A week after Easter in 1985 my family and I, all of whom were living in London at the time, rented a caravan in Southgate for the week. The family consisted of wife Chris, daughter Linda, boyfriend Stuart, son John and girlfriend Michelle. Daughter Jackie was elsewhere at the time.
One day we decided to take a walk out onto the Worm accompanied by dogs Sheba and Gemma. We checked the causeway times in the Evening Post and duly set off. A cold front had passed through during the night and there was the usual post front situation with scattered cumulus clouds but little or no wind and quite cold. All went well until we got to the very top of the Outer Head. We had to give the dogs a lift up the last scramble and we settled down to enjoy the view and the cans of Felinfoel Double Dragon that John had thoughtfully brought along. All of a sudden Linda shouted "Mum there's a bee in my hair". To which my ever tactful reply was " Don't be stupid Linda, there are no bees out here at this time of year - it's too cold".
Then, much to our astonishment, our hair suddenly stood on end. Except for Stuart,that is, who has thick curly hair. Out came the cameras and the event was recorded for posterity. Then it started to snow - the like of which no one had seen before. The snowflakes were like round balls of snow rather than the flat variety that you usually see. After a couple of minutes our hair got wet and it gradually subsided into its normal sort of tangle. We scratched our heads as to the cause of this phenomenon and started to make our way back. Halfway across the Causeway the same thing happened again. This time it did not snow and our hair was standing out for around 5 minutes before it returned to normal. We then completed the crossing and adjured for a well earned pint in the Worms Head Hotel.
What caused this happening? It is well known that a post front weather situation often gives rise to isolated cumulo-nimbus or small thunder clouds. Although we had not had a hint of thunder, it was obviously the electrostatic field under a cu-nim that had caused the hair business. Furthermore the up and down circulatory air currents in cu-nims that cause hailstones to grow also caused the snowflakes to accrete into mini snowballs.
It was all fairly explicable but at the time it was decidedly spooky. See the photographic evidence. John on the left, then Linda, Bill and Michelle.