An EF3 tornado is the third most intense tornado on the Enhanced Fujita Scale. An EF3 will have wind speed between 136 and 165 mph (218 and 266 km/h). The damage from an EF3 tornado will be severe. On the now retired Fujita Scale, the tornado damage scale that the Enhanced Fujita Scale replaced, an EF3 tornado use to be an F3 tornado. An F3 tornado had wind speeds between 158 and 206 mph (254 and 332 km/h).
An EF3 tornado, the third strongest tornado on the Enhanced Fujita scale, will cause severe damage. EF3 wind speeds can destroy framed and well-constructed homes. Larger buildings, such as retail stores and commercial buildings can be heavily damaged. An entire train can be overturned. The bark can be completely stripped off trees. Weak foundations can be badly damaged.
Below is a list of the top 5 deadliest EF3 tornadoes between Feb 1st, 2007 and 2017.
Below are photos of some EF3 tornadoes throughout history.