Not really. A tornado is a specific type of storm. So a tornado is a storm, but most storms are not tornadoes.
A tornado is a violently rotating column of air extending from the base of a thunderstorm to the ground often made visible by a funnel cloud.
No, storms and supercell storms are not the same thing. A supercell storm is a specific type of severe thunderstorm that has a rotating updraft, which can lead to the formation of tornadoes. Not all storms are supercells, but all supercell storms are by definition severe.
The nouns are "tornadoes" and "storms"
Yes there are dust Storms and Tornadoes on Uranus
Severe thunderstorms are what produce tornadoes. The same general conditions(warm mist air meeting cool dry air, wind shear, etc.) that can produce tornadoes can also lead to strong to severe thunderstorms, even if those storms don't produce tornadoes. Another factor may be psychological; after such devastating tornadoes people may be more aware of the severity of the storms that come through.
Tornadoes and twisters are the exact same thing.
No. Storms and hurricanes can create tornados.
Tornadoes are caused by thunderstorms, typically by supercells. Howevere squall lines and multicell storms can sometimes produce tornadoes as well.
No. A hurricane is a type of storm, but most storms are not hurricanes.
There is no proper noun. Both nouns in the sentence ("tornadoes" and "storms") are common nouns.
rain storms thunder storms snow storms sand storms dust storms hail storms tornadoes although they are rare
yes
Yes, in fact tornadoes can only be formed by thunderstorms.