Welsh UFO sightings from 1937. For sightings from other years please click HERE.
July, c. 17:30
Two men were driving near Llangollen during a thunderstorm. The rain had almost ceased when they stopped in traffic, only to see a light yellow spherical object 'about 20cm in diameter with an indistinct outline'. It rolled slowly down the roofs of some buildings until it met the gutter. 'It then turned through 90 degrees to roll along the gutter until it touched an ornamental spike, disappearing with a bright flash which was accompanied with a clap of thunder. The incident lasted about 20 s, and the phenomenon was about l0 m from the witnesses.'
BUFORA Journal V7/N3, October 1978, ran a feature on ball lightning which highlighted this case with a diagram: