Any minute now, it's going to...

...rain - and it did. Cats, dogs and all other creatures under the sun. The trusty waterproof turned out not to be, and the hailstones, whilst not quite the size of golf balls, really hurt.
Aren't bodies of water - rivers, lakes, the sea, et al. - wonderfully inspiring? They've got it all - sight, sound and smell - in spades.