Did you know that the white and red stripes on a windsock are not for decoration?
They actually indicate precise wind speeds.
Here's how. 
Discussion
What if it’s more than 15 knots? 🤔
Pretty sure I saw the bottom right a few times on DZs when jump master signaled 2 knots lol nostr:nprofile1qqsd846pynwlkk7uvxu0rrghcve4hw6033c3s234acnnzjjf5n4hk8gppemhxue69uhkummn9ekx7mp0qy08wumn8ghj7mn0wd68yttsw43zuam9d3kx7unyv4ezumn9wshsz8thwden5te0dehhxarj9e3xjarrda5kuetj9eek7cmfv9kz7msfzzy
Never jumped but that sounds like a fun one.