homeaboutarchives + tagsshopmembership!
aboutarchivesshopmembership!
aboutarchivesmembers!

Noctilucent clouds (really high whispy clouds) were

posted by Jason Kottke   May 01, 2007

Noctilucent clouds (really high whispy clouds) were so common where I grew up in WI that I thought they were normal. Turns out they only appear in higher latitudes, at least until recently when global warming has caused them to appear more frequently and further south.