Tornadoes are called a thunderstorm's worst killer.
Lightning is often considered the most deadly aspect of a thunderstorm, as it can strike and injure or kill individuals. Additionally, flash flooding caused by heavy rainfall during thunderstorms can also be a significant threat to life and property.
Such thunderstorms are called supercells.
Violent thunderstorms are called supercell thunderstorms. These storms are characterized by rotating updrafts and have the potential to produce severe weather such as large hail, damaging winds, tornadoes, and heavy rainfall.
A tornado is called a killer if it kills somebody.
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thunderstorms
Tornadoes are usually associated with especially powerful thunderstorms called supercells.
thunderstorms
A sudden electrical charge that accompanies thunderstorms is called lightning.
Keraunophobia is the fear of thunderstorms.
thunderstorms
In some thunderstorms chunks of ice that fall out are called 'hailstones' i don't know what the scientific name is for them. hope that helped :)