Mammatus:
http://www.examiner.com/x-11705-NY-Holistic-Body--Spirit-Examiner~y2009m6d27-Strange-cloud-formations-over-NYC
Asperatus:
http://www.guardian.co.uk/environment/gallery/2009/jun/01/2?picture=348217732
Are the aliens finally invading? Lessee, Roswell, NM UFO crashed 1947, no new cloud formations recognized since 1951. I guess it's time.