Question

What is a thunderstorm? How different from normal wind?

Answer 1

a storm with thunder and lightning and typically also heavy rain or hail. Average Maximum Speeds. The National Oceanographic and Atmospheric Administration classifies thunderstorms as severe when they are accompanied by hailstones larger than three quarters of an inch in diameter, and tornadoes or wind speeds of more than 93 kilometers per hour (58 miles per hour).

Answer 2

A thunderstorm is a combination of wind formed by two alternative coming winds crashing together.When the winds are crashed they carry some clouds which are full of water so they start raining.
The speed of the normal wind is different from that of the thunderstorms and thunderstorms contains thundery strikes.