The Enhanced Fujita Scale is a classification system for tornadoes. A tornadocan be classified in six different strengths, from EF-0 to EF-5, under thissystem. EF-0 is the weakest tornado while EF-5 is the strongest. The EnhancedFujita Scale estimates wind speeds of the tornado that went through aparticular area based on the damage it has caused. An example of EF-0 damagewould be shingles torn off a building. In an EF-5 tornado, the building wouldbe leveled.Based on the devastation that was left in Joplin, Mo., this past Sunday, it wasdetermined that a strong EF-4 tornado went through the city. The tornado couldhave produced winds near 200 mph.

Story by Meteorologist Andy Mussoline