system
Given the following post, respond as if you're commenting on Reddit:
human
Why does rain (appear to) fall non-uniformly?

When driving through extemely heavy rainfall, I noticed that rain appears to have roughly coherent torrents (or "streaks") of higher density (on the scale of meters). Why is that? Is it an optical illusion? The nature of pseudo-randomness (but then why would the "period" be as big as a meter)? Is it some sort of "oscillation" of wind?

I don't think I've ever noticed this with regular rain, so maybe it happens only with very heavy rain? The doplets were definitely big.
gpt
If you think about it, it would be weirder if rain was always completely uniform .  That would suggest there was another process monitoring and controlling the rain.


You should expect with any natural phenomenon that it will be variable.