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Facts about F4 and EF4 tornadoes:
- In assessing tornado damage, the most difficult difference to determine is between (E)F4 and (E)F5 damage as both involve structures that are completely destroyed.
- The winds required to do F4 damage were originally estimated at 207-260 mph. However in the 21st century this estimate was found to be too high an was lowered to 166-200 mph for an EF4 tornado.
- Although F5 and EF5 tornadoes are generally the most destructive, several F4 tornadoes have temporarily held the title of costliest tornado in U.S. history. Most recently the Tuscaloosa, Alabama EF4 tornado of 2011 held that title with damage totaling $2.2 billion until the Joplin, Missouri EF5 tornado beat that record three weeks later.
- Even though F5 tornadoes are generally deadlier, more deaths in total result from F4 tornadoes because they are more common.
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What is the size of an F4 tornado?
There is no given size for a tornado of any rating. The ratings of tornadoes are based on the severity of the damage caused by the tornado. A rating of F4, for example, indicates that well-built houses were completely leveled. While tornadoes of F4 strength are typically very large they don't have to be. Some have been only 100 yards wide while other have been over 2 miles wide.
Can you show me a picture of a huge tornado?
The link below lead to photographs of the very large F4 tornado that hit Wichita Falls, Texas on April 10, 1979.
What was the Hallam Tornado?
The Hallam tornado was a massive F4 tornado that destroyed much of the small town of Hallam, Nebraska on May 22, 2004, killing 1 person. The tornado is notable in that at one point it was 2.5 miles wide, making it the largest tornado ever recorded.
Can a supercell thunderhead cause a tornado?
Yes, in fact the vast majority of tornadoes, including all of those rated F4 and F5, are produced by supercells.
Did Pennsylvania ever have a tornado?
Yes. Pennsylvania gets a few tornadoes every year. Most of them are weak, but some have been as strong as F4 and even F5.
What was the rating for the goliad tornado?
The Goliad, Texas tornado was an F4.
An F4 or greater tornado is classified as?
An F4 or higher tornado (the only higher rating being F5) is classified as violent.
When was the 1989 Hamden Connecticut F4 Tornado?
The F4 tornado that hit Hamden, Connecticut in 1989 struck on July 10.
How fast is an f4 tornado?
The estimated wind range for an F4 tornado is 207-260 mph. On the Enhanced Fujita scale this was change to 166-200 mph for an EF4 tornado.
How strong was the Hallem Nebraska tornado?
The Hallam, Nebraska tornado was rated F4
How bad is an F4 tornado?
An F4 tornado can be devastating. An F4 tornado will level well-built houses and strip bark from trees. Such tornadoes have been known to wipe out large sections of cities and towns. While most of the worst tornadoes in U.S. history have been F5s, several F4 tornadoes are on that list as well.
What was the Wichita falls tornado rating?
The infamous 1979 Wichita Falls tornado was an F4.
What type of tornado can flatten houses?
It usually takes at least an F4 tornado to flatten houses.
Is there a such thing as a F4 tornado?
Yes. F4 is the second strongest category on the Fujita scale, indicating an extremely powerful tornado that can completely level well-built homes.
San Antonio TX F4 tornado?
An F4 tornado moved along the northern part of the San Antonio area on April 28, 1953, killing one person.
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.
Is a F4 tornado 1 quarter mile?
An F4 tornado can be a quarter of a mile wide, but that is by no means a requirement. Tornado ratings are based on the severity of the damage, not the size of the tornado. There is a tendency for violent tornadoes to be large, but they don't have to be. A path width of 1/4 mile would not be uncommon for an F4, but sizes have ranged from as small as 100 yards to as wide as 2.5 miles.
