Some WRAL viewers had trouble watching the channel yesterday morning and wondered what was happening. WRAL’s crack team of meteorologists checked into the issue and found a strong temperature inversion to be the culprit. Nate Johnson describes the phenomenon in the station’s WeatherCenter blog.

I worked extensively with radio while in the Navy. Once I was blown away when I tuned in San Francisco FM radio stations from 800 miles away in the Pacific! This phenomenon still fascinates me, if you couldn’t tell!