10 Very Rare Cloud Formations

kickingshoes:

owlygem:

arrogantlampshade:

1. Nacreous Clouds

2. Mammatus Clouds

3. Altocumulus Castelanus

4. Noctilucent Clouds

5. Mushroom Clouds

6. Cirrus Kelvin-Helmholtz

7. Lenticular Clouds

8. Roll Clouds

9. Shelf Clouds

10. Stratocumulus Clouds

damn nature, you pretty!

Always reblog stuff like this for future ref!

Apparently this has been ALL OVER tumblr. XD  But - gaaaaaah.  I totally understand why.  I love these.  ALL OF THEM. 

(Source: collthings.co.uk)