LOL! I considered starting this same thread today. I'm on the east coast of Florida, and it was pretty windy here today with it coming out of the SE at 15-25mph. My Saturday group ride always travels north, then returns south to the starting point. Last week I got dropped as soon as the return ride started, so I went solo today, heading south to Jupiter. It was a slow 11.8mph average going, but coming back was fun! To answer your question, consistent 30mph will prevent me from riding. I have cycled in all of the sides streets in my neighborhood just before hurricanes have hit us. I'm too scared to travel too far when that happens. Last year Jim Cantore rented a home a few blocks from my house just before Hurricane Dorian.
I have a theory. There are headwinds and crosswinds, but no tailwinds... it's just me improving.