Under certain atmospheric conditions, weather radar's beam can be bent back to the earth's surface (superrefraction). For a time this evening, it appeared the radar near Dover, DE was detecting traffic on the Chesapeake Bay Bridge!

Science background: https://t.co/HhFBfblvUo pic.twitter.com/Vxxr3TZoul

— NWS Baltimore-Washington (@NWS_BaltWash) October 12, 2022