By Susie Beever The Met Office has issued a yellow weather warning as snow is set to hit parts of the UK in a 12-hour window later this week. Brits in Scotland will see an influx of the white stuff this week as temperatures take a wintry turn. Meteorologists at the Met Office have forecast the mercury to plummet below zero in some parts, with a yellow alert for snow and rain now issued. The warning, which comes into force at midnight on Tuesday morning lasting until midday, covers a huge patch of Scotland, including Aberdeenshire and Inverness and the Highlands. Experts have warned of disrupti…