If you like weather, you should be reading Brendan Loy’s blog. Today he has some lovely cloud photography, including a nice photo of mammatus clouds.
Mammatus clouds (here’s the wikipedia article) must be fairly rare, as I have only ever seen them once that I can remember. Well-formed ones directly overhead are extremely striking. Here is one example. Here is another photo that unfortunately lacks context clues.
I am not a weather nerd of any type, but after I saw the strange, pendulous formations in the sky once, the first thing I did was to Google "cloud formations" to find the name of such a thing. As soon as I saw the term "mammatus cloud" I knew that had to be the term I sought…
bearing blog 
