UK weather: Britain braces for chaotic week with snow, wind, rain and... warmer temperatures
The mercury could plunge to as low as -5C
Britain set for 'thundersnow' phenomenon as freezing Arctic winds batter nation
The rare weather event occurs around 10 times a year globally
Arctic cold snap to plunge Britain as low as -10C with ice and snow to give 'first taste of winter'
Parts of northern Scotland could see lows of minus 10C

































