Well there's more than one way of looking at that.
Some people consider a super tornado one that is stronger than F5.
No such tornado has ever occurred.
Others might consider a super tornado to be one rated F4 or F5. Those tornadoes have occurred and will continue to occur.
it is dangerous because you never know what would happen to u
Tornadoes can happen in any place that gets thunderstorms.
There was never a Super Tuesday Tornado. However there was the Super Tuesday tornado outbreak, which was a series of 86 tornadoes that struck the U.S. on February 5 and 6 of 2008. Tornadoes in the outbreak impacted Texas, Louisiana, Arkansas, Missouri, Mississippi, Tennessee, Alabama, Kentucky, Illinois, and Indiana. Arkansas and Tennessee were hit by the worst tornadoes of the event.
Tornadoes happen in Miami for the same reason they happen anywhere else. See the related question for how tornadoes form in general.
Tornadoes can happen in Ottawa. Canada does get tornadoes, though not as often as the U.S. due to its cooler climate.
Tornadoes can happen anywhere in the world except cold areas like Antarctica and the north pole. Tornadoes are mostly common in United States.
Yes. Tornadoes, including some significant ones, can and do happen the the Philippines.
Tornadoes can happen anywhere - they're usually formed from severe thunderstorms.
Most tornadoes in the U.S. happen in spring and early summer.
Tornadoes happen in the summer every year.
Sicily Tornadoes happened in 1851.
Tornadoes happen in all seasons but are most common in the spring.