10 Very Rare Cloud Formations
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
Hmm, I should keep my eye out for these from now on, they look interesting.
I’ve seen mammatus clouds and shit they are TERRIFYING in real life
especially when you’re driving and it’s raining really hard
(Source: collthings.co.uk, via dersitetowers)









