I would have never know this was a radial wave. i live in Rhode Island. We get quite a bit of snow here too. The streetlights usually melt off the snow though.
LOL, I think my sister removed the large mogel base edison adapter I gave her, and did not have a large lamp to put in it yet. She has since put a large base lamp back to work.
I like those huge mogul base incandescents. Jamestown, RI still has lots of incandescent lights left. The oldest light in my collection is a 1950's Westinghouse OV-10