The F4 tornado that hit Hamden, Connecticut in 1989 struck on July 10.
An F4 or higher tornado (the only higher rating being F5) is classified as violent.
The Goliad, Texas tornado was an F4.
Worldwide the worst tornado of the 1980s was the Daulatpur-Saturia tornado of April 26, 1989. It tore through two cities in central Bangladesh, killing an estimated 1,300 people, making it the deadliest tornado ever recorded. The deadliest tornado to hit the U.S. in the 1980s was the F4 Saragosa, Texas tornado of May 22, 1987, which killed 30 and injured more than 120. Honorable mentions include the F4 Huntsville, Alabama tornado of November 15, 1989 and the F5 Niles OH/Wheatland PA tornado of May 31, 1985.
The Hallam, Nebraska tornado was rated F4
November of 1988 saw 2 major outbreaks of tornadoes on November 15 and November 26-28, among these tornadoes were several F3 tornadoes and one F4. Such events are unusual for November but they do happen. 1989 also saw a major outbreak on November 15. Most of the fatalities are from a single F4 tornado in northern Alabama.
Yes. F4 is the second strongest category on the Fujita scale, indicating an extremely powerful tornado that can completely level well-built homes.
An F4 tornado moved along the northern part of the San Antonio area on April 28, 1953, killing one person.
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.
F4 and F5 are the two strongest categories of tornado on the Fujita scale. A damage based scale which rates tornadoes from F0 to F5. An F4 tornado will reduce most houses to piles of rubble. An F5 tornado will completely annihilate almost any house and wipe it clean off its foundation. Winds in an F5 can exceed 300 mph.
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.
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.
The infamous 1979 Wichita Falls tornado was an F4.