What counts as a white Christmas - and how likely is one this year?
The Met Office definition of a white Christmas is for one snowflake to be officially observed falling in the 24 hours of 25 December at one of their sites in the UK.
The Met Office definition of a white Christmas is for one snowflake to be officially observed falling in the 24 hours of 25 December at one of their sites in the UK.
What counts as a white Christmas - and how likely is one this year?
The Met Office definition of a white Christmas is for one snowflake to be officially observed falling in the 24 hours of 25 December at one of their sites in the UK.