what is green lightning?

Question

ive been told as lightning hits transformers and they blow it glows green, but i dont beleive that thoery?

Answer 1

the colors you see in lightning are caused by the gases it releases into the atmosphere. Read this

http://webexhibits.org/causesofcolor/4.html

A green SKY during a lightning storm is a sign of a very dangerous storm condition, and is usually caused by light reflecting off hail that has formed
http://www.madsci.org/posts/archives/oct98/908234034.Es.r.html