I will not go into a full description of how Doppler radar works, but I did want to point out a series of screen captures I pulled a few days ago.
There were severe storms over southeastern New Mexico. These storms were located near the KHDX radar site near White Sands. Here is the image from the KHDX radar site.
Hey, wait a minute! There’s no storms in southeastern New Mexico.
However, if we check the KFDX radar near Clovis, much farther from the storms, we see:
What is happening between these two images? Well, the KHDX radar beam is launching at a low angle relative to the surface, only to be absorbed into the mountain range just east of the site. Therefore, it CANNOT see over the mountain! The National Weather Service is aware of this blindspot, and many others like it, and so the combination of radar images is used to issue warnings.
Also, notice how the mountain range is green on one side and brown on the other? That will be a topic for another post!
Thank you for reading my post!