Definition : Lightning / phenomena / occur / during / storm.



steps:


1.the charges are separated by the turbulence in the cloud .
2. some of the negative charges are pushed down away from the surface, and a net positive charge is left on the surface
lightning1[1].gif
3. the positive and negative charges are pulled toward each other.
4. the invisible stroke that is called a stepped leader is formed.
5.the negative and positive parts of the stepped leader are connected in a conductive path from the cloud to the ground.
lightning2[1].gif
6. the negative charges are rushed down the ground and caused visible stroke.
7. the visible stroke is rushed upward, even though the charges are moved downward
lightning3[1].gif