Strange cloud formations in New Zealand

I know some smart person is going to mention HAARP!

“They’ve just begun to be studied in 2006.”

Do they mean, that is when they started to appear?

Asperatus Clouds Swirling Over New Zealand

Loosely translating as “roughened or agitated waves”, while the Undulatus asperatus clouds above appear somewhat menacing, storms seldom follow their dissipation. Not much is known about these clouds, as they’ve just begun to be studied in 2006.

http://all-that-is-interesting.com/asperatus-clouds-over-new-zealand