Tornadoes need a combination of factors to form, and these factors are often associated with thunderstorms, which are most likely to occur in the warmer months. Factors include:strong spinning effects inside a thunderstorm or in the air surrounding the stormstrong winds moving vertically upwardhigh surface temperaturessteep moisture and temperature gradients, i.e. rapid changes in temperature and moisture which occur as air rises and fallsa deep layer of mid-atmospheric dry air above a moist surface layer - again, the moist surface layer is associated with warmer monthsHowever, it should be noted that, because thunderstorms are not restricted only to Spring and Summer, then neither are tornadoes. Tornadoes can form wherever there are thunderstorms. Tornadoes are also more likely to occur in the late afternoon or early evening, when there is more likely to be sharp temperature gradients.
While the actual number of tornadoes that occur each year can't be measured, the United States sees an average of 1,000 tornadoes in a year. Most tornadoes hit between 4 and 9 pm in the evening.
April, May, and June.
During summer months like may, June and July.
Tornadoes are most likely to occur in the northeastern part of Texas, ranging from the Texas Panhandle to near the Arkansas state line and south to around the Dallas/Fort Worth area.
Tornadoes are very likely to form in the United States and destroy property there frequently during the spring and summer months. One section of the central United States is even nicknamed Tornado Alley due to the high number of tornadoes that move through there.
Tornadoes occur in all months, but activity most often peaks in May.
Records suggest that the months with the least tornado activity in Georgia are July, August, and October.
Tornadoes occur in all twelve months of the year, not just two. May and June are the most active months for tornadoes.
Hurricanes and tornadoes are a common occurrence especially during the warmer months of the year in the United States. Typically Hurricanes target the Atlantic and Gulf coasts of the country. Tornadoes can spring up in every part of the country but are usually focused in the south and central areas of the country.
Although tornadoes can occur in any month, the peak three months for tornadoes are April, May, and June.
Typically, Illinois sees the most tornadoes in May.
Based on finalized records for 2005-2011 and a preliminary count for 2012 the U.S. has had 10,205 confirmed tornadoes since 2005. Note that this figure is likely higher, as late reports of weak tornadoes in 2012 are likely to file in for the next few months.
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