This trapezoid shaped clearing in Modoc county, CA, has an interesting purpose. See image below:
I visited this years ago, but didn’t learn until today that NOAA started using it for “climate research”. Even “Tropical storms and hurricanes were tracked, and a system for delivering radar-derived winds to the National Hurricane Center was developed.”
Here’s a wind vector image from it:
Apparently it has now been decommissioned and disassembled.
Full story here.
The scientific paper about its use in weather and climate research from BAMS, here