Microsoft has a free iOS app called PhotoSynth that stitches photos together into a panorama. It does a pretty good job. Here’s an example:
That’s cropped and slightly color-corrected. The original looks like this.
We see clouds like that during the summer monsoons. They rarely turn to rain (or this wouldn’t be a desert) but they bring a fair bit of humidity with them, making it not all that pleasant to be outdoors.