The edge of a storm - where heavy clouds meet breaks of light - produces some of the most dramatic landscape photographs possible. Crepuscular rays (god rays) punching through gaps, dark anvil clouds towering above sunlit valleys, and the raw energy of weather in motion.
Inverza looks for high cloud cover (60-95%) combined with strong winds (20+ km/h) and gaps in the coverage. Full overcast scores lower because it lacks the contrast and light breaks that make storm images compelling. Wind provides movement and texture in the clouds.