Monitoring the Rift: Winterfin Cavern

I need to compile my notes and prepare a presentation for my colleagues in Dalaran.$b$bWhile I do, I must ask that you visit the Winterfin Cavern to the north. You must use the Arcanometer while standing in the mouth of the cavern.$b$bReturn to me at once when you have the data. My documentation will be incomplete without it.