First up, StormGeek @wxSci, posted an article about refining wind scales
ESPOD had a great photo of twin sun dogs
ESPOD again, with All sorts of atmospheric niceties. Upper tangent arcs, sun dogs, glitter path & a halo.
Space Weather.com had a couple of GREAT Kelvin-Helmholz cloud photos
The supercell storm of 5/18, in Newcastle, WY, made the Astronomy Picture of the Day for May 21