Cloud Connoisseur Collection
Article on two new books dealing with unusual cloud formations described
http://www.newscientist.com/gallery/dn17178-extraordinary-clouds
Fallstreak holes
Roll cloud
Altocumulus lenticularis
Cap cloud
Wave clouds
Virga
Mammatus at the base of a storm cloud
Kelvin-Helmholtz
Horseshoe vortex
The cure for a fallacious argument is a better argument, not the suppression of ideas.
-- Carl Sagan