How to detect there the impact of lightning?

What is lightning, lightning and thunder?
Lightning is an electric shock. The lightning is the visible result of the warm air, while the thunder is the noise produced by the vibration of air along the electric shock during propagation. In a few thousandths of a second, air temperature reaching 30 ° C and 000 suffered heavy cuts dilatations followed by equally violent. These sudden movements and successive produce sound waves that produce clicks, rumbles of thunder and bearings.

The company METEORAGE (www.meteorage.fr), a subsidiary of Meteo-France, since 1987 detects the impact of lightning on French soil by a network of 18 sensors that detect and localize. Agreements with the networks of neighboring countries (Italy, Spain and Benelux) for exploiting the boundary of 12 sensors. With maps of points of impact, the thunderstorm activity can be monitored in real time on the Internet or Minitel. METEORAGE also provides alerts lightning or assess the risk of lightning strike to a given site.