Covey of clouds

 

Clowd of clouds

Clouds are clouds  - these have iridescence and crepuscular rays, both in one formation. 

 

 

Dark rays of light

 

Storm to come

 

On a sunny afternoon, spectacular crepuscular rays emanate from dark clouds, foreshadowing the developing hailstorm.

 

Antisolar rays

Rays in the eastern sky

It took a triple take to be sure that these rays really were there in the eastern sky just after sunset.   They are called "anticrepuscular rays" and seem to come from the antisolar point. 

Power blast

Downward directed ray

This 3d relaxed view stereogram captured what appears to be an emission from an aerial vehicle.