52ºc, New York
Found a giant self-rolling Snowball in the UK
These rare snowballs are formed in snowy weather with precise combinations of snow, ice, temperature, humidity and wind.
They are commonly found in some regions of North America.
Self-rolling snowballs are also known as: snow bales, snow rollers and snow donuts.
They get these names from the way they are conceived.
January 2010 in the UK was a very heavy snow season, and this caused these enormous bales of snow to appear in the UK.
Ron Trevett and his wife Aileen were bringing dogs closer to their home in Yeovil in Somerset.
They sought to photograph these rare natural structures.
“We saw them from afar on the slopes and we thought some kids were playing on it and making giant snowballs, but when we got up there we saw no footprints and
Over time, the snowballs get too heavy and large for the wind to move, or they get caught up in different layers of soil.
The snow sails are usually hollow;
Formations can easily penetrate if the temperature or wind changes slightly.
Frank Barrow - a professor of meteorology, explains that coils can only form under certain strange specific conditions:
