Weather Feed Information

Where is the weather layer coming from? I know the layer is comprised of weather radar feeds- but without a legend or key- it hard to make sense of. I like the layer though.

It’s the current (scheduled flights, flights in the air) or midpoint of flight (completed flights) composite (I think… might be base) NEXRAD. It’s really more for casual observation than technical weather analysis so we don’t worry about the scale.