The Enhanced Fujita Scale, which came into use on Feb. 1, 2007, assigns tornadoes a rating based on wind speeds estimated off ...

When a tornado hits, it later is assigned a number on the Enhanced Fujita scale, ranging from EF-0 (65 mph to 85 mph) to EF-5 (winds over 200 mph), per the NWS.

Out of the 22 F5 or EF-5 tornadoes recorded since 1980, the average size of these devastating storms came out to around 1,100 metres in width. The tornado that struck Elie?