Since tornadoes are a form of weather they would be studied mostly by meteorologists. Some of these may be storm chasers, who conduct research in the field with tornadoes as they occur, though most storm chasers are not scientists.
a person who learns about the world by observing it.
An Entomologist is a person who studies insects.
In these politically correct times I guess that would be a tradesperson.
The average person learns about 27% of information everyday.
Learns is present tense, 3rd person singular. Example: He learns how to read.
there isn't actually a name for these people. They are referred to as "storm chasers" or just "chasers", but that is just a slang term for them. Meteorologists are scientists who study the weather, and tornadoes are included with the weather.
Tornadoes are often referred to simply as "tornadoes" or "twisters."
A person who learns a lot is often referred to as a scholar, a knowledgeable individual, or simply well-learned.
Tornadoes are severe wind storms and do not speak, let alone call out a name.
Tornadoes are often called twisters.
an apprentice.
A person who learns a job from another person.