What is a thunder storm? A tunder storm is a cloud that produces a lot of rain and with the rain comes the lightning.Lightning is super hot light is hotter than the sun.There is a rare phenomenon called lightning ball it is a ball that has lightning that only lasts a few seconds it is so rare there is only one video record for a ball lightning.
A thunderstorm forms because there is a pocket of cold air and it is hire than the cloud and it weys down the cloud wich is floating water or water vapor.
Next the water keeps on condensing and the cloud gets heavier and heavier.
After the water gets so heavy the wind can't carry it anymore and the droplets start rubbing against each other and that kraits lightning.
Last it rains and there is rain and lightning sometimes even ball lightning.