Yes. F4 is the second strongest category on the Fujita scale, indicating an extremely powerful tornado that can completely level well-built homes.
No 5 is tops at the moment...
No, an F5 tornado is the highest.
Picher, Oklahoma was hit by an EF4 tornado (same thing as an F4, just on a somewhat different scale) on May 10, 2008
An F4 or higher tornado (the only higher rating being F5) is classified as violent.
The F4 tornado that hit Hamden, Connecticut in 1989 struck on July 10.
The Goliad, Texas tornado was an F4.
There is no such thing as an F4 hurricane. F4 is a rating applied to tornadoes. Initially winds for an F4 tornado were estimated at 207 to 261 mph. However, this has since been found to bee too high and adjusted to 166 to 200 mph for an EF4 tornado. A category 4 hurricane has sustained winds of 130 to 156 mph.
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 Hallam, Nebraska tornado was rated F4
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.
The infamous 1979 Wichita Falls tornado was an F4.
It usually takes at least an F4 tornado to flatten houses.
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.