The clouds looked so like waves on the ocean it was unbelievable. I think if I could replace the red with blue you would swear it is ocean waves. Yes, a lava sea. I liked the suggestion I should have called it The Red Sea.
Maybe even redder. I do not enhance color, use contrast or much of anything except resize and frame and maybe clone out a blurred bird. You can read about it here: [link] This photo was taken 2 minutes earlier the same evening.
That's why I sent you the link since there are NOAA's links to their articles on the Science of Sunsets which explains when, where and why you get certain colors in sunsets including photographs examples. It comes down to clean air in the final analysis.