How to protect themselves from lightning?

Avoid the edges and vertices.
If one is surprised on a summit, down below and as soon as possible.
Away from any metal (ice axes, crampons, carabiners, pitons, telescopic poles, towers, etc.)..

Do not park under a single tree, or under an overhang.
Avoid handling any conductor of electricity (water running off …).
Sit on the floor, because lightning is attracted to anything that goes beyond (a tree, a peak or a man standing). Do not lie down or rest against a wall.
Isolated maximum soil through any insulating material: roll rope, sleeping bag or backpack in which the frame is placed on the ground.

The storm is coming from various phenomena:
- The sky darkens rapidly Over the sky is dark, the cloud is more dense.

- The wind is increasing and turns to the gust. These bursts often precede heavy rains .

- Your radio sizzles and reveals a strong electrical activity, due to lightning nearby.

- In the mountains, you can see light fragrance at the end of objects (St. Elme lights) or hear buzzing diffuse. These signs indicate an impending coup de foudre.