Three out of Five Cat. 5 Storms had Lightning

Not sure where to post this but here it goes.

The boom of thunder and crackle of lightning generally mean one thing: a storm is coming. Curiously, though, the biggest storms of all, hurricanes, are notoriously lacking in lightning. Hurricanes blow, they rain, they flood, but seldom do they crackle. Surprise: During the record-setting hurricane season of 2005 three of the most powerful storms--Rita, Katrina, and Emily--did have lightning, lots of it. And researchers would like to know why.

Before I found this article, I wasn't aware that hurricanes seldom have lightning, that is till 2005. Now like the researchers working on this project, I would like to know why these storms contained alot of lightning....here is the Link

If this has allready been a thread here at ATS, sorry my bad. But if not I thought ATS would like to see what I found