Coup de tonnerre: What You Need to Know

What is a Coup de Tonnerre?

A coup de tonnerre is a sudden, loud thunderclap caused by a nearby lightning strike. It is the French term for "thunderclap" and is often used to describe a loud, unexpected event.

Causes of a Coup de Tonnerre

A coup de tonnerre is caused by the rapid heating and expansion of air around a lightning strike. This expansion creates a shock wave that travels through the air at supersonic speeds, producing a loud thunderclap.

Dangers of a Coup de Tonnerre

A coup de tonnerre can be dangerous, especially if you are caught outdoors during a thunderstorm. The shock wave from a lightning strike can cause serious injuries or even death.

How to Stay Safe During a Coup de Tonnerre

If you are caught outdoors during a thunderstorm, it is important to take precautions to stay safe from a coup de tonnerre.

• Seek shelter in a sturdy building or vehicle.
• Stay away from windows, doors, and plumbing.
• Do not use electronic devices.
• If you are in a boat, get out of the water and seek shelter on land.

Other Interesting Facts About Coup de Tonnerre

Here are some other interesting facts about coup de tonnerre:

• The average coup de tonnerre is about 120 decibels, which is about as loud as a jet engine.
• The sound of a coup de tonnerre can travel for miles.
• A coup de tonnerre can cause the ground to shake.