University of Chicago meteorologist Ted Fujita devised the Fujita Scale, the internationally accepted standard for measuring tornado severity. His goal was to create categories that could separate ...

The Enhanced Fujita Scale was developed and implemented in 2007 to help meteorologists to assign ratings to tornados using an increased amount of detail that its predecessor, the Fujita (F) Scale. The ...

But what is the difference? The differences between the scales are significant. The EF scale, better known as the Enhanced Fujita Scale, was adopted by the National Weather Service (NWS) in 2007. This ...

Fujita Scale, or F-Scale, levels are based on the damage caused by tornado wind speed. Dr. T. Theodore Fujita developed the scale in the early 1970s. Experts caution that the F-Scale is not a ...