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What percentage of tornadoes are F5 and F4?
A little more than 1% of tornadoes are rated F4 and F5 with F5 tornadoes being less than 0.1%
What percentage of tornadoes are rated at F4 or higher?
About 1.1% of tornadoes are rated F4, and less than .1% are rated F5.
Which us state has the most F4 and F5 tornadoes?
Oklahoma has had the most F4 and F5 tornadoes. Though it is tied with Texas, Iowa, and Alabama in terms of F5 tornadoes in the past 60 years.
How many F4 tornadoes has Ohio had?
There have only been 2 F4 tornadoes in Florida.
What is the average number of f4 tornadoes in February?
There have been 19 F4/EF4 tornadoes in February since 1950. This works out to an average of 0.3 each February or a little less than 1 F4 every 3 Februaries.
Where did a f4 tornado hit?
There have been many F4 and EF4 tornadoes. Tornadoes of this intensity have been known to hit the U.S., Canada, Mexico, The UK, Germany and are believed to have struck a number of others. The link below shows the locations of F4 and EF4 tornadoes in the U.S. from 1950 through 2010.
Was the St. Louis Tornado categorized as a F4?
There have been a number of tornadoes that have stuck St. Louis including a few F4 tornadoes. The most significant tornado to strike the city, which occurred on May 27, 1896 and killed 255 was an F4.
How many tornadoes are violent?
A tornado is defined as a "violently rotating column of air." However, a violent tornado is generally considered one rated F4 or F5 an which case, then less than 1 percent of tornadoes are rated as violent.
How often do f4 tornadoes occur?
It varies. The United States averages between 8 and 9 F4 (now EF4 as of 2007) tornadoes per year. There is significant variation though, ranging from a low of 1 F4 tornado in 2005 to a high of 30 in 1974.
Are tornadoes a serious threat to Georgia?
Yes. The state has seen a number of major outbreaks with tornadoes as strong as F4.
Do violent tornadoes occur in South Africa?
Yes. Tornadoes as strong as F4 have been recorded in South Africa.
When do most violent tornadoes happen?
Most violent tornadoes (F4 and F5) occur in the months of March-June.
