Weird moving light beam in sky sparks wonder in Miami (video)

Miami Beach residents were baffled by a strange beam of light in the sky last week. While it's clearly the headlights of a UFO hidden by clouds, meteorologists have dismissed it as a "crown flash," a rare phenomenon caused by sunlight reflecting off ice crystals that have been realigned by changes in the electric field within the cloud due to lightning.

thumbnail featured image: fran_kie/Shutterstock