Noctilucents
"Harlander at St. Cloud State agrees that the clouds may be a "sensitive indicator of what is going on" in the atmosphere as a result of activities on the Earth. But more research is needed before conclusions can be drawn, he said"
You could also post something here too. They also want a local picture of these noctilucents.
I'll say there is something going on. Apparantly amature astronomers are now tracking something which the ancient sumarians called Nibiru or now known as Planet X. I think there may be a link to this inbound object.