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Quick Answer. Tornadoes can last from a few seconds to over an hour, although most last less than 10 minutes. They form from mesocyclones, which are areas of organized rotation within supercell thunderstorms. Scientists still don't know why some mesocyclones become tornadoes and some do not.
It varies, but the average is about 10 minutes, and the median  duration is about 2 minutes.   However, a tornado can last anywhere from just a few seconds to  over an h â¦ our.The longest lived tornado on record lasted 3.5 hours.+ 57 others found this useful.sually sexual intercourse lasts longer as people get more experienced and know what to expect. But with a new partner it can take time for people to get used to each other. Also every time people have sex it is different, depending on how they feel and what they want.