https://www.google.com/maps/d/u/0/viewer?mid=1XcrJcrGT68n_ySzIbC1_AmsoBS3aUGm5&hl=

You’re not kidding, holy crap!
Is that near Moore, OK? If so it’s part tornado alley so there need to be a ton of them for early warning.
That is Oklahoma city
You can see some from Moore in there.
we drove through Moore when we went to Texas and I saw a few Whelen WPS series sirens
The real question is how many of those are inactive/broken.