The Met Office takes a weekly look at the science behind the UK and global weather headlines.

This week, heavy snow sweeps across parts of the USA, new ways of assessing global temperature and rain set to arrive in UK.

The Met Office is the United Kingdom's national weather service. Our website carries the latest UK and global weather forecasts, detailed information on weather types, climate science and UK weather records for previous months, seasons and years.

www.metoffice.gov.uk